diff --git a/.haml-lint_todo.yml b/.haml-lint_todo.yml
index 67f97c01c8..f2f70e1300 100644
--- a/.haml-lint_todo.yml
+++ b/.haml-lint_todo.yml
@@ -18,8 +18,13 @@ linters:
       - 'app/views/admin/accounts/_local_account.html.haml'
       - 'app/views/admin/accounts/index.html.haml'
       - 'app/views/admin/roles/_form.html.haml'
+      - 'app/views/home/index.html.haml'
       - 'app/views/layouts/application.html.haml'
 
   ViewLength:
     exclude:
       - 'app/views/admin/instances/show.html.haml'
+
+  InstanceVariables:
+    exclude:
+      - 'app/views/application/_sidebar.html.haml'
diff --git a/app/views/admin/custom_emojis/edit.html.haml b/app/views/admin/custom_emojis/edit.html.haml
index a984f18d62..212684f048 100644
--- a/app/views/admin/custom_emojis/edit.html.haml
+++ b/app/views/admin/custom_emojis/edit.html.haml
@@ -14,7 +14,7 @@
   .fields-group
     %samp= @custom_emoji.shortcode
 
-  - if !@custom_emoji.local?
+  - unless @custom_emoji.local?
     %h4= t('admin.custom_emojis.domain')
 
     .fields-group
diff --git a/app/views/admin/friend_servers/_friend_domain.html.haml b/app/views/admin/friend_servers/_friend_domain.html.haml
index 7da4db1b89..9a2e857aba 100644
--- a/app/views/admin/friend_servers/_friend_domain.html.haml
+++ b/app/views/admin/friend_servers/_friend_domain.html.haml
@@ -3,29 +3,29 @@
     - unless friend.available
       %span.negative-hint
         = fa_icon('times')
-        = ' '
+         
         = t 'admin.friend_servers.disabled'
     %samp= friend.domain
   %td
     - if friend.accepted?
       %span.positive-hint
         = fa_icon('check')
-        = ' '
+         
         = t 'admin.friend_servers.enabled'
     - elsif friend.i_am_pending?
       = fa_icon('hourglass')
-      = ' '
+       
       = t 'admin.friend_servers.pending'
     - elsif friend.they_are_pending?
       %span.warning-hint
         = fa_icon('hourglass')
-        = ' '
+         
         = t 'admin.friend_servers.pending_you'
     - else
       %span.negative-hint
         = fa_icon('times')
-        = ' '
+         
         = t 'admin.friend_servers.disabled'
   %td
-    = table_link_to 'pencil', t('admin.friend_servers.edit_friend'),   edit_admin_friend_server_path(friend)
+    = table_link_to 'pencil', t('admin.friend_servers.edit_friend'), edit_admin_friend_server_path(friend)
     = table_link_to 'times', t('admin.friend_servers.delete'), admin_friend_server_path(friend), method: :delete, data: { confirm: t('admin.accounts.are_you_sure') }
diff --git a/app/views/admin/friend_servers/edit.html.haml b/app/views/admin/friend_servers/edit.html.haml
index 06cff11bfb..9a2acb21a5 100644
--- a/app/views/admin/friend_servers/edit.html.haml
+++ b/app/views/admin/friend_servers/edit.html.haml
@@ -11,16 +11,16 @@
       - if @friend.accepted?
         %span.positive-hint
           = fa_icon('check')
-          = ' '
+           
           = t 'admin.friend_servers.enabled'
       - elsif @friend.pending?
         = fa_icon('hourglass')
-        = ' '
+         
         = t 'admin.friend_servers.pending'
       - else
         %span.negative-hint
           = fa_icon('times')
-          = ' '
+           
           = t 'admin.friend_servers.disabled'
       .action-buttons
         %div
diff --git a/app/views/admin/statuses/show.html.haml b/app/views/admin/statuses/show.html.haml
index 317ccde078..69776b94f7 100644
--- a/app/views/admin/statuses/show.html.haml
+++ b/app/views/admin/statuses/show.html.haml
@@ -44,16 +44,16 @@
 
