diff --git a/app/controllers/antennas_controller.rb b/app/controllers/antennas_controller.rb
new file mode 100644
index 0000000000..b7639d0e27
--- /dev/null
+++ b/app/controllers/antennas_controller.rb
@@ -0,0 +1,76 @@
+# frozen_string_literal: true
+
+class AntennasController < ApplicationController
+  layout 'admin'
+
+  before_action :authenticate_user!
+  before_action :set_antenna, only: [:edit, :update, :destroy]
+  before_action :set_lists, only: [:new, :edit]
+  before_action :set_body_classes
+  before_action :set_cache_headers
+
+  def index
+    @antennas = current_account.antennas.includes(:antenna_domains).includes(:antenna_tags).includes(:antenna_accounts)
+  end
+
+  def new
+    @antenna = current_account.antennas.build
+    @antenna.antenna_domains.build
+    @antenna.antenna_tags.build
+    @antenna.antenna_accounts.build
+  end
+
+  def create
+    @antenna = current_account.antennas.build(thin_resource_params)
+
+    saved = @antenna.save
+    saved = @antenna.update(resource_params) if saved
+
+    if saved
+      redirect_to antennas_path
+    else
+      render action: :new
+    end
+  end
+
+  def edit; end
+
+  def update
+    if @antenna.update(resource_params)
+      redirect_to antennas_path
+    else
+      render action: :edit
+    end
+  end
+
+  def destroy
+    @antenna.destroy
+    redirect_to antennas_path
+  end
+
+  private
+
+  def set_antenna
+    @antenna = current_account.antennas.find(params[:id])
+  end
+
+  def set_lists
+    @lists = current_account.owned_lists
+  end
+
+  def resource_params
+    params.require(:antenna).permit(:title, :list, :available, :expires_in, :keywords_raw, :exclude_keywords_raw, :domains_raw, :exclude_domains_raw, :accounts_raw, :exclude_accounts_raw, :tags_raw, :exclude_tags_raw)
+  end
+
+  def thin_resource_params
+    params.require(:antenna).permit(:title, :list)
+  end
+
+  def set_body_classes
+    @body_classes = 'admin'
+  end
+
+  def set_cache_headers
+    response.cache_control.replace(private: true, no_store: true)
+  end
+end
diff --git a/app/controllers/api/v1/accounts/antennas_controller.rb b/app/controllers/api/v1/accounts/antennas_controller.rb
new file mode 100644
index 0000000000..957a4fb555
--- /dev/null
+++ b/app/controllers/api/v1/accounts/antennas_controller.rb
@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+class Api::V1::Accounts::AntennasController < Api::BaseController
+  before_action -> { doorkeeper_authorize! :read, :'read:lists' }
+  before_action :require_user!
+  before_action :set_account
+
+  def index
+    @antennas = @account.suspended? ? [] : @account.joined_antennas.where(account: current_account)
+    render json: @antennas, each_serializer: REST::AntennaSerializer
+  end
+
+  private
+
+  def set_account
+    @account = Account.find(params[:account_id])
+  end
+end
diff --git a/app/controllers/api/v1/accounts/credentials_controller.rb b/app/controllers/api/v1/accounts/credentials_controller.rb
index 43d91a4ed6..f26389f41c 100644
--- a/app/controllers/api/v1/accounts/credentials_controller.rb
+++ b/app/controllers/api/v1/accounts/credentials_controller.rb
@@ -30,6 +30,7 @@ class Api::V1::Accounts::CredentialsController < Api::BaseController
       :bot,
       :discoverable,
       :searchability,
+      :dissubscribable,
       :hide_collections,
       fields_attributes: [:name, :value]
     )
diff --git a/app/controllers/api/v1/antennas/accounts_controller.rb b/app/controllers/api/v1/antennas/accounts_controller.rb
new file mode 100644
index 0000000000..d7e6fad895
--- /dev/null
+++ b/app/controllers/api/v1/antennas/accounts_controller.rb
@@ -0,0 +1,82 @@
+# frozen_string_literal: true
+
+class Api::V1::Antennas::AccountsController < Api::BaseController
+  before_action -> { doorkeeper_authorize! :read, :'read:lists' }, only: [:show]
+  before_action -> { doorkeeper_authorize! :write, :'write:lists' }, except: [:show]
+
+  before_action :require_user!
+  before_action :set_antenna
+
+  after_action :insert_pagination_headers, only: :show
+
+  def create
+    ApplicationRecord.transaction do
+      antenna_accounts.each do |account|
+        @antenna.antenna_accounts.create!(account: account, exclude: false)
+        @antenna.update!(any_accounts: false)
+      end
+    end
+
+    render_empty
+  end
+
+  def destroy
+    AntennaAccount.where(antenna: @antenna, account_id: account_ids).destroy_all
+    @antenna.update!(any_accounts: true) if !@antenna.antenna_accounts.where(exclude: false).any?
+    render_empty
+  end
+
+  private
+
+  def set_antenna
+    @antenna = Antenna.where(account: current_account).find(params[:antenna_id])
+  end
+
+  def antenna_accounts
+    Account.find(account_ids)
+  end
+
+  def account_ids
+    Array(resource_params[:account_ids])
+  end
+
+  def resource_params
+    params.permit(account_ids: [])
+  end
+
+  def insert_pagination_headers
+    set_pagination_headers(next_path, prev_path)
+  end
+
+  def next_path
+    return if unlimited?
+
+    api_v1_list_accounts_url pagination_params(max_id: pagination_max_id) if records_continue?
+  end
+
+  def prev_path
+    return if unlimited?
+
+    api_v1_list_accounts_url pagination_params(since_id: pagination_since_id) unless @accounts.empty?
+  end
+
+  def pagination_max_id
+    @accounts.last.id
+  end
+
+  def pagination_since_id
+    @accounts.first.id
+  end
+
+  def records_continue?
+    @accounts.size == limit_param(DEFAULT_ACCOUNTS_LIMIT)
+  end
+
+  def pagination_params(core_params)
+    params.slice(:limit).permit(:limit).merge(core_params)
+  end
+
+  def unlimited?
+    params[:limit] == '0'
+  end
+end
diff --git a/app/controllers/api/v1/antennas_controller.rb b/app/controllers/api/v1/antennas_controller.rb
new file mode 100644
index 0000000000..2e47af4a44
--- /dev/null
+++ b/app/controllers/api/v1/antennas_controller.rb
@@ -0,0 +1,28 @@
+# frozen_string_literal: true
+
+class Api::V1::AntennasController < Api::BaseController
+  before_action -> { doorkeeper_authorize! :read, :'read:lists' }, only: [:index, :show]
+  before_action -> { doorkeeper_authorize! :write, :'write:lists' }, except: [:index, :show]
+
+  before_action :require_user!
+  before_action :set_antenna, except: [:index]
+
+  rescue_from ArgumentError do |e|
+    render json: { error: e.to_s }, status: 422
+  end
+
+  def index
+    @antennas = Antenna.where(account: current_account).all
+    render json: @antennas, each_serializer: REST::AntennaSerializer
+  end
+
+  def show
+    render json: @antenna, serializer: REST::AntennaSerializer
+  end
+
+  private
+
+  def set_antenna
+    @antenna = Antenna.where(account: current_account).find(params[:id])
+  end
+end
diff --git a/app/controllers/settings/profiles_controller.rb b/app/controllers/settings/profiles_controller.rb
index d743518fca..030c3765c2 100644
--- a/app/controllers/settings/profiles_controller.rb
+++ b/app/controllers/settings/profiles_controller.rb
@@ -20,7 +20,7 @@ class Settings::ProfilesController < Settings::BaseController
   private
 
   def account_params
-    params.require(:account).permit(:display_name, :note, :avatar, :header, :locked, :my_actor_type, :searchability, :group_allow_private_message, :discoverable, :hide_collections, fields_attributes: [:name, :value])
+    params.require(:account).permit(:display_name, :note, :avatar, :header, :locked, :my_actor_type, :searchability, :dissubscribable, :group_allow_private_message, :discoverable, :hide_collections, fields_attributes: [:name, :value])
   end
 