 .action-buttons
   %div
-    - if @account.local?
-      = link_to t('admin.statuses.remove_history'), remove_history_admin_account_status_path(@account.id), data: { confirm: t('admin.statuses.are_you_sure') }, method: :post, class: 'button' if can?(:warn, @account)
-    - if @account.local? && @status.with_media?
-      = link_to t('admin.statuses.remove_media'), remove_media_admin_account_status_path(@account.id), data: { confirm: t('admin.statuses.are_you_sure') }, method: :post, class: 'button' if can?(:warn, @account)
-    - if @account.local? && !@status.sensitive && @status.with_media?
-      = link_to t('admin.statuses.force_nsfw'), force_sensitive_admin_account_status_path(@account.id), data: { confirm: t('admin.statuses.are_you_sure') }, method: :post, class: 'button' if can?(:warn, @account)
-    - if @account.local? && !@status.spoiler_text.present?
-      = link_to t('admin.statuses.force_cw'), force_cw_admin_account_status_path(@account.id), data: { confirm: t('admin.statuses.are_you_sure') }, method: :post, class: 'button' if can?(:warn, @account)
-    - if @account.local?
-      = link_to t('admin.statuses.remove'), remove_status_admin_account_status_path(@account.id), data: { confirm: t('admin.statuses.are_you_sure') }, method: :post, class: 'button' if can?(:warn, @account)
+    - if @account.local? && can?(:warn, @account)
+      = link_to t('admin.statuses.remove_history'), remove_history_admin_account_status_path(@account.id), data: { confirm: t('admin.statuses.are_you_sure') }, method: :post, class: 'button'
+    - if @account.local? && @status.with_media? && can?(:warn, @account)
+      = link_to t('admin.statuses.remove_media'), remove_media_admin_account_status_path(@account.id), data: { confirm: t('admin.statuses.are_you_sure') }, method: :post, class: 'button'
+    - if @account.local? && !@status.sensitive && @status.with_media? && can?(:warn, @account)
+      = link_to t('admin.statuses.force_nsfw'), force_sensitive_admin_account_status_path(@account.id), data: { confirm: t('admin.statuses.are_you_sure') }, method: :post, class: 'button'
+    - if @account.local? && @status.spoiler_text.blank? && can?(:warn, @account)
+      = link_to t('admin.statuses.force_cw'), force_cw_admin_account_status_path(@account.id), data: { confirm: t('admin.statuses.are_you_sure') }, method: :post, class: 'button'
+    - if @account.local? && can?(:warn, @account)
+      = link_to t('admin.statuses.remove'), remove_status_admin_account_status_path(@account.id), data: { confirm: t('admin.statuses.are_you_sure') }, method: :post, class: 'button'
 
 %hr.spacer/
 
diff --git a/app/views/antennas/_antenna.html.haml b/app/views/antennas/_antenna.html.haml
index a79e3557bf..ed3b8c3bde 100644
--- a/app/views/antennas/_antenna.html.haml
+++ b/app/views/antennas/_antenna.html.haml
@@ -26,7 +26,7 @@
               .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 = antenna.antenna_domains.map(&:name)
                 - domains = domains.take(5) + ['…'] if domains.size > 5 # TODO
                 = domains.join(', ')
         - unless antenna.antenna_accounts.empty?
@@ -40,7 +40,7 @@
                 - 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?
+        - if antenna.keywords.present?
           %li.permissions-list__item
             .permissions-list__item__icon
               = fa_icon('paragraph')
diff --git a/app/views/antennas/_antenna_fields.html.haml b/app/views/antennas/_antenna_fields.html.haml
index 998aa5fdeb..49ec951669 100644
--- a/app/views/antennas/_antenna_fields.html.haml
+++ b/app/views/antennas/_antenna_fields.html.haml
@@ -5,7 +5,7 @@
   .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')
+    = 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: ->(i) { I18n.t("invites.expires_in.#{i}") }, include_blank: I18n.t('invites.expires_in_prompt')
 