   def set_account
diff --git a/app/helpers/context_helper.rb b/app/helpers/context_helper.rb
index 18c6c7916a..81e0064f03 100644
--- a/app/helpers/context_helper.rb
+++ b/app/helpers/context_helper.rb
@@ -23,6 +23,7 @@ module ContextHelper
     voters_count: { 'toot' => 'http://joinmastodon.org/ns#', 'votersCount' => 'toot:votersCount' },
     emoji_reactions: { 'fedibird' => 'http://fedibird.com/ns#', 'emojiReactions' => { '@id' => "fedibird:emojiReactions", '@type' => '@id' } },
     searchable_by: { 'fedibird' => 'http://fedibird.com/ns#', 'searchableBy' => { '@id' => "fedibird:searchableBy", '@type' => '@id' } },
+    subscribable_by: { 'kmyblue' => 'http://kmy.blue/ns#', 'subscribableBy' => { '@id' => "kmyblue:subscribableBy", '@type' => '@id' } },
     olm: { 'toot' => 'http://joinmastodon.org/ns#', 'Device' => 'toot:Device', 'Ed25519Signature' => 'toot:Ed25519Signature', 'Ed25519Key' => 'toot:Ed25519Key', 'Curve25519Key' => 'toot:Curve25519Key', 'EncryptedMessage' => 'toot:EncryptedMessage', 'publicKeyBase64' => 'toot:publicKeyBase64', 'deviceId' => 'toot:deviceId', 'claim' => { '@type' => '@id', '@id' => 'toot:claim' }, 'fingerprintKey' => { '@type' => '@id', '@id' => 'toot:fingerprintKey' }, 'identityKey' => { '@type' => '@id', '@id' => 'toot:identityKey' }, 'devices' => { '@type' => '@id', '@id' => 'toot:devices' }, 'messageFranking' => 'toot:messageFranking', 'messageType' => 'toot:messageType', 'cipherText' => 'toot:cipherText' },
     suspended: { 'toot' => 'http://joinmastodon.org/ns#', 'suspended' => 'toot:suspended' },
   }.freeze
diff --git a/app/javascript/mastodon/actions/antennas.js b/app/javascript/mastodon/actions/antennas.js
new file mode 100644
index 0000000000..31b612e12e
--- /dev/null
+++ b/app/javascript/mastodon/actions/antennas.js
@@ -0,0 +1,179 @@
+import api from '../api';
+import { importFetchedAccounts } from './importer';
+
+export const ANTENNAS_FETCH_REQUEST = 'ANTENNAS_FETCH_REQUEST';
+export const ANTENNAS_FETCH_SUCCESS = 'ANTENNAS_FETCH_SUCCESS';
+export const ANTENNAS_FETCH_FAIL    = 'ANTENNAS_FETCH_FAIL';
+
+export const ANTENNA_ACCOUNTS_FETCH_REQUEST = 'ANTENNA_ACCOUNTS_FETCH_REQUEST';
+export const ANTENNA_ACCOUNTS_FETCH_SUCCESS = 'ANTENNA_ACCOUNTS_FETCH_SUCCESS';
+export const ANTENNA_ACCOUNTS_FETCH_FAIL    = 'ANTENNA_ACCOUNTS_FETCH_FAIL';
+
+export const ANTENNA_EDITOR_ADD_ACCOUNT_REQUEST = 'ANTENNA_EDITOR_ADD_ACCOUNT_REQUEST';
+export const ANTENNA_EDITOR_ADD_ACCOUNT_SUCCESS = 'ANTENNA_EDITOR_ADD_ACCOUNT_SUCCESS';
+export const ANTENNA_EDITOR_ADD_ACCOUNT_FAIL    = 'ANTENNA_EDITOR_ADD_ACCOUNT_FAIL';
+
+export const ANTENNA_EDITOR_REMOVE_ACCOUNT_REQUEST = 'ANTENNA_EDITOR_REMOVE_ACCOUNT_REQUEST';
+export const ANTENNA_EDITOR_REMOVE_ACCOUNT_SUCCESS = 'ANTENNA_EDITOR_REMOVE_ACCOUNT_SUCCESS';
+export const ANTENNA_EDITOR_REMOVE_ACCOUNT_FAIL    = 'ANTENNA_EDITOR_REMOVE_ACCOUNT_FAIL';
+
+export const ANTENNA_ADDER_ANTENNAS_FETCH_REQUEST = 'ANTENNA_ADDER_ANTENNAS_FETCH_REQUEST';
+export const ANTENNA_ADDER_ANTENNAS_FETCH_SUCCESS = 'ANTENNA_ADDER_ANTENNAS_FETCH_SUCCESS';
+export const ANTENNA_ADDER_ANTENNAS_FETCH_FAIL    = 'ANTENNA_ADDER_ANTENNAS_FETCH_FAIL';
+
+export const ANTENNA_ADDER_RESET = 'ANTENNA_ADDER_RESET';
+export const ANTENNA_ADDER_SETUP = 'ANTENNA_ADDER_SETUP';
+
+export const fetchAntennas = () => (dispatch, getState) => {
+  dispatch(fetchAntennasRequest());
+
+  api(getState).get('/api/v1/antennas')
+    .then(({ data }) => dispatch(fetchAntennasSuccess(data)))
+    .catch(err => dispatch(fetchAntennasFail(err)));
+};
+
+export const fetchAntennasRequest = () => ({
+  type: ANTENNAS_FETCH_REQUEST,
+});
+
+export const fetchAntennasSuccess = antennas => ({
+  type: ANTENNAS_FETCH_SUCCESS,
+  antennas,
+});
+
+export const fetchAntennasFail = error => ({
+  type: ANTENNAS_FETCH_FAIL,
+  error,
+});
+
+export const fetchAntennaAccounts = antennaId => (dispatch, getState) => {
+  dispatch(fetchAntennaAccountsRequest(antennaId));
+
+  api(getState).get(`/api/v1/antennas/${antennaId}/accounts`, { params: { limit: 0 } }).then(({ data }) => {
+    dispatch(importFetchedAccounts(data));
+    dispatch(fetchAntennaAccountsSuccess(antennaId, data));
+  }).catch(err => dispatch(fetchAntennaAccountsFail(antennaId, err)));
+};
+
+export const fetchAntennaAccountsRequest = id => ({
+  type: ANTENNA_ACCOUNTS_FETCH_REQUEST,
+  id,
+});
+
+export const fetchAntennaAccountsSuccess = (id, accounts, next) => ({
+  type: ANTENNA_ACCOUNTS_FETCH_SUCCESS,
+  id,
+  accounts,
+  next,
+});
+
+export const fetchAntennaAccountsFail = (id, error) => ({
+  type: ANTENNA_ACCOUNTS_FETCH_FAIL,
+  id,
+  error,
+});
+
+export const addAccountToAntenna = (antennaId, accountId) => (dispatch, getState) => {
+  dispatch(addAccountToAntennaRequest(antennaId, accountId));
+
+  api(getState).post(`/api/v1/antennas/${antennaId}/accounts`, { account_ids: [accountId] })
+    .then(() => dispatch(addAccountToAntennaSuccess(antennaId, accountId)))
+    .catch(err => dispatch(addAccountToAntennaFail(antennaId, accountId, err)));
+};
+
+export const addAccountToAntennaRequest = (antennaId, accountId) => ({
+  type: ANTENNA_EDITOR_ADD_ACCOUNT_REQUEST,
+  antennaId,
+  accountId,
+});
+
+export const addAccountToAntennaSuccess = (antennaId, accountId) => ({
+  type: ANTENNA_EDITOR_ADD_ACCOUNT_SUCCESS,
+  antennaId,
+  accountId,
+});
+
+export const addAntennaToAntennaFail = (antennaId, accountId, error) => ({
+  type: ANTENNA_EDITOR_ADD_ACCOUNT_FAIL,
+  antennaId,
+  accountId,
+  error,
+});
+
+export const removeAccountFromAntennaEditor = accountId => (dispatch, getState) => {
+  dispatch(removeAccountFromAntenna(getState().getIn(['antennaEditor', 'antennaId']), accountId));
+};
+
+export const removeAccountFromAntenna = (antennaId, accountId) => (dispatch, getState) => {
+  dispatch(removeAccountFromAntennaRequest(antennaId, accountId));
+
+  api(getState).delete(`/api/v1/antennas/${antennaId}/accounts`, { params: { account_ids: [accountId] } })
+    .then(() => dispatch(removeAccountFromAntennaSuccess(antennaId, accountId)))
+    .catch(err => dispatch(removeAccountFromAntennaFail(antennaId, accountId, err)));
+};
+
+export const removeAccountFromAntennaRequest = (antennaId, accountId) => ({
+  type: ANTENNA_EDITOR_REMOVE_ACCOUNT_REQUEST,
+  antennaId,
+  accountId,
+});
+
+export const removeAccountFromAntennaSuccess = (antennaId, accountId) => ({
+  type: ANTENNA_EDITOR_REMOVE_ACCOUNT_SUCCESS,
+  antennaId,
+  accountId,
+});
+
+export const removeAccountFromAntennaFail = (antennaId, accountId, error) => ({
+  type: ANTENNA_EDITOR_REMOVE_ACCOUNT_FAIL,
+  antennaId,
+  accountId,
+  error,
+});
+
+export const addToAntennaAdder = antennaId => (dispatch, getState) => {
+  dispatch(addAccountToAntenna(antennaId, getState().getIn(['antennaAdder', 'accountId'])));
+};
+
+export const removeFromAntennaAdder = antennaId => (dispatch, getState) => {
+  dispatch(removeAccountFromAntenna(antennaId, getState().getIn(['antennaAdder', 'accountId'])));
+};
+
+export const fetchAccountAntennas = accountId => (dispatch, getState) => {
+  dispatch(fetchAccountAntennasRequest(accountId));
+
+  api(getState).get(`/api/v1/accounts/${accountId}/antennas`)
+    .then(({ data }) => dispatch(fetchAccountAntennasSuccess(accountId, data)))
+    .catch(err => dispatch(fetchAccountAntennasFail(accountId, err)));
+};
+
+export const fetchAccountAntennasRequest = id => ({
+  type: ANTENNA_ADDER_ANTENNAS_FETCH_REQUEST,
+  id,
+});
+
+export const fetchAccountAntennasSuccess = (id, antennas) => ({
+  type: ANTENNA_ADDER_ANTENNAS_FETCH_SUCCESS,
+  id,
+  antennas,
+});
+
+export const fetchAccountAntennasFail = (id, err) => ({
+  type: ANTENNA_ADDER_ANTENNAS_FETCH_FAIL,
+  id,
+  err,
+});
+
+export const resetAntennaAdder = () => ({
+  type: ANTENNA_ADDER_RESET,
+});
+
+export const setupAntennaAdder = accountId => (dispatch, getState) => {
+  dispatch({
+    type: ANTENNA_ADDER_SETUP,
+    account: getState().getIn(['accounts', accountId]),
+  });
+  dispatch(fetchAntennas());
+  dispatch(fetchAccountAntennas(accountId));
+};
+
diff --git a/app/javascript/mastodon/actions/importer/normalizer.js b/app/javascript/mastodon/actions/importer/normalizer.js
index 69d6bf03da..b030c94b31 100644
--- a/app/javascript/mastodon/actions/importer/normalizer.js
+++ b/app/javascript/mastodon/actions/importer/normalizer.js
@@ -70,10 +70,6 @@ export function normalizeStatus(status, normalOldStatus) {
     normalStatus.emoji_reactions = normalizeEmojiReactions(status.emoji_reactions);
   }
 
-  if (status.media_attachments_ex) {
-    normalStatus.media_attachments = status.media_attachments.concat(status.media_attachments_ex);
-  }
-
   if (!status.visibility_ex) {
     normalStatus.visibility_ex = status.visibility;
   }
diff --git a/app/javascript/mastodon/features/account/components/header.jsx b/app/javascript/mastodon/features/account/components/header.jsx
index 72eb7e6b65..548a0b4d16 100644
--- a/app/javascript/mastodon/features/account/components/header.jsx
+++ b/app/javascript/mastodon/features/account/components/header.jsx
@@ -53,6 +53,7 @@ const messages = defineMessages({
   endorse: { id: 'account.endorse', defaultMessage: 'Feature on profile' },
   unendorse: { id: 'account.unendorse', defaultMessage: 'Don\'t feature on profile' },
   add_or_remove_from_list: { id: 'account.add_or_remove_from_list', defaultMessage: 'Add or Remove from lists' },
+  add_or_remove_from_antenna: { id: 'account.add_or_remove_from_antenna', defaultMessage: 'Add or Remove from antennas' },
   admin_account: { id: 'status.admin_account', defaultMessage: 'Open moderation interface for @{name}' },
   admin_domain: { id: 'status.admin_domain', defaultMessage: 'Open moderation interface for {domain}' },
   languages: { id: 'account.languages', defaultMessage: 'Change subscribed languages' },
@@ -97,6 +98,7 @@ class Header extends ImmutablePureComponent {
     onUnblockDomain: PropTypes.func.isRequired,
     onEndorseToggle: PropTypes.func.isRequired,
     onAddToList: PropTypes.func.isRequired,
+    onAddToAntenna: PropTypes.func.isRequired,
     onEditAccountNote: PropTypes.func.isRequired,
     onChangeLanguages: PropTypes.func.isRequired,
     onInteractionModal: PropTypes.func.isRequired,
@@ -262,8 +264,9 @@ class Header extends ImmutablePureComponent {
 
         menu.push({ text: intl.formatMessage(account.getIn(['relationship', 'endorsed']) ? messages.unendorse : messages.endorse), action: this.props.onEndorseToggle });
         menu.push({ text: intl.formatMessage(messages.add_or_remove_from_list), action: this.props.onAddToList });
-        menu.push(null);
       }
+      menu.push({ text: intl.formatMessage(messages.add_or_remove_from_antenna), action: this.props.onAddToAntenna });
+      menu.push(null);
 
       if (account.getIn(['relationship', 'muting'])) {
         menu.push({ text: intl.formatMessage(messages.unmute, { name: account.get('username') }), action: this.props.onMute });
diff --git a/app/javascript/mastodon/features/account_timeline/components/header.jsx b/app/javascript/mastodon/features/account_timeline/components/header.jsx
index c008f0342d..667c5c21c7 100644
--- a/app/javascript/mastodon/features/account_timeline/components/header.jsx
+++ b/app/javascript/mastodon/features/account_timeline/components/header.jsx
@@ -23,6 +23,7 @@ export default class Header extends ImmutablePureComponent {
     onUnblockDomain: PropTypes.func.isRequired,
     onEndorseToggle: PropTypes.func.isRequired,
     onAddToList: PropTypes.func.isRequired,
+    onAddToAntenna: PropTypes.func.isRequired,
     onChangeLanguages: PropTypes.func.isRequired,
     onInteractionModal: PropTypes.func.isRequired,
     onOpenAvatar: PropTypes.func.isRequired,
@@ -91,6 +92,10 @@ export default class Header extends ImmutablePureComponent {
     this.props.onAddToList(this.props.account);
   };
 
+  handleAddToAntenna = () => {
+    this.props.onAddToAntenna(this.props.account);
+  };
+
   handleEditAccountNote = () => {
     this.props.onEditAccountNote(this.props.account);
   };
@@ -133,6 +138,7 @@ export default class Header extends ImmutablePureComponent {
           onUnblockDomain={this.handleUnblockDomain}
           onEndorseToggle={this.handleEndorseToggle}
           onAddToList={this.handleAddToList}
+          onAddToAntenna={this.handleAddToAntenna}
           onEditAccountNote={this.handleEditAccountNote}
           onChangeLanguages={this.handleChangeLanguages}
           onInteractionModal={this.handleInteractionModal}
diff --git a/app/javascript/mastodon/features/account_timeline/containers/header_container.jsx b/app/javascript/mastodon/features/account_timeline/containers/header_container.jsx
index f53cd24807..ad35adeda7 100644
--- a/app/javascript/mastodon/features/account_timeline/containers/header_container.jsx
+++ b/app/javascript/mastodon/features/account_timeline/containers/header_container.jsx
@@ -146,6 +146,12 @@ const mapDispatchToProps = (dispatch, { intl }) => ({
     }));
   },
 
+  onAddToAntenna (account) {
+    dispatch(openModal('ANTENNA_ADDER', {
+      accountId: account.get('id'),
+    }));
+  },
+
   onChangeLanguages (account) {
     dispatch(openModal('SUBSCRIBED_LANGUAGES', {
       accountId: account.get('id'),
diff --git a/app/javascript/mastodon/features/antenna_adder/components/account.jsx b/app/javascript/mastodon/features/antenna_adder/components/account.jsx
new file mode 100644
index 0000000000..1369aac074
--- /dev/null
+++ b/app/javascript/mastodon/features/antenna_adder/components/account.jsx
@@ -0,0 +1,43 @@
+import React from 'react';
+import { connect } from 'react-redux';
+import { makeGetAccount } from '../../../selectors';
+import ImmutablePureComponent from 'react-immutable-pure-component';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import Avatar from '../../../components/avatar';
+import DisplayName from '../../../components/display_name';
+import { injectIntl } from 'react-intl';
+
+const makeMapStateToProps = () => {
+  const getAccount = makeGetAccount();
+
+  const mapStateToProps = (state, { accountId }) => ({
+    account: getAccount(state, accountId),
+  });
+
+  return mapStateToProps;
+};
+
+
+export default @connect(makeMapStateToProps)
+@injectIntl
+class Account extends ImmutablePureComponent {
+
+  static propTypes = {
+    account: ImmutablePropTypes.map.isRequired,
+  };
+
+  render () {
+    const { account } = this.props;
+    return (
+      <div className='account'>
+        <div className='account__wrapper'>
+          <div className='account__display-name'>
+            <div className='account__avatar-wrapper'><Avatar account={account} size={36} /></div>
+            <DisplayName account={account} />
+          </div>
+        </div>
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/mastodon/features/antenna_adder/components/antenna.jsx b/app/javascript/mastodon/features/antenna_adder/components/antenna.jsx
new file mode 100644
index 0000000000..28d5a3c161
--- /dev/null
+++ b/app/javascript/mastodon/features/antenna_adder/components/antenna.jsx
@@ -0,0 +1,69 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import { connect } from 'react-redux';
+import ImmutablePureComponent from 'react-immutable-pure-component';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import IconButton from '../../../components/icon_button';
+import { defineMessages, injectIntl } from 'react-intl';
+import { removeFromAntennaAdder, addToAntennaAdder } from '../../../actions/antennas';
+import Icon from 'mastodon/components/icon';
+
+const messages = defineMessages({
+  remove: { id: 'lists.account.remove', defaultMessage: 'Remove from list' },
+  add: { id: 'lists.account.add', defaultMessage: 'Add to list' },
+});
+
+const MapStateToProps = (state, { antennaId, added }) => ({
+  antenna: state.get('antennas').get(antennaId),
+  added: typeof added === 'undefined' ? state.getIn(['antennaAdder', 'antennas', 'items']).includes(antennaId) : added,
+});
+
+const mapDispatchToProps = (dispatch, { antennaId }) => ({
+  onRemove: () => dispatch(removeFromAntennaAdder(antennaId)),
+  onAdd: () => dispatch(addToAntennaAdder(antennaId)),
+});
+
+export default @connect(MapStateToProps, mapDispatchToProps)
+@injectIntl
+class Antenna extends ImmutablePureComponent {
+
+  static propTypes = {
+    antenna: ImmutablePropTypes.map.isRequired,
+    intl: PropTypes.object.isRequired,
+    onRemove: PropTypes.func.isRequired,
+    onAdd: PropTypes.func.isRequired,
+    added: PropTypes.bool,
+  };
+
+  static defaultProps = {
+    added: false,
+  };
+
+  render () {
+    const { antenna, intl, onRemove, onAdd, added } = this.props;
+
+    let button;
+
+    if (added) {
+      button = <IconButton icon='times' title={intl.formatMessage(messages.remove)} onClick={onRemove} />;
+    } else {
+      button = <IconButton icon='plus' title={intl.formatMessage(messages.add)} onClick={onAdd} />;
+    }
+
+    return (
+      <div className='list'>
+        <div className='list__wrapper'>
+          <div className='list__display-name'>
+            <Icon id='wifi' className='column-link__icon' fixedWidth />
+            {antenna.get('title')}
+          </div>
+
+          <div className='account__relationship'>
+            {button}
+          </div>
+        </div>
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/mastodon/features/antenna_adder/index.jsx b/app/javascript/mastodon/features/antenna_adder/index.jsx
new file mode 100644
index 0000000000..2834689c3c
--- /dev/null
+++ b/app/javascript/mastodon/features/antenna_adder/index.jsx
@@ -0,0 +1,69 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import { connect } from 'react-redux';
+import ImmutablePureComponent from 'react-immutable-pure-component';
+import { injectIntl } from 'react-intl';
+import { setupAntennaAdder, resetAntennaAdder } from '../../actions/antennas';
+import { createSelector } from 'reselect';
+import Antenna from './components/antenna';
+import Account from './components/account';
+// hack
+
+const getOrderedAntennas = createSelector([state => state.get('antennas')], antennas => {
+  if (!antennas) {
+    return antennas;
+  }
+
+  return antennas.toList().filter(item => !!item).sort((a, b) => a.get('title').localeCompare(b.get('title')));
+});
+
+const mapStateToProps = state => ({
+  antennaIds: getOrderedAntennas(state).map(antenna=>antenna.get('id')),
+});
+
+const mapDispatchToProps = dispatch => ({
+  onInitialize: accountId => dispatch(setupAntennaAdder(accountId)),
+  onReset: () => dispatch(resetAntennaAdder()),
+});
+
+export default @connect(mapStateToProps, mapDispatchToProps)
+@injectIntl
+class AntennaAdder extends ImmutablePureComponent {
+
+  static propTypes = {
+    accountId: PropTypes.string.isRequired,
+    onClose: PropTypes.func.isRequired,
+    intl: PropTypes.object.isRequired,
+    onInitialize: PropTypes.func.isRequired,
+    onReset: PropTypes.func.isRequired,
+    antennaIds: ImmutablePropTypes.list.isRequired,
+  };
+
+  componentDidMount () {
+    const { onInitialize, accountId } = this.props;
+    onInitialize(accountId);
+  }
+
+  componentWillUnmount () {
+    const { onReset } = this.props;
+    onReset();
+  }
+
+  render () {
+    const { accountId, antennaIds } = this.props;
+
+    return (
+      <div className='modal-root__modal list-adder'>
+        <div className='list-adder__account'>
+          <Account accountId={accountId} />
+        </div>
+
+        <div className='list-adder__lists'>
+          {antennaIds.map(AntennaId => <Antenna key={AntennaId} antennaId={AntennaId} />)}
+        </div>
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/mastodon/features/ui/components/modal_root.jsx b/app/javascript/mastodon/features/ui/components/modal_root.jsx
index c252e6caac..715803b302 100644
--- a/app/javascript/mastodon/features/ui/components/modal_root.jsx
+++ b/app/javascript/mastodon/features/ui/components/modal_root.jsx
@@ -20,6 +20,7 @@ import {
   EmbedModal,
   ListEditor,
   ListAdder,
+  AntennaAdder,
   CompareHistoryModal,
   FilterModal,
   InteractionModal,
@@ -43,6 +44,7 @@ const MODAL_COMPONENTS = {
   'LIST_EDITOR': ListEditor,
   'FOCAL_POINT': () => Promise.resolve({ default: FocalPointModal }),
   'LIST_ADDER': ListAdder,
+  'ANTENNA_ADDER': AntennaAdder,
   'COMPARE_HISTORY': CompareHistoryModal,
   'FILTER': FilterModal,
   'SUBSCRIBED_LANGUAGES': SubscribedLanguagesModal,
diff --git a/app/javascript/mastodon/features/ui/util/async-components.js b/app/javascript/mastodon/features/ui/util/async-components.js
index 24867962de..3f61f64aca 100644
--- a/app/javascript/mastodon/features/ui/util/async-components.js
+++ b/app/javascript/mastodon/features/ui/util/async-components.js
@@ -146,6 +146,10 @@ export function ListAdder () {
   return import(/*webpackChunkName: "features/list_adder" */'../../list_adder');
 }
 