 .fields-row
   = f.input :available, wrapper: :with_label, label: t('antennas.edit.available'), hint: false
diff --git a/app/views/settings/preferences/other/show.html.haml b/app/views/settings/preferences/other/show.html.haml
index 353715df01..e0ca7e4332 100644
--- a/app/views/settings/preferences/other/show.html.haml
+++ b/app/views/settings/preferences/other/show.html.haml
@@ -26,7 +26,7 @@
     - if Setting.enable_emoji_reaction
       .fields-row
         .fields-group.fields-row__column.fields-row__column-12
-          = ff.input :emoji_reaction_policy, kmyblue: true, collection: ['allow', 'outside_only', 'followers_only', 'following_only', 'mutuals_only', 'block'], label_method: lambda { |item| safe_join([t("simple_form.labels.defaults.setting_emoji_reaction_policy_items.#{item}")]) }, collection_wrapper_tag: 'ul', item_wrapper_tag: 'li', include_blank: false, wrapper: :with_label, label: I18n.t('simple_form.labels.defaults.setting_emoji_reaction_policy'), hint: false, warning_hint: I18n.t('simple_form.hints.defaults.setting_emoji_reaction_policy')
+          = ff.input :emoji_reaction_policy, kmyblue: true, collection: %w(allow outside_only followers_only following_only mutuals_only block), label_method: ->(item) { safe_join([t("simple_form.labels.defaults.setting_emoji_reaction_policy_items.#{item}")]) }, collection_wrapper_tag: 'ul', item_wrapper_tag: 'li', include_blank: false, wrapper: :with_label, label: I18n.t('simple_form.labels.defaults.setting_emoji_reaction_policy'), hint: false, warning_hint: I18n.t('simple_form.hints.defaults.setting_emoji_reaction_policy')
 
     - if @dtl_enabled
 
@@ -38,7 +38,7 @@
         = ff.input :'web.enable_dtl_menu', wrapper: :with_label, kmyblue: true, label: I18n.t('simple_form.labels.defaults.setting_dtl_menu')
 
       .fields-group
-        = ff.input :dtl_force_with_tag, kmyblue: true, collection: ['full', 'searchability', 'none'], label_method: lambda { |item| safe_join([t("simple_form.labels.dtl_force_with_tag.#{item}")]) }, as: :radio_buttons, collection_wrapper_tag: 'ul', item_wrapper_tag: 'li', wrapper: :with_floating_label, label: I18n.t('simple_form.labels.defaults.setting_dtl_force_with_tag'), hint: I18n.t('simple_form.hints.defaults.setting_dtl_force_with_tag', tag: @dtl_tag)
+        = ff.input :dtl_force_with_tag, kmyblue: true, collection: %w(full searchability none), label_method: ->(item) { safe_join([t("simple_form.labels.dtl_force_with_tag.#{item}")]) }, as: :radio_buttons, collection_wrapper_tag: 'ul', item_wrapper_tag: 'li', wrapper: :with_floating_label, label: I18n.t('simple_form.labels.defaults.setting_dtl_force_with_tag'), hint: I18n.t('simple_form.hints.defaults.setting_dtl_force_with_tag', tag: @dtl_tag)
 
       .fields-group
         = ff.input :dtl_force_subscribable, wrapper: :with_label, kmyblue: true, label: I18n.t('simple_form.labels.defaults.setting_dtl_force_subscribable'), hint: I18n.t('simple_form.hints.defaults.setting_dtl_force_subscribable')
diff --git a/app/views/settings/preferences/reaching/show.html.haml b/app/views/settings/preferences/reaching/show.html.haml
index 3e330ad590..8f0b68556e 100644
--- a/app/views/settings/preferences/reaching/show.html.haml
+++ b/app/views/settings/preferences/reaching/show.html.haml
@@ -8,7 +8,6 @@
   = render 'shared/error_messages', object: current_user
 
   = f.simple_fields_for :settings, current_user.settings do |ff|
-
     %h4= t 'preferences.visibility'
 
     .fields-row
@@ -16,7 +15,7 @@
         = ff.input :default_privacy, collection: Status.selectable_visibilities, wrapper: :with_label, include_blank: false, label_method: ->(visibility) { safe_join([I18n.t("statuses.visibilities.#{visibility}"), I18n.t("statuses.visibilities.#{visibility}_long")], ' - ') }, required: false, hint: false, label: I18n.t('simple_form.labels.defaults.setting_default_privacy')
 
       .fields-group.fields-row__column.fields-row__column-6
-        = ff.input :default_reblog_privacy, collection: Status.selectable_reblog_visibilities, wrapper: :with_label, kmyblue: true, include_blank: false, label_method: lambda { |visibility| safe_join([I18n.t("statuses.visibilities.#{visibility}"), I18n.t("statuses.visibilities.#{visibility}_long")], ' - ') }, required: false, hint: false, label: I18n.t('simple_form.labels.defaults.setting_default_reblog_privacy')
+        = ff.input :default_reblog_privacy, collection: Status.selectable_reblog_visibilities, wrapper: :with_label, kmyblue: true, include_blank: false, label_method: ->(visibility) { safe_join([I18n.t("statuses.visibilities.#{visibility}"), I18n.t("statuses.visibilities.#{visibility}_long")], ' - ') }, required: false, hint: false, label: I18n.t('simple_form.labels.defaults.setting_default_reblog_privacy')
 