+export function AntennaAdder () {
+  return import(/*webpackChunkName: "features/antenna_adder" */'../../antenna_adder');
+}
+
 export function Tesseract () {
   return import(/*webpackChunkName: "tesseract" */'tesseract.js');
 }
diff --git a/app/javascript/mastodon/locales/ja.json b/app/javascript/mastodon/locales/ja.json
index 42471c3ec5..7960f9cd19 100644
--- a/app/javascript/mastodon/locales/ja.json
+++ b/app/javascript/mastodon/locales/ja.json
@@ -459,11 +459,11 @@
   "privacy.direct.short": "指定された相手のみ",
   "privacy.private.long": "フォロワーのみ閲覧可",
   "privacy.private.short": "フォロワーのみ",
-  "privacy.public.long": "誰でも閲覧可、全てのTL",
+  "privacy.public.long": "誰でも閲覧可、ﾎｰﾑ＋ﾛｰｶﾙ＋連合TL",
   "privacy.public.short": "公開",
-  "privacy.public_unlisted.long": "誰でも閲覧可、ﾛｰｶﾙ＋ﾎｰﾑTL",
+  "privacy.public_unlisted.long": "誰でも閲覧可、ﾎｰﾑ＋ﾛｰｶﾙTL",
   "privacy.public_unlisted.short": "ローカル公開",
-  "privacy.unlisted.long": "誰でも閲覧可、ホームTL",
+  "privacy.unlisted.long": "誰でも閲覧可、ﾎｰﾑTL",
   "privacy.unlisted.short": "未収載",
   "privacy_policy.last_updated": "{date}に更新",
   "privacy_policy.title": "プライバシーポリシー",
diff --git a/app/javascript/mastodon/reducers/antenna_adder.js b/app/javascript/mastodon/reducers/antenna_adder.js
new file mode 100644
index 0000000000..d3b98d63fd
--- /dev/null
+++ b/app/javascript/mastodon/reducers/antenna_adder.js
@@ -0,0 +1,47 @@
+import { Map as ImmutableMap, List as ImmutableList } from 'immutable';
+import {
+  ANTENNA_ADDER_RESET,
+  ANTENNA_ADDER_SETUP,
+  ANTENNA_ADDER_ANTENNAS_FETCH_REQUEST,
+  ANTENNA_ADDER_ANTENNAS_FETCH_SUCCESS,
+  ANTENNA_ADDER_ANTENNAS_FETCH_FAIL,
+  ANTENNA_EDITOR_ADD_ACCOUNT_SUCCESS,
+  ANTENNA_EDITOR_REMOVE_ACCOUNT_SUCCESS,
+} from '../actions/antennas';
+
+const initialState = ImmutableMap({
+  accountId: null,
+
+  antennas: ImmutableMap({
+    items: ImmutableList(),
+    loaded: false,
+    isLoading: false,
+  }),
+});
+
+export default function antennaAdderReducer(state = initialState, action) {
+  switch(action.type) {
+  case ANTENNA_ADDER_RESET:
+    return initialState;
+  case ANTENNA_ADDER_SETUP:
+    return state.withMutations(map => {
+      map.set('accountId', action.account.get('id'));
+    });
+  case ANTENNA_ADDER_ANTENNAS_FETCH_REQUEST:
+    return state.setIn(['antennas', 'isLoading'], true);
+  case ANTENNA_ADDER_ANTENNAS_FETCH_FAIL:
+    return state.setIn(['antennas', 'isLoading'], false);
+  case ANTENNA_ADDER_ANTENNAS_FETCH_SUCCESS:
+    return state.update('antennas', antennas => antennas.withMutations(map => {
+      map.set('isLoading', false);
+      map.set('loaded', true);
+      map.set('items', ImmutableList(action.antennas.map(item => item.id)));
+    }));
+  case ANTENNA_EDITOR_ADD_ACCOUNT_SUCCESS:
+    return state.updateIn(['antennas', 'items'], antenna => antenna.unshift(action.antennaId));
+  case ANTENNA_EDITOR_REMOVE_ACCOUNT_SUCCESS:
+    return state.updateIn(['antennas', 'items'], antenna => antenna.filterNot(item => item === action.antennaId));
+  default:
+    return state;
+  }
+}
diff --git a/app/javascript/mastodon/reducers/antenna_editor.js b/app/javascript/mastodon/reducers/antenna_editor.js
new file mode 100644
index 0000000000..2219aa7dfc
--- /dev/null
+++ b/app/javascript/mastodon/reducers/antenna_editor.js
@@ -0,0 +1,36 @@
+import { Map as ImmutableMap, List as ImmutableList } from 'immutable';
+import {
+  ANTENNA_ACCOUNTS_FETCH_REQUEST,
+  ANTENNA_ACCOUNTS_FETCH_SUCCESS,
+  ANTENNA_ACCOUNTS_FETCH_FAIL,
+} from '../actions/antennas';
+
+const initialState = ImmutableMap({
+  antennaId: null,
+  isSubmitting: false,
+  isChanged: false,
+  title: '',
+
+  accounts: ImmutableMap({
+    items: ImmutableList(),
+    loaded: false,
+    isLoading: false,
+  }),
+});
+
+export default function antennaEditorReducer(state = initialState, action) {
+  switch(action.type) {
+  case ANTENNA_ACCOUNTS_FETCH_REQUEST:
+    return state.setIn(['accounts', 'isLoading'], true);
+  case ANTENNA_ACCOUNTS_FETCH_FAIL:
+    return state.setIn(['accounts', 'isLoading'], false);
+  case ANTENNA_ACCOUNTS_FETCH_SUCCESS:
+    return state.update('accounts', accounts => accounts.withMutations(map => {
+      map.set('isLoading', false);
+      map.set('loaded', true);
+      map.set('items', ImmutableList(action.accounts.map(item => item.id)));
+    }));
+  default:
+    return state;
+  }
+}
diff --git a/app/javascript/mastodon/reducers/antennas.js b/app/javascript/mastodon/reducers/antennas.js
new file mode 100644
index 0000000000..e20cab981a
--- /dev/null
+++ b/app/javascript/mastodon/reducers/antennas.js
@@ -0,0 +1,25 @@
+import {
+  ANTENNAS_FETCH_SUCCESS,
+} from '../actions/antennas';
+import { Map as ImmutableMap, fromJS } from 'immutable';
+
+const initialState = ImmutableMap();
+
+const normalizeAntenna = (state, antenna) => state.set(antenna.id, fromJS(antenna));
+
+const normalizeAntennas = (state, antennas) => {
+  antennas.forEach(antenna => {
+    state = normalizeAntenna(state, antenna);
+  });
+
+  return state;
+};
+
+export default function antennas(state = initialState, action) {
+  switch(action.type) {
+  case ANTENNAS_FETCH_SUCCESS:
+    return normalizeAntennas(state, action.antennas);
+  default:
+    return state;
+  }
+}
diff --git a/app/javascript/mastodon/reducers/index.js b/app/javascript/mastodon/reducers/index.js
index 69771ad1b3..61fe90a63e 100644
--- a/app/javascript/mastodon/reducers/index.js
+++ b/app/javascript/mastodon/reducers/index.js
@@ -28,6 +28,9 @@ import custom_emojis from './custom_emojis';
 import lists from './lists';
 import listEditor from './list_editor';
 import listAdder from './list_adder';
+import antennas from './antennas';
+import antennaEditor from './antenna_editor';
+import antennaAdder from './antenna_adder';
 import filters from './filters';
 import conversations from './conversations';
 import suggestions from './suggestions';
@@ -74,6 +77,9 @@ const reducers = {
   lists,
   listEditor,
   listAdder,
+  antennas,
+  antennaEditor,
+  antennaAdder,
   filters,
   conversations,
   suggestions,
diff --git a/app/javascript/styles/mastodon/admin.scss b/app/javascript/styles/mastodon/admin.scss
index c92191ea21..1030836fdc 100644
--- a/app/javascript/styles/mastodon/admin.scss
+++ b/app/javascript/styles/mastodon/admin.scss
@@ -1067,6 +1067,13 @@ a.name-tag,
     margin-bottom: 10px;
   }
 
+  .listname {
+    color: $dark-text-color;
+    font-weight: bold;
+    font-size: 14px;
+    margin-left: 16px;
+  }
+
   .expiration {
     font-size: 13px;
   }
diff --git a/app/lib/activitypub/activity/create.rb b/app/lib/activitypub/activity/create.rb
index 7b6b7a7620..ad3c211d81 100644
--- a/app/lib/activitypub/activity/create.rb
+++ b/app/lib/activitypub/activity/create.rb
@@ -449,10 +449,26 @@ class ActivityPub::Activity::Create < ActivityPub::Activity
     end
   end
 
+  SCAN_SEARCHABILITY_RE = /\[searchability:(public|followers|reactors|private)\]/.freeze
+
   def searchability
     searchability = searchability_from_audience
 
-    return nil if searchability.nil?
+    if searchability.nil?
+      note = @account&.note
+      return nil unless note.present?
+
+      searchability_bio = note.scan(SCAN_SEARCHABILITY_RE).first
+      return nil unless searchability_bio
+
+      searchability = searchability_bio[0]
+      return nil if searchability.nil?
+
+      searchability = :public   if searchability == 'public'
+      searchability = :unlisted if searchability == 'followers'
+      searchability = :direct   if searchability == 'private'
+      searchability = :private  if searchability == 'reactors'
+    end
 
     visibility    = visibility_from_audience_with_silence
 
diff --git a/app/lib/activitypub/tag_manager.rb b/app/lib/activitypub/tag_manager.rb
index bd9706fc42..5268b18b91 100644
--- a/app/lib/activitypub/tag_manager.rb
+++ b/app/lib/activitypub/tag_manager.rb
@@ -186,9 +186,13 @@ class ActivityPub::TagManager
     nil
   end
 
+  def subscribable_by(account)
+    account.dissubscribable ? [] :  [COLLECTIONS[:public]]
+  end
+
   def searchable_by(status)
     searchable_by =
-      case status.compute_searchability
+      case status.compute_searchability_activitypub
       when 'public'
         [COLLECTIONS[:public]]
       when 'unlisted'  # Followers only in kmyblue (generics: private)
diff --git a/app/models/account.rb b/app/models/account.rb
index 75f1939248..f3dbc8387f 100644
--- a/app/models/account.rb
+++ b/app/models/account.rb
@@ -52,6 +52,7 @@
 #  requested_review_at           :datetime
 #  group_allow_private_message   :boolean
 #  searchability                 :integer          default("private"), not null
+#  dissubscribable               :boolean          default(FALSE), not null
 #
 
 class Account < ApplicationRecord
diff --git a/app/models/antenna.rb b/app/models/antenna.rb
new file mode 100644
index 0000000000..0b1d3c1d0e
--- /dev/null
+++ b/app/models/antenna.rb
@@ -0,0 +1,209 @@
+# == Schema Information
+#
+# Table name: antennas
+#
+#  id               :bigint(8)        not null, primary key
+#  account_id       :bigint(8)        not null
+#  list_id          :bigint(8)        not null
+#  title            :string           default(""), not null
+#  keywords         :jsonb
+#  exclude_keywords :jsonb
+#  any_domains      :boolean          default(TRUE), not null
+#  any_tags         :boolean          default(TRUE), not null
+#  any_accounts     :boolean          default(TRUE), not null
+#  any_keywords     :boolean          default(TRUE), not null
+#  available        :boolean          default(TRUE), not null
+#  created_at       :datetime         not null
+#  updated_at       :datetime         not null
+#  expires_at       :datetime
+#  with_media_only  :boolean          default(FALSE), not null
+#
+class Antenna < ApplicationRecord
+  include Expireable
+
+  has_many :antenna_domains, inverse_of: :antenna, dependent: :destroy
+  has_many :antenna_tags, inverse_of: :antenna, dependent: :destroy
+  has_many :antenna_accounts, inverse_of: :antenna, dependent: :destroy
+
+  belongs_to :account
+  belongs_to :list
+
+  scope :all_keywords, -> { where(any_keywords: true) }
+  scope :all_domains, -> { where(any_domains: true) }
+  scope :all_accounts, -> { where(any_accounts: true) }
+  scope :all_tags, -> { where(any_tags: true) }
+  scope :availables, -> { where(available: true).where(Arel.sql('any_keywords = FALSE OR any_domains = FALSE OR any_accounts = FALSE OR any_tags = FALSE')) }
+
+  validate :list_owner
+
+  def list_owner
+    raise Mastodon::ValidationError, I18n.t('antennas.errors.invalid_list_owner') if list.account != account
+  end
+
+  def enabled?
+    enabled_config? && !expired?
+  end
+
+  def enabled_config?
+    available && enabled_config_raws?
+  end
+
+  def enabled_config_raws?
+    !(any_keywords && any_domains && any_accounts && any_tags)
+  end
+
+  def expires_in
+    return @expires_in if defined?(@expires_in)
+    return nil if expires_at.nil?
+
+    [30.minutes, 1.hour, 6.hours, 12.hours, 1.day, 1.week].find { |expires_in| expires_in.from_now >= expires_at }
+  end
+
+  def context
+    context = []
+    context << 'domain' if !any_domains
+    context << 'tag' if !any_tags
+    context << 'keyword' if !any_keywords
+    context << 'account' if !any_accounts
+    context
+  end
+
+  def list=(list_id)
+    list_id = list_id.to_i if list_id.is_a?(String)
+    if list_id.is_a?(Numeric)
+      self[:list_id] = list_id
+    else
+      self[:list] = list_id
+    end
+  end
+
+  def keywords_raw
+    return '' if !keywords.present?
+
+    keywords.join("\n")
+  end
+
+  def keywords_raw=(raw)
+    keywords = raw.split(/\R/).filter { |r| r.present? && r.length >= 2 }.uniq
+    self[:keywords] = keywords
+    self[:any_keywords] = !keywords.any? && !exclude_keywords&.any?
+  end
+
+  def exclude_keywords_raw
+    return '' if !exclude_keywords.present?
+
+    exclude_keywords.join("\n")
+  end
+
+  def exclude_keywords_raw=(raw)
+    exclude_keywords = raw.split(/\R/).filter { |r| r.present? }.uniq
+    self[:exclude_keywords] = exclude_keywords
+    self[:any_keywords] = !keywords&.any? && !exclude_keywords.any?
+  end
+
+  def tags_raw
+    antenna_tags.where(exclude: false).map(&:tag).map(&:name).join("\n")
+  end
+
+  def tags_raw=(raw)
+    return if tags_raw == raw
+
+    tag_names = raw.split(/\R/).filter { |r| r.present? }.map { |r| r.start_with?('#') ? r[1..-1] : r }.uniq
+
+    antenna_tags.where(exclude: false).destroy_all
+    Tag.find_or_create_by_names(tag_names).each do |tag|
+      antenna_tags.create!(tag: tag, exclude: false)
+    end
+    self[:any_tags] = !tag_names.any?
+  end
+
+  def exclude_tags_raw
+    antenna_tags.where(exclude: true).map(&:tag).map(&:name).join("\n")
+  end
+
+  def exclude_tags_raw=(raw)
+    return if exclude_tags_raw == raw
+
+    tag_names = raw.split(/\R/).filter { |r| r.present? }.map { |r| r.start_with?('#') ? r[1..-1] : r }.uniq
+
+    antenna_tags.where(exclude: true).destroy_all
+    Tag.find_or_create_by_names(tag_names).each do |tag|
+      antenna_tags.create!(tag: tag, exclude: true)
+    end
+  end
+
+  def domains_raw
+    antenna_domains.where(exclude: false).map(&:name).join("\n")
+  end
+
+  def domains_raw=(raw)
+    return if domains_raw == raw
+
+    domain_names = raw.split(/\R/).filter { |r| r.present? }.uniq
+
+    antenna_domains.where(exclude: false).destroy_all
+    domain_names.each do |domain|
+      antenna_domains.create!(name: domain, exclude: false)
+    end
+    self[:any_domains] = !domain_names.any?
+  end
+  
+  def exclude_domains_raw
+    antenna_domains.where(exclude: true).map(&:name).join("\n")
+  end
+
+  def exclude_domains_raw=(raw)
+    return if exclude_domains_raw == raw
+
+    domain_names = raw.split(/\R/).filter { |r| r.present? }.uniq
+
+    antenna_domains.where(exclude: true).destroy_all
+    domain_names.each do |domain|
+      antenna_domains.create!(name: domain, exclude: true)
+    end
+  end
+
+  def accounts_raw
+    antenna_accounts.where(exclude: false).map(&:account).map { |account| account.domain ? "@#{account.username}@#{account.domain}" : "@#{account.username}" }.join("\n")
+  end
+
+  def accounts_raw=(raw)
+    return if accounts_raw == raw
+
+    account_names = raw.split(/\R/).filter { |r| r.present? }.map { |r| r.start_with?('@') ? r[1..-1] : r }.uniq
+
+    hit = false
+    antenna_accounts.where(exclude: false).destroy_all
+    account_names.each do |name|
+      username, domain = name.split('@')
+      account = Account.find_by(username: username, domain: domain)
+      if account.present?
+        antenna_accounts.create!(account: account, exclude: false)
+        hit = true
+      end
+    end
+    self[:any_accounts] = !hit
+  end
+
+  def exclude_accounts_raw
+    antenna_accounts.where(exclude: true).map(&:account).map { |account| account.domain ? "@#{account.username}@#{account.domain}" : "@#{account.username}" }.join("\n")
+  end
+
+  def exclude_accounts_raw=(raw)
+    return if exclude_accounts_raw == raw
+
+    account_names = raw.split(/\R/).filter { |r| r.present? }.map { |r| r.start_with?('@') ? r[1..-1] : r }.uniq
+
+    hit = false
+    antenna_accounts.where(exclude: true).destroy_all
+    account_names.each do |name|
+      username, domain = name.split('@')
+      account = Account.find_by(username: username, domain: domain)
+      if account.present?
+        antenna_accounts.create!(account: account, exclude: true)
+        hit = true
+      end
+    end
+  end
+  
+end
diff --git a/app/models/antenna_account.rb b/app/models/antenna_account.rb
new file mode 100644
index 0000000000..38e2f83b67
--- /dev/null
+++ b/app/models/antenna_account.rb
@@ -0,0 +1,19 @@
+# == Schema Information
+#
+# Table name: antenna_accounts
+#
+#  id         :bigint(8)        not null, primary key
+#  antenna_id :bigint(8)        not null
+#  account_id :bigint(8)        not null
+#  exclude    :boolean          default(FALSE), not null
+#  created_at :datetime         not null
+#  updated_at :datetime         not null
+#
+class AntennaAccount < ApplicationRecord
+
+  belongs_to :antenna
+  belongs_to :account
+
+  validates :account_id, uniqueness: { scope: :antenna_id }
+
+end
diff --git a/app/models/antenna_domain.rb b/app/models/antenna_domain.rb
new file mode 100644
index 0000000000..aff087292d
--- /dev/null
+++ b/app/models/antenna_domain.rb
@@ -0,0 +1,16 @@
+# == Schema Information
+#
+# Table name: antenna_domains
+#
+#  id         :bigint(8)        not null, primary key
+#  antenna_id :bigint(8)        not null
+#  name       :string
+#  exclude    :boolean          default(FALSE), not null
+#  created_at :datetime         not null
+#  updated_at :datetime         not null
+#
+class AntennaDomain < ApplicationRecord
+
+  belongs_to :antenna
+
+end
diff --git a/app/models/antenna_tag.rb b/app/models/antenna_tag.rb
new file mode 100644
index 0000000000..fff5208b5b
--- /dev/null
+++ b/app/models/antenna_tag.rb
@@ -0,0 +1,17 @@
+# == Schema Information
+#
+# Table name: antenna_tags
+#
+#  id         :bigint(8)        not null, primary key
+#  antenna_id :bigint(8)        not null
+#  tag_id     :bigint(8)        not null
+#  exclude    :boolean          default(FALSE), not null
+#  created_at :datetime         not null
+#  updated_at :datetime         not null
+#
+class AntennaTag < ApplicationRecord
+
+  belongs_to :antenna
+  belongs_to :tag
+
+end
diff --git a/app/models/concerns/account_associations.rb b/app/models/concerns/account_associations.rb
index b76892a9d6..c284f5ce57 100644
--- a/app/models/concerns/account_associations.rb
+++ b/app/models/concerns/account_associations.rb
@@ -39,6 +39,8 @@ module AccountAssociations
 
     has_many :report_notes, dependent: :destroy
     has_many :custom_filters, inverse_of: :account, dependent: :destroy
+    has_many :antennas, inverse_of: :account, dependent: :destroy
+    has_many :antenna_accounts, inverse_of: :account, dependent: :destroy
 
     # Moderation notes
     has_many :account_moderation_notes, dependent: :destroy, inverse_of: :account
@@ -46,6 +48,10 @@ module AccountAssociations
     has_many :account_warnings, dependent: :destroy, inverse_of: :account
     has_many :strikes, class_name: 'AccountWarning', foreign_key: :target_account_id, dependent: :destroy, inverse_of: :target_account
 
+    # Antennas (that the account is on, not owned by the account)
+    has_many :antenna_accounts, inverse_of: :account, dependent: :destroy
+    has_many :joined_antennas, class_name: 'Antenna', through: :antenna_accounts, source: :antenna
+
     # Lists (that the account is on, not owned by the account)
     has_many :list_accounts, inverse_of: :account, dependent: :destroy
     has_many :lists, through: :list_accounts
diff --git a/app/models/list.rb b/app/models/list.rb
index bd1bdbd24d..c5e3a62d70 100644
--- a/app/models/list.rb
+++ b/app/models/list.rb
@@ -23,6 +23,7 @@ class List < ApplicationRecord
 
   has_many :list_accounts, inverse_of: :list, dependent: :destroy
   has_many :accounts, through: :list_accounts
+  has_many :antennas, inverse_of: :list, dependent: :destroy
 
   validates :title, presence: true
 
diff --git a/app/models/media_attachment.rb b/app/models/media_attachment.rb
index eb79c1efea..547ca9f32a 100644
--- a/app/models/media_attachment.rb
+++ b/app/models/media_attachment.rb
@@ -36,7 +36,7 @@ class MediaAttachment < ApplicationRecord
   include RoutingHelper
 
   LOCAL_STATUS_ATTACHMENT_MAX = 4
-  ACTIVITYPUB_STATUS_ATTACHMENT_MAX = 8
+  ACTIVITYPUB_STATUS_ATTACHMENT_MAX = 16
 
   enum type: { :image => 0, :gifv => 1, :video => 2, :unknown => 3, :audio => 4 }
   enum processing: { :queued => 0, :in_progress => 1, :complete => 2, :failed => 3 }, _prefix: true
diff --git a/app/models/status.rb b/app/models/status.rb
index 5c295497c7..ab6eb495a3 100644
--- a/app/models/status.rb
+++ b/app/models/status.rb
@@ -291,14 +291,6 @@ class Status < ApplicationRecord
     end
   end
 
-  def ordered_media_attachments_original_mastodon
-    ordered_media_attachments.take(4)
-  end
-
-  def ordered_media_attachments_extra
-    ordered_media_attachments.drop(4).take(4)
-  end
-
   def replies_count
     status_stat&.replies_count || 0
   end
@@ -380,6 +372,11 @@ class Status < ApplicationRecord
     'private'
   end
 
+  def compute_searchability_activitypub
+    return 'unlisted' if public_unlisted_visibility? && public_searchability?
+    compute_searchability
+  end
+
   after_create_commit  :increment_counter_caches
   after_destroy_commit :decrement_counter_caches
 
diff --git a/app/models/tag.rb b/app/models/tag.rb
index 9fb32cd06e..d023b335a2 100644
--- a/app/models/tag.rb
+++ b/app/models/tag.rb
@@ -27,6 +27,8 @@ class Tag < ApplicationRecord
   has_many :featured_tags, dependent: :destroy, inverse_of: :tag
   has_many :followers, through: :passive_relationships, source: :account
 
+  has_one :antenna_tag, dependent: :destroy, inverse_of: :tag
+
   HASHTAG_SEPARATORS = "_\u00B7\u30FB\u200c"
   HASHTAG_FIRST_SEQUENCE_CHUNK_ONE = "[[:word:]_][[:word:]#{HASHTAG_SEPARATORS}]*[[:alpha:]#{HASHTAG_SEPARATORS}]"
   HASHTAG_FIRST_SEQUENCE_CHUNK_TWO = "[[:word:]#{HASHTAG_SEPARATORS}]*[[:word:]_]"
diff --git a/app/serializers/activitypub/actor_serializer.rb b/app/serializers/activitypub/actor_serializer.rb
index 0a045050af..d8588af450 100644
--- a/app/serializers/activitypub/actor_serializer.rb
+++ b/app/serializers/activitypub/actor_serializer.rb
@@ -7,13 +7,13 @@ class ActivityPub::ActorSerializer < ActivityPub::Serializer
   context :security
 
   context_extensions :manually_approves_followers, :featured, :also_known_as,
-                     :moved_to, :property_value, :discoverable, :olm, :suspended, :searchable_by
+                     :moved_to, :property_value, :discoverable, :olm, :suspended, :searchable_by, :subscribable_by
 
   attributes :id, :type, :following, :followers,
              :inbox, :outbox, :featured, :featured_tags,
              :preferred_username, :name, :summary,
              :url, :manually_approves_followers,
-             :discoverable, :published, :searchable_by
+             :discoverable, :published, :searchable_by, :subscribable_by
 
   has_one :public_key, serializer: ActivityPub::PublicKeySerializer
 
@@ -166,6 +166,10 @@ class ActivityPub::ActorSerializer < ActivityPub::Serializer
     ActivityPub::TagManager.instance.account_searchable_by(object)
   end
 
+  def subscribable_by
+    ActivityPub::TagManager.instance.subscribable_by(object)
+  end
+
   class CustomEmojiSerializer < ActivityPub::EmojiSerializer
   end
 
diff --git a/app/serializers/rest/account_serializer.rb b/app/serializers/rest/account_serializer.rb
index bfbb484171..6c6a587e51 100644
--- a/app/serializers/rest/account_serializer.rb
+++ b/app/serializers/rest/account_serializer.rb
@@ -5,7 +5,7 @@ class REST::AccountSerializer < ActiveModel::Serializer
   include FormattingHelper
 
   attributes :id, :username, :acct, :display_name, :locked, :bot, :discoverable, :group, :created_at,
-             :note, :url, :avatar, :avatar_static, :header, :header_static, :searchability,
+             :note, :url, :avatar, :avatar_static, :header, :header_static, :searchability, :dissubscribable,
              :followers_count, :following_count, :statuses_count, :last_status_at
 
   has_one :moved_to_account, key: :moved, serializer: REST::AccountSerializer, if: :moved_and_not_nested?
diff --git a/app/serializers/rest/antenna_serializer.rb b/app/serializers/rest/antenna_serializer.rb
new file mode 100644
index 0000000000..4a4a148669
--- /dev/null
+++ b/app/serializers/rest/antenna_serializer.rb
@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+class REST::AntennaSerializer < ActiveModel::Serializer
+  attributes :id, :title
+
+  def id
+    object.id.to_s
+  end
+end
diff --git a/app/serializers/rest/instance_serializer.rb b/app/serializers/rest/instance_serializer.rb
index 3d4f88c5e9..748a0b8587 100644
--- a/app/serializers/rest/instance_serializer.rb
+++ b/app/serializers/rest/instance_serializer.rb
@@ -55,6 +55,7 @@ class REST::InstanceSerializer < ActiveModel::Serializer
       statuses: {
         max_characters: StatusLengthValidator::MAX_CHARS,
         max_media_attachments: MediaAttachment::LOCAL_STATUS_ATTACHMENT_MAX,
+        max_media_attachments_from_activitypub: MediaAttachment::ACTIVITYPUB_STATUS_ATTACHMENT_MAX,
         characters_reserved_per_url: StatusLengthValidator::URL_PLACEHOLDER_CHARS,
       },
 