     .fields-group
       = ff.input :stay_privacy, wrapper: :with_label, kmyblue: true, label: I18n.t('simple_form.labels.defaults.setting_stay_privacy')
@@ -32,7 +31,7 @@
 
     .fields-row
       .fields-group.fields-row__column.fields-row__column-12
-        = ff.input :default_searchability, collection: Status.selectable_searchabilities, wrapper: :with_label, kmyblue: true, include_blank: false, label_method: lambda { |searchability| safe_join([I18n.t("statuses.searchabilities.#{searchability}"), I18n.t("statuses.searchabilities.#{searchability}_long")], ' - ') }, required: false, hint: false, label: I18n.t('simple_form.labels.defaults.setting_default_searchability'), hint: I18n.t('simple_form.hints.defaults.setting_default_searchability')
+        = ff.input :default_searchability, collection: Status.selectable_searchabilities, wrapper: :with_label, kmyblue: true, include_blank: false, label_method: ->(searchability) { safe_join([I18n.t("statuses.searchabilities.#{searchability}"), I18n.t("statuses.searchabilities.#{searchability}_long")], ' - ') }, required: false, label: I18n.t('simple_form.labels.defaults.setting_default_searchability'), hint: I18n.t('simple_form.hints.defaults.setting_default_searchability')
 
     .fields-group
       = ff.input :disallow_unlisted_public_searchability, wrapper: :with_label, kmyblue: true, label: I18n.t('simple_form.labels.defaults.setting_disallow_unlisted_public_searchability'), hint: I18n.t('simple_form.hints.defaults.setting_disallow_unlisted_public_searchability')
@@ -41,7 +40,7 @@
 
     .fields-row
       .fields-group.fields-row__column.fields-row__column-12
-        = ff.input :default_searchability_of_search, collection: Status.selectable_searchabilities_for_search, wrapper: :with_label, kmyblue: true, include_blank: false, label_method: lambda { |searchability| safe_join([I18n.t("statuses.searchabilities.#{searchability}"), I18n.t("statuses.searchabilities.#{searchability}_search_long")], ' - ') }, required: false, hint: false, label: I18n.t('simple_form.labels.defaults.setting_default_searchability_of_search')
+        = ff.input :default_searchability_of_search, collection: Status.selectable_searchabilities_for_search, wrapper: :with_label, kmyblue: true, include_blank: false, label_method: ->(searchability) { safe_join([I18n.t("statuses.searchabilities.#{searchability}"), I18n.t("statuses.searchabilities.#{searchability}_search_long")], ' - ') }, required: false, hint: false, label: I18n.t('simple_form.labels.defaults.setting_default_searchability_of_search')
 
     .fields-group
       = ff.input :use_public_index, wrapper: :with_label, kmyblue: true, label: I18n.t('simple_form.labels.defaults.setting_use_public_index')
diff --git a/app/views/settings/profiles/show.html.haml b/app/views/settings/profiles/show.html.haml
index 77e7c5be27..ba6169132c 100644
--- a/app/views/settings/profiles/show.html.haml
+++ b/app/views/settings/profiles/show.html.haml
@@ -62,7 +62,7 @@
   %h4= t('edit_profile.other')
 
   .fields-group
-    = f.input :my_actor_type, collection: ['person', 'bot'],label_method: lambda { |item| safe_join([t("simple_form.labels.defaults.#{item}"), content_tag(:span, I18n.t("simple_form.hints.defaults.#{item}"), class: 'hint')]) }, as: :radio_buttons, collection_wrapper_tag: 'ul', item_wrapper_tag: 'li', wrapper: :with_floating_label
+    = f.input :my_actor_type, collection: %w(person bot), label_method: ->(item) { safe_join([t("simple_form.labels.defaults.#{item}"), content_tag(:span, I18n.t("simple_form.hints.defaults.#{item}"), class: 'hint')]) }, as: :radio_buttons, collection_wrapper_tag: 'ul', item_wrapper_tag: 'li', wrapper: :with_floating_label
 
   .actions
     = f.button :button, t('generic.save_changes'), type: :submit