@@ -97,7 +98,6 @@ class REST::InstanceSerializer < ActiveModel::Serializer
   def fedibird_capabilities
     capabilities = [
       :emoji_reaction,
-      :kmyblue_extra_media_attachments,
       :kmyblue_visibility_public_unlisted,
       :enable_wide_emoji,
       :enable_wide_emoji_reaction,
diff --git a/app/serializers/rest/status_serializer.rb b/app/serializers/rest/status_serializer.rb
index fb2c7f2b2e..fec8d32009 100644
--- a/app/serializers/rest/status_serializer.rb
+++ b/app/serializers/rest/status_serializer.rb
@@ -22,8 +22,7 @@ class REST::StatusSerializer < ActiveModel::Serializer
   belongs_to :application, if: :show_application?
   belongs_to :account, serializer: REST::AccountSerializer
 
-  has_many :ordered_media_attachments_original_mastodon, key: :media_attachments, serializer: REST::MediaAttachmentSerializer
-  has_many :ordered_media_attachments_extra, key: :media_attachments_ex, serializer: REST::MediaAttachmentSerializer
+  has_many :ordered_media_attachments, key: :media_attachments, serializer: REST::MediaAttachmentSerializer
   has_many :ordered_mentions, key: :mentions
   has_many :tags
   has_many :emojis, serializer: REST::CustomEmojiSerializer
diff --git a/app/serializers/rest/v1/instance_serializer.rb b/app/serializers/rest/v1/instance_serializer.rb
index d2c49ba0e3..881d685042 100644
--- a/app/serializers/rest/v1/instance_serializer.rb
+++ b/app/serializers/rest/v1/instance_serializer.rb
@@ -65,6 +65,7 @@ class REST::V1::InstanceSerializer < ActiveModel::Serializer
       statuses: {
         max_characters: StatusLengthValidator::MAX_CHARS,
         max_media_attachments: MediaAttachment::LOCAL_STATUS_ATTACHMENT_MAX,
+        max_media_attachments_from_activitypub: MediaAttachment::ACTIVITYPUB_STATUS_ATTACHMENT_MAX,
         characters_reserved_per_url: StatusLengthValidator::URL_PLACEHOLDER_CHARS,
       },
 
@@ -107,7 +108,6 @@ class REST::V1::InstanceSerializer < ActiveModel::Serializer
   def fedibird_capabilities
     capabilities = [
       :emoji_reaction,
-      :kmyblue_extra_media_attachments,
       :kmyblue_visibility_public_unlisted,
       :enable_wide_emoji,
       :enable_wide_emoji_reaction,
diff --git a/app/services/activitypub/process_account_service.rb b/app/services/activitypub/process_account_service.rb
index 6f08624f69..244ad3b8ce 100644
--- a/app/services/activitypub/process_account_service.rb
+++ b/app/services/activitypub/process_account_service.rb
@@ -78,6 +78,7 @@ class ActivityPub::ProcessAccountService < BaseService
     @account.suspension_origin = :local if auto_suspend?
     @account.silenced_at       = domain_block.created_at if auto_silence?
     @account.searchability     = :private  # not null
+    @account.dissubscribable   = false     # not null
     @account.save
   end
 
@@ -115,6 +116,7 @@ class ActivityPub::ProcessAccountService < BaseService
     @account.also_known_as           = as_array(@json['alsoKnownAs'] || []).map { |item| value_or_id(item) }
     @account.discoverable            = @json['discoverable'] || false
     @account.searchability           = searchability_from_audience
+    @account.dissubscribable         = !subscribable(@account.note)
   end
 
   def set_fetchable_key!
@@ -249,6 +251,20 @@ class ActivityPub::ProcessAccountService < BaseService
     end
   end
 
+  def subscribable_by
+    return nil if @json['subscribableBy'].nil?
+
+    @subscribable_by = as_array(@json['subscribableBy']).map { |x| value_or_id(x) }
+  end
+
+  def subscribable(note)
+    if subscribable_by.nil?
+      !note.include?('[subscribable:no]')
+    else
+      subscribable_by.any? { |uri| ActivityPub::TagManager.instance.public_collection?(uri) }
+    end
+  end
+
   def property_values
     return unless @json['attachment'].is_a?(Array)
 
diff --git a/app/services/delete_account_service.rb b/app/services/delete_account_service.rb
index ffa18b21e4..8f52538389 100644
--- a/app/services/delete_account_service.rb
+++ b/app/services/delete_account_service.rb
@@ -8,6 +8,7 @@ class DeleteAccountService < BaseService
     account_pins
     active_relationships
     aliases
+    antennas
     block_relationships
     blocked_by_relationships
     conversation_mutes
diff --git a/app/services/fan_out_on_write_service.rb b/app/services/fan_out_on_write_service.rb
index 9f7a8441cc..e05e54c62d 100644
--- a/app/services/fan_out_on_write_service.rb
+++ b/app/services/fan_out_on_write_service.rb
@@ -49,6 +49,7 @@ class FanOutOnWriteService < BaseService
     when :public, :unlisted, :public_unlisted, :private
       deliver_to_all_followers!
       deliver_to_lists!
+      deliver_to_antennas! if [:public, :public_unlisted].include?(@status.visibility.to_sym) && !@status.account.dissubscribable
     when :limited
       deliver_to_mentioned_followers!
     else
@@ -115,6 +116,35 @@ class FanOutOnWriteService < BaseService
     end
   end
 
+  def deliver_to_antennas!
+    lists = []
+    antennas = Antenna.availables
+    antennas = antennas.left_joins(:antenna_accounts).where(any_accounts: true).or(Antenna.availables.left_joins(:antenna_accounts)                                                       .where(antenna_accounts: { exclude: false, account: @status.account }))
+    antennas = antennas.left_joins(:antenna_domains) .where(any_domains: true) .or(Antenna.availables.left_joins(:antenna_accounts).left_joins(:antenna_domains)                          .where(antenna_domains:  { exclude: false, name: @status.account.domain }))
+    antennas = antennas.left_joins(:antenna_tags)    .where(any_tags: true)    .or(Antenna.availables.left_joins(:antenna_accounts).left_joins(:antenna_domains).left_joins(:antenna_tags).where(antenna_tags:     { exclude: false, tag: @status.tags }))
+    antennas = antennas.where(account: @status.account.followers) if @status.visibility.to_sym == :unlisted
+    antennas.in_batches do |ans|
+      ans.each do |antenna|
+        next if !antenna.enabled?
+        next if @status.account.blocking?(antenna.account)
+        next if antenna.keywords.any? && !([nil, :public].include?(@status.searchability&.to_sym))
+        next if antenna.keywords.any? && !antenna.keywords.any? { |keyword| @status.text.include?(keyword) }
+        next if antenna.exclude_keywords.any? && antenna.exclude_keywords.any? { |keyword| @status.text.include?(keyword) }
+        next if antenna.antenna_accounts.where(exclude: true, account: @status.account).any?
+        next if antenna.antenna_domains.where(exclude: true, name: @status.account.domain).any?
+        next if antenna.antenna_tags.where(exclude: true, tag: @status.tags).any?
+        lists << antenna.list
+      end
+    end
+    lists = lists.uniq
+
+    if lists.any?
+      FeedInsertWorker.push_bulk(lists) do |list|
+        [@status.id, list.id, 'list', { 'update' => update? }]
+      end
+    end
+  end
+
   def deliver_to_mentioned_followers!
     @status.mentions.joins(:account).merge(@account.followers_for_local_distribution).select(:id, :account_id).reorder(nil).find_in_batches do |mentions|
       FeedInsertWorker.push_bulk(mentions) do |mention|
diff --git a/app/views/antennas/_antenna.html.haml b/app/views/antennas/_antenna.html.haml
new file mode 100644
index 0000000000..3ba7d72377
--- /dev/null
+++ b/app/views/antennas/_antenna.html.haml
@@ -0,0 +1,74 @@
+.filters-list__item{ class: [(antenna.expired? || !antenna.enabled_config?) && 'expired'] }
+  = link_to edit_antenna_path(antenna), class: 'filters-list__item__title' do
+    = antenna.title
+
+    - if !antenna.enabled_config?
+      .expiration{ title: t('antennas.index.disabled') }
+        = t('antennas.index.disabled')
+    - elsif antenna.expires?
+      .expiration{ title: t('antennas.index.expires_on', date: l(antenna.expires_at)) }
+        - if antenna.expired?
+          = t('invites.expired')
+        - else
+          = t('antennas.index.expires_in', distance: distance_of_time_in_words_to_now(antenna.expires_at))
+
+  .listname
+    = antenna.list.title
+
+  .filters-list__item__permissions
+    %ul.permissions-list
+      - unless antenna.antenna_domains.empty?
+        %li.permissions-list__item
+          .permissions-list__item__icon
+            = fa_icon('sitemap')
+          .permissions-list__item__text
+            .permissions-list__item__text__title
+              = t('antennas.index.domains', count: antenna.antenna_domains.size)
+            .permissions-list__item__text__type
+              - domains = antenna.antenna_domains.map { |domain| domain.name }
+              - domains = domains.take(5) + ['…'] if domains.size > 5 # TODO
+              = domains.join(', ')
+      - unless antenna.antenna_accounts.empty?
+        %li.permissions-list__item
+          .permissions-list__item__icon
+            = fa_icon('users')
+          .permissions-list__item__text
+            .permissions-list__item__text__title
+              = t('antennas.index.accounts', count: antenna.antenna_accounts.size)
+            .permissions-list__item__text__type
+              - accounts = antenna.antenna_accounts.map { |account| account.account.domain ? "@#{account.account.username}@#{account.account.domain}" : "@#{account.account.username}" }
+              - accounts = accounts.take(5) + ['…'] if accounts.size > 5 # TODO
+              = accounts.join(', ')
+      - unless antenna.keywords.nil? || antenna.keywords.empty?
+        %li.permissions-list__item
+          .permissions-list__item__icon
+            = fa_icon('paragraph')
+          .permissions-list__item__text
+            .permissions-list__item__text__title
+              = t('antennas.index.keywords', count: antenna.keywords.size)
+            .permissions-list__item__text__type
+              - keywords = antenna.keywords
+              - keywords = keywords.take(5) + ['…'] if keywords.size > 5 # TODO
+              = keywords.join(', ')
+      - unless antenna.antenna_tags.empty?
+        %li.permissions-list__item
+          .permissions-list__item__icon
+            = fa_icon('hashtag')
+          .permissions-list__item__text
+            .permissions-list__item__text__title
+              = t('antennas.index.tags', count: antenna.antenna_tags.size)
+            .permissions-list__item__text__type
+              - tags = antenna.antenna_tags.map { |tag| tag.tag.name }
+              - tags = keywords.take(5) + ['…'] if tags.size > 5 # TODO
+              = tags.join(', ')
+
+  .announcements-list__item__action-bar
+    .announcements-list__item__meta
+      - if antenna.enabled_config_raws?
+        = t('antennas.index.contexts', contexts: antenna.context.map { |context| I18n.t("antennas.contexts.#{context}") }.join(', '))
+      - else
+        = t('antennas.errors.empty_contexts')
+
+    %div
+      = table_link_to 'pencil', t('antennas.edit.title'), edit_antenna_path(antenna)
+      = table_link_to 'times', t('antennas.index.delete'), antenna_path(antenna), method: :delete, data: { confirm: t('admin.accounts.are_you_sure') }
diff --git a/app/views/antennas/_antenna_fields.html.haml b/app/views/antennas/_antenna_fields.html.haml
new file mode 100644
index 0000000000..7f49139e0a
--- /dev/null
+++ b/app/views/antennas/_antenna_fields.html.haml
@@ -0,0 +1,51 @@
+%p= t 'antennas.edit.description'
+%hr.spacer/
+
+.fields-row
+  .fields-row__column.fields-row__column-6.fields-group
+    = f.input :title, as: :string, wrapper: :with_label, hint: false
+  .fields-row__column.fields-row__column-6.fields-group
+    = f.input :expires_in, wrapper: :with_label, collection: [30.minutes, 1.hour, 6.hours, 12.hours, 1.day, 1.week].map(&:to_i), label_method: lambda { |i| I18n.t("invites.expires_in.#{i}") }, include_blank: I18n.t('invites.expires_in_prompt')
+
+.fields-row
+  .fields-group.fields-row__column.fields-row__column-6
+    = f.input :list, collection: lists, wrapper: :with_label, label_method: lambda { |list| list.title }, label: t('antennas.edit.list'), selected: f.object.list&.id, hint: false
+  .fields-group.fields-row__column.fields-row__column-6
+    = f.input :available, wrapper: :with_label, label: t('antennas.edit.available'), hint: false
+
+%hr.spacer/
+%p.hint= t 'antennas.edit.hint'
+%hr.spacer/
+
+%h4= t('antennas.contexts.domain')
+
+.fields-row 
+  .fields-row__column.fields-row__column-6.fields-group
+    = f.input :domains_raw, wrapper: :with_label, as: :text, input_html: { rows: 5 }, label: t('antennas.edit.domains_raw')
+  .fields-row__column.fields-row__column-6.fields-group
+    = f.input :exclude_domains_raw, wrapper: :with_label, as: :text, input_html: { rows: 5 }, label: t('antennas.edit.exclude_domains_raw')
+
+%h4= t('antennas.contexts.account')
+%p.hint= t 'antennas.edit.accounts_hint'
+
+.fields-row 
+  .fields-row__column.fields-row__column-6.fields-group
+    = f.input :accounts_raw, wrapper: :with_label, as: :text, input_html: { rows: 5 }, label: t('antennas.edit.accounts_raw')
+  .fields-row__column.fields-row__column-6.fields-group
+    = f.input :exclude_accounts_raw, wrapper: :with_label, as: :text, input_html: { rows: 5 }, label: t('antennas.edit.exclude_accounts_raw')
+
+%h4= t('antennas.contexts.tag')
+
+.fields-row 
+  .fields-row__column.fields-row__column-6.fields-group
+    = f.input :tags_raw, wrapper: :with_label, as: :text, input_html: { rows: 5 }, label: t('antennas.edit.tags_raw')
+  .fields-row__column.fields-row__column-6.fields-group
+    = f.input :exclude_tags_raw, wrapper: :with_label, as: :text, input_html: { rows: 5 }, label: t('antennas.edit.exclude_tags_raw')
+
+%h4= t('antennas.contexts.keyword')
+
+.fields-row 
+  .fields-row__column.fields-row__column-6.fields-group
+    = f.input :keywords_raw, wrapper: :with_label, as: :text, input_html: { rows: 5 }, label: t('antennas.edit.keywords_raw')
+  .fields-row__column.fields-row__column-6.fields-group
+    = f.input :exclude_keywords_raw, wrapper: :with_label, as: :text, input_html: { rows: 5 }, label: t('antennas.edit.exclude_keywords_raw')
diff --git a/app/views/antennas/edit.html.haml b/app/views/antennas/edit.html.haml
new file mode 100644
index 0000000000..7452df8e40
--- /dev/null
+++ b/app/views/antennas/edit.html.haml
@@ -0,0 +1,8 @@
+- content_for :page_title do
+  = t('antennas.edit.title')
+
+= simple_form_for @antenna, url: antenna_path(@antenna), method: :put do |f|
+  = render 'antenna_fields', f: f, lists: @lists
+
+  .actions
+    = f.button :button, t('generic.save_changes'), type: :submit
diff --git a/app/views/antennas/index.html.haml b/app/views/antennas/index.html.haml
new file mode 100644
index 0000000000..7b33fcaeca
--- /dev/null
+++ b/app/views/antennas/index.html.haml
@@ -0,0 +1,14 @@
+- content_for :page_title do
+  = t('antennas.index.title')
+
+- content_for :heading_actions do
+  = link_to t('antennas.new.title'), new_antenna_path, class: 'button'
+
+.flash-message.alert
+  %strong= t('antennas.beta')
+
+- if @antennas.empty?
+  .muted-hint.center-text= t 'antennas.index.empty'
+- else
+  .applications-list
+    = render partial: 'antenna', collection: @antennas
diff --git a/app/views/antennas/new.html.haml b/app/views/antennas/new.html.haml
new file mode 100644
index 0000000000..c53c7bc002
--- /dev/null
+++ b/app/views/antennas/new.html.haml
@@ -0,0 +1,8 @@
+- content_for :page_title do
+  = t('antennas.new.title')
+
+= simple_form_for @antenna, url: antennas_path do |f|
+  = render 'antenna_fields', f: f, lists: @lists
+
+  .actions
+    = f.button :button, t('antennas.new.save'), type: :submit
diff --git a/app/views/settings/profiles/show.html.haml b/app/views/settings/profiles/show.html.haml
index 31c09007ba..3d7a4325da 100644
--- a/app/views/settings/profiles/show.html.haml
+++ b/app/views/settings/profiles/show.html.haml
@@ -38,6 +38,9 @@
   .fields-group
     = f.input :hide_collections, as: :boolean, wrapper: :with_label, label: t('simple_form.labels.defaults.setting_hide_network'), hint: t('simple_form.hints.defaults.setting_hide_network')
 
+  .fields-group
+    = f.input :dissubscribable, as: :boolean, wrapper: :with_label, hint: t('simple_form.hints.defaults.dissubscribable')
+
   %hr.spacer/
 
   .fields-row
diff --git a/config/locales/en.yml b/config/locales/en.yml
index c2c22e1b88..1128fe053e 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -964,6 +964,44 @@ en:
     empty: You have no aliases.
     hint_html: If you want to move from another account to this one, here you can create an alias, which is required before you can proceed with moving followers from the old account to this one. This action by itself is <strong>harmless and reversible</strong>. <strong>The account migration is initiated from the old account</strong>.
     remove: Unlink alias
+  antennas:
+    beta: This function is in beta.
+    contexts:
+      account: Accounts
+      domain: Domains
+      keyword: Keywords
+      tag: Tags
+    edit:
+      accounts_hint: \@askyq or @askyq@example.com
+      accounts_raw: Account list
+      available: Available
+      description: アンテナは、サーバーが認識した全ての公開・ローカル公開投稿のうち、検索許可が「公開」または明示的に設定されていないもの(検索許可システムに対応していないサーバーからの投稿)、かつ購読を拒否していないすべてのアカウントからの投稿が対象です。検出された投稿は、指定したリストに追加されます。
+      domains_raw: Domain list
+      exclude_accounts_raw: Excluding account list
+      exclude_domains_raw: Excluding domain list
+      exclude_keywords_raw: Excluding keyword list
+      exclude_tags_raw: Excluding hashtag list
+      hint: 下のリストに、絞り込み条件・除外条件を入力します。条件は複数指定することができます。1行につき1つずつ入力してください。空行、コメント、重複を含めることはできません。
+      keywords_raw: Keyword list
+      list: Destination list
+      tags_raw: Hashtag list
+      title: Edit antenna
+    errors:
+      deprecated_api_multiple_keywords: These parameters cannot be changed from this application because they apply to more than one filter keyword. Use a more recent application or the web interface.
+      empty_contexts: No contexts! You must set any context filters
+      invalid_context: None or invalid context supplied
+      invalid_list_owner: This list is not yours
+    index:
+      contexts: Antennas in %{contexts}
+      delete: Delete
+      disabled: Disabled
+      empty: You have no antennas.
+      expires_in: Expires in %{distance}
+      expires_on: Expires on %{date}
+      title: Antennas
+    new:
+      save: Save new antenna
+      title: Add new antenna
   appearance:
     advanced_web_interface: Advanced web interface
     advanced_web_interface_hint: 'If you want to make use of your entire screen width, the advanced web interface allows you to configure many different columns to see as much information at the same time as you want: Home, notifications, federated timeline, any number of lists and hashtags.'
diff --git a/config/locales/ja.yml b/config/locales/ja.yml
index fa09ac8545..e169428420 100644
--- a/config/locales/ja.yml
+++ b/config/locales/ja.yml
@@ -946,6 +946,50 @@ ja:
     empty: エイリアスがありません。
     hint_html: 他のアカウントからこのアカウントにフォロワーを引き継いで引っ越したい場合、ここでエイリアスを作成しておく必要があります。エイリアス自体は<strong>無害で、取り消す</strong>ことができます。<strong>引っ越しは以前のアカウント側から開始する必要があります</strong>。
     remove: エイリアスを削除
+  antennas:
+    beta: アンテナ機能はベータ版です。今後、予告なく全データリセット・機能削除を行う場合があります。この機能の存在は外部に積極的に宣伝しないよう、ご協力をお願いします。
+    contexts:
+      account: アカウント
+      domain: ドメイン
+      keyword: キーワード
+      tag: ハッシュタグ
+    errors:
+      empty_contexts: 絞り込み条件が1つも指定されていないため無効です（除外条件はカウントされません）
+      invalid_list_owner: これはあなたのリストではありません
+    edit:
+      accounts_hint: ローカルアカウントの場合は「@info」、リモートアカウントの場合は「@info@example.com」の形式で指定します。サーバーが認識していないアカウントは保存時に自動的に削除されます。
+      accounts_raw: 絞り込むアカウント
+      available: 有効
+      description: アンテナは、サーバーが認識した全ての公開・ローカル公開投稿のうち、検索許可が「公開」または明示的に設定されていないもの(検索許可システムに対応していないサーバーからの投稿)、かつ購読を拒否していないすべてのアカウントからの投稿が対象です。検出された投稿は、指定したリストに追加されます。
+      domains_raw: 絞り込むドメイン
+      exclude_accounts_raw: 除外するアカウント
+      exclude_domains_raw: 除外するドメイン
+      exclude_keywords_raw: 除外するキーワード
+      exclude_tags_raw: 除外するハッシュタグ
+      hint: 下のリストに、絞り込み条件・除外条件を入力します。条件は複数指定することができます。1行につき1つずつ入力してください。空行、コメント、重複を含めることはできません。絞り込み条件（除外条件ではない）は最低1つ設定しなければいけません。
+      keywords_raw: 絞り込むキーワード
+      list: 投稿配置先リスト
+      tags_raw: 絞り込むハッシュタグ
+      title: アンテナを編集
+    index:
+      accounts:
+        other: "%{count}件のアカウント"
+      contexts: "%{contexts}のアンテナ"
+      delete: 削除
+      disabled: 無効
+      domains:
+        other: "%{count}件のドメイン"
+      empty: アンテナはありません。
+      expires_in: "%{distance}で期限切れ"
+      expires_on: 有効期限 %{date}
+      keywords:
+        other: "%{count}件のキーワード"
+      tags:
+        other: "%{count}件のタグ"
+      title: アンテナ
+    new:
+      save: 新規アンテナを保存
+      title: 新規アンテナを追加
   appearance:
     advanced_web_interface: 上級者向けUI
     advanced_web_interface_hint: ディスプレイを幅いっぱいまで活用したい場合、上級者向け UI をおすすめします。ホーム、通知、連合タイムライン、更にはリストやハッシュタグなど、様々な異なるカラムから望む限りの情報を一度に受け取れるような設定が可能になります。
diff --git a/config/locales/simple_form.en.yml b/config/locales/simple_form.en.yml
index 3fda438463..d91f2ed560 100644
--- a/config/locales/simple_form.en.yml
+++ b/config/locales/simple_form.en.yml
@@ -38,6 +38,7 @@ en:
         current_username: To confirm, please enter the username of the current account
         digest: Only sent after a long period of inactivity and only if you have received any personal messages in your absence
         discoverable: Allow your account to be discovered by strangers through recommendations, trends and other features
+        dissubscribable: Your post is not picked by antenna
         email: You will be sent a confirmation e-mail
         fields: You can have up to 4 items displayed as a table on your profile
         group: Reps sent to this account will be automatically BT'd and distributed to all accounts you follow!
@@ -179,6 +180,7 @@ en:
         data: Data
         discoverable: Suggest account to others
         display_name: Display name
+        dissubscribable: Reject any subscriptions
         email: E-mail address
         expires_in: Expire after
         fields: Profile metadata
diff --git a/config/locales/simple_form.ja.yml b/config/locales/simple_form.ja.yml
index 086c160c65..a2e212eba0 100644
--- a/config/locales/simple_form.ja.yml
+++ b/config/locales/simple_form.ja.yml
@@ -38,6 +38,7 @@ ja:
         current_username: 確認のため、現在のアカウントのユーザー名を入力してください
         digest: 長期間使用していない場合と不在時に返信を受けた場合のみ送信されます
         discoverable: レコメンド、トレンド、その他の機能により、あなたのアカウントを他の人から見つけられるようにします
+        dissubscribable: あなたの投稿はすべてのアンテナに掲載されなくなります。Fedibirdからの購読やMisskeyのアンテナを拒否することはできません
         email: 確認のメールが送信されます
         fields: プロフィールに表として4つまでの項目を表示することができます
         group: このアカウントに送られたメンションは自動でBTされ、フォローしている全てのアカウントに配信されます
@@ -180,6 +181,7 @@ ja:
         data: データ
         discoverable: ディレクトリに掲載する
         display_name: 表示名
+        dissubscribable: 購読を拒否する
         email: メールアドレス
         expires_in: 有効期限
         fields: プロフィール補足情報
diff --git a/config/navigation.rb b/config/navigation.rb
index 758ea96d15..88f10ff355 100644
--- a/config/navigation.rb
+++ b/config/navigation.rb
@@ -17,6 +17,7 @@ SimpleNavigation::Configuration.run do |navigation|
 
     n.item :relationships, safe_join([fa_icon('users fw'), t('settings.relationships')]), relationships_path, if: -> { current_user.functional? }
     n.item :filters, safe_join([fa_icon('filter fw'), t('filters.index.title')]), filters_path, highlights_on: %r{/filters}, if: -> { current_user.functional? }
+    n.item :antennas, safe_join([fa_icon('wifi fw'), t('antennas.index.title')]), antennas_path, highlights_on: %r{/antennas}, if: -> { current_user.functional? }
     n.item :statuses_cleanup, safe_join([fa_icon('history fw'), t('settings.statuses_cleanup')]), statuses_cleanup_path, if: -> { current_user.functional_or_moved? }
 
     n.item :security, safe_join([fa_icon('lock fw'), t('settings.account')]), edit_user_registration_path do |s|
diff --git a/config/routes.rb b/config/routes.rb
index 109ad8f954..7563f186f6 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -216,6 +216,7 @@ Rails.application.routes.draw do
       end
     end
   end
+  resources :antennas, except: [:show]
 
   resource :relationships, only: [:show, :update]
   resource :statuses_cleanup, controller: :statuses_cleanup, only: [:show, :update]
@@ -602,6 +603,7 @@ Rails.application.routes.draw do
         resources :followers, only: :index, controller: 'accounts/follower_accounts'
         resources :following, only: :index, controller: 'accounts/following_accounts'
         resources :lists, only: :index, controller: 'accounts/lists'
+        resources :antennas, only: :index, controller: 'accounts/antennas'
         resources :identity_proofs, only: :index, controller: 'accounts/identity_proofs'
         resources :featured_tags, only: :index, controller: 'accounts/featured_tags'
 
@@ -633,6 +635,10 @@ Rails.application.routes.draw do
         resource :accounts, only: [:show, :create, :destroy], controller: 'lists/accounts'
       end
 
+      resources :antennas, only: [:index, :create, :show, :update, :destroy] do
+        resource :accounts, only: [:show, :create, :destroy], controller: 'antennas/accounts'
+      end
+
       namespace :featured_tags do
         get :suggestions, to: 'suggestions#index'
       end
diff --git a/db/migrate/20230423002728_create_antennas.rb b/db/migrate/20230423002728_create_antennas.rb
new file mode 100644
index 0000000000..b2a3c89ac4
--- /dev/null
+++ b/db/migrate/20230423002728_create_antennas.rb
@@ -0,0 +1,40 @@
+class CreateAntennas < ActiveRecord::Migration[6.1]
+  def change
+    create_table :antennas do |t|
+      t.belongs_to :account, null: false, foreign_key: { on_delete: :cascade }
+      t.belongs_to :list, null: false, foreign_key: { on_delete: :cascade }
+      t.string :title, null: false, default: ''
+      t.jsonb :keywords
+      t.jsonb :exclude_keywords
+      t.boolean :any_domains, null: false, default: true, index: true
+      t.boolean :any_tags, null: false, default: true, index: true
+      t.boolean :any_accounts, null: false, default: true, index: true
+      t.boolean :any_keywords, null: false, default: true, index: true
+      t.boolean :available, null: false, default: true, index: true
+      t.datetime :created_at, null: false
+      t.datetime :updated_at, null: false
+      t.datetime :expires_at
+    end
+    create_table :antenna_domains do |t|
+      t.belongs_to :antenna, null: false, foreign_key: { on_delete: :cascade }
+      t.string :name, index: true
+      t.boolean :exclude, null: false, default: false, index: true
+      t.datetime :created_at, null: false
+      t.datetime :updated_at, null: false
+    end
+    create_table :antenna_tags do |t|
+      t.belongs_to :antenna, null: false, foreign_key: { on_delete: :cascade }
+      t.belongs_to :tag, null: false, foreign_key: { on_delete: :cascade }
+      t.boolean :exclude, null: false, default: false, index: true
+      t.datetime :created_at, null: false
+      t.datetime :updated_at, null: false
+    end
+    create_table :antenna_accounts do |t|
+      t.belongs_to :antenna, null: false, foreign_key: { on_delete: :cascade }
+      t.belongs_to :account, null: false, foreign_key: { on_delete: :cascade }
+      t.boolean :exclude, null: false, default: false, index: true
+      t.datetime :created_at, null: false
+      t.datetime :updated_at, null: false
+    end
+  end
+end
diff --git a/db/migrate/20230423233429_add_dissubscribable_to_accounts.rb b/db/migrate/20230423233429_add_dissubscribable_to_accounts.rb
new file mode 100644
index 0000000000..b466241239
--- /dev/null
+++ b/db/migrate/20230423233429_add_dissubscribable_to_accounts.rb
@@ -0,0 +1,6 @@
+class AddDissubscribableToAccounts < ActiveRecord::Migration[6.1]
+  def change
+    add_column :antennas, :with_media_only, :boolean, null: false, default: false, index: true
+    add_column :accounts, :dissubscribable, :boolean, null: false, default: false
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 82581d71e5..e1f54b00c7 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2023_04_14_010523) do
+ActiveRecord::Schema.define(version: 2023_04_23_233429) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -189,6 +189,7 @@ ActiveRecord::Schema.define(version: 2023_04_14_010523) do
     t.datetime "requested_review_at"
     t.boolean "group_allow_private_message"
     t.integer "searchability", default: 2, null: false
+    t.boolean "dissubscribable", default: false, null: false
     t.index "(((setweight(to_tsvector('simple'::regconfig, (display_name)::text), 'A'::\"char\") || setweight(to_tsvector('simple'::regconfig, (username)::text), 'B'::\"char\")) || setweight(to_tsvector('simple'::regconfig, (COALESCE(domain, ''::character varying))::text), 'C'::\"char\")))", name: "search_index", using: :gin
     t.index "lower((username)::text), COALESCE(lower((domain)::text), ''::text)", name: "index_accounts_on_username_and_domain_lower", unique: true
     t.index ["moved_to_account_id"], name: "index_accounts_on_moved_to_account_id", where: "(moved_to_account_id IS NOT NULL)"
@@ -251,6 +252,63 @@ ActiveRecord::Schema.define(version: 2023_04_14_010523) do
     t.bigint "status_ids", array: true
   end
 
+  create_table "antenna_accounts", force: :cascade do |t|
+    t.bigint "antenna_id", null: false
+    t.bigint "account_id", null: false
+    t.boolean "exclude", default: false, null: false
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["account_id"], name: "index_antenna_accounts_on_account_id"
+    t.index ["antenna_id"], name: "index_antenna_accounts_on_antenna_id"
+    t.index ["exclude"], name: "index_antenna_accounts_on_exclude"
+  end
+
+  create_table "antenna_domains", force: :cascade do |t|
+    t.bigint "antenna_id", null: false
+    t.string "name"
+    t.boolean "exclude", default: false, null: false
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["antenna_id"], name: "index_antenna_domains_on_antenna_id"
+    t.index ["exclude"], name: "index_antenna_domains_on_exclude"
+    t.index ["name"], name: "index_antenna_domains_on_name"
+  end
+
+  create_table "antenna_tags", force: :cascade do |t|
+    t.bigint "antenna_id", null: false
+    t.bigint "tag_id", null: false
+    t.boolean "exclude", default: false, null: false
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["antenna_id"], name: "index_antenna_tags_on_antenna_id"
+    t.index ["exclude"], name: "index_antenna_tags_on_exclude"
+    t.index ["tag_id"], name: "index_antenna_tags_on_tag_id"
+  end
+
+  create_table "antennas", force: :cascade do |t|
+    t.bigint "account_id", null: false
+    t.bigint "list_id", null: false
+    t.string "title", default: "", null: false
+    t.jsonb "keywords"
+    t.jsonb "exclude_keywords"
+    t.boolean "any_domains", default: true, null: false
+    t.boolean "any_tags", default: true, null: false
+    t.boolean "any_accounts", default: true, null: false
+    t.boolean "any_keywords", default: true, null: false
+    t.boolean "available", default: true, null: false
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.datetime "expires_at"
+    t.boolean "with_media_only", default: false, null: false
+    t.index ["account_id"], name: "index_antennas_on_account_id"
+    t.index ["any_accounts"], name: "index_antennas_on_any_accounts"
+    t.index ["any_domains"], name: "index_antennas_on_any_domains"
+    t.index ["any_keywords"], name: "index_antennas_on_any_keywords"
+    t.index ["any_tags"], name: "index_antennas_on_any_tags"
+    t.index ["available"], name: "index_antennas_on_available"
+    t.index ["list_id"], name: "index_antennas_on_list_id"
+  end
+
   create_table "appeals", force: :cascade do |t|
     t.bigint "account_id", null: false
     t.bigint "account_warning_id", null: false
@@ -1173,6 +1231,13 @@ ActiveRecord::Schema.define(version: 2023_04_14_010523) do
   add_foreign_key "announcement_reactions", "accounts", on_delete: :cascade
   add_foreign_key "announcement_reactions", "announcements", on_delete: :cascade
   add_foreign_key "announcement_reactions", "custom_emojis", on_delete: :cascade
+  add_foreign_key "antenna_accounts", "accounts", on_delete: :cascade
+  add_foreign_key "antenna_accounts", "antennas", on_delete: :cascade
+  add_foreign_key "antenna_domains", "antennas", on_delete: :cascade
+  add_foreign_key "antenna_tags", "antennas", on_delete: :cascade
+  add_foreign_key "antenna_tags", "tags", on_delete: :cascade
+  add_foreign_key "antennas", "accounts", on_delete: :cascade
+  add_foreign_key "antennas", "lists", on_delete: :cascade
   add_foreign_key "appeals", "account_warnings", on_delete: :cascade
   add_foreign_key "appeals", "accounts", column: "approved_by_account_id", on_delete: :nullify
   add_foreign_key "appeals", "accounts", column: "rejected_by_account_id", on_delete: :nullify