diff --git a/.env.nanobox b/.env.nanobox
index ad941c947c8..51dfdbd58fb 100644
--- a/.env.nanobox
+++ b/.env.nanobox
@@ -202,10 +202,6 @@ SMTP_FROM_ADDRESS=notifications@${APP_NAME}.nanoapp.io
 # Name of the pam service used for checking if an user can register (pam "account" section is evaluated) (nil (disabled) by default)
 # PAM_CONTROLLED_SERVICE=rpam
 
-# Global OAuth settings (optional) :
-# If you have only one strategy, you may want to enable this
-# OAUTH_REDIRECT_AT_SIGN_IN=true
-
 # Optional CAS authentication (cf. omniauth-cas) :
 # CAS_ENABLED=true
 # CAS_URL=https://sso.myserver.com/
diff --git a/app/controllers/api/v1/accounts_controller.rb b/app/controllers/api/v1/accounts_controller.rb
index cbccd64f375..5c47158e02c 100644
--- a/app/controllers/api/v1/accounts_controller.rb
+++ b/app/controllers/api/v1/accounts_controller.rb
@@ -83,10 +83,14 @@ class Api::V1::AccountsController < Api::BaseController
   end
 
   def check_enabled_registrations
-    forbidden if single_user_mode? || !allowed_registrations?
+    forbidden if single_user_mode? || omniauth_only? || !allowed_registrations?
   end
 
   def allowed_registrations?
     Setting.registrations_mode != 'none'
   end
+
+  def omniauth_only?
+    ENV['OMNIAUTH_ONLY'] == 'true'
+  end
 end
diff --git a/app/controllers/auth/registrations_controller.rb b/app/controllers/auth/registrations_controller.rb
index 87f24183ea1..6b1f3fa822a 100644
--- a/app/controllers/auth/registrations_controller.rb
+++ b/app/controllers/auth/registrations_controller.rb
@@ -82,13 +82,17 @@ class Auth::RegistrationsController < Devise::RegistrationsController
   end
 
   def check_enabled_registrations
-    redirect_to root_path if single_user_mode? || !allowed_registrations?
+    redirect_to root_path if single_user_mode? || omniauth_only? || !allowed_registrations?
   end
 
   def allowed_registrations?
     Setting.registrations_mode != 'none' || @invite&.valid_for_use?
   end
 
+  def omniauth_only?
+    ENV['OMNIAUTH_ONLY'] == 'true'
+  end
+
   def invite_code
     if params[:user]
       params[:user][:invite_code]
diff --git a/app/controllers/auth/sessions_controller.rb b/app/controllers/auth/sessions_controller.rb
index ddc87adffdc..8607077f71e 100644
--- a/app/controllers/auth/sessions_controller.rb
+++ b/app/controllers/auth/sessions_controller.rb
@@ -15,14 +15,6 @@ class Auth::SessionsController < Devise::SessionsController
   before_action :set_instance_presenter, only: [:new]
   before_action :set_body_classes
 
-  def new
-    Devise.omniauth_configs.each do |provider, config|
-      return redirect_to(omniauth_authorize_path(resource_name, provider)) if config.strategy.redirect_at_sign_in
-    end
-
-    super
-  end
-
   def create
     super do |resource|
       # We only need to call this if this hasn't already been
@@ -89,14 +81,6 @@ class Auth::SessionsController < Devise::SessionsController
     end
   end
 
-  def after_sign_out_path_for(_resource_or_scope)
-    Devise.omniauth_configs.each_value do |config|
-      return root_path if config.strategy.redirect_at_sign_in
-    end
-
-    super
-  end
-
   def require_no_authentication
     super
 
diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 3fbc418cb75..f4963ce9962 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -50,13 +50,37 @@ module ApplicationHelper
   end
 
   def available_sign_up_path
-    if closed_registrations?
+    if closed_registrations? || omniauth_only?
       'https://joinmastodon.org/#getting-started'
     else
       new_user_registration_path
     end
   end
 
+  def omniauth_only?
+    ENV['OMNIAUTH_ONLY'] == 'true'
+  end
+
+  def link_to_login(name = nil, html_options = nil, &block)
+    target = new_user_session_path
+
+    if omniauth_only? && Devise.mappings[:user].omniauthable? && User.omniauth_providers.size == 1
+      target = omniauth_authorize_path(:user, User.omniauth_providers[0])
+      html_options ||= {}
+      html_options[:method] = :post
+    end
+
+    if block_given?
+      link_to(target, html_options, &block)
+    else
+      link_to(name, target, html_options)
+    end
+  end
+
+  def provider_sign_in_link(provider)
+    link_to I18n.t("auth.providers.#{provider}", default: provider.to_s.chomp('_oauth2').capitalize), omniauth_authorize_path(:user, provider), class: "button button-#{provider}", method: :post
+  end
+
   def open_deletion?
     Setting.open_deletion
   end
diff --git a/app/javascript/mastodon/components/admin/Retention.js b/app/javascript/mastodon/components/admin/Retention.js
index 3a7aaed9d87..47c9e715136 100644
--- a/app/javascript/mastodon/components/admin/Retention.js
+++ b/app/javascript/mastodon/components/admin/Retention.js
@@ -88,7 +88,7 @@ export default class Retention extends React.PureComponent {
               </td>
 
               {data[0].data.slice(1).map((retention, i) => {
-                const average = data.reduce((sum, cohort, k) => cohort.data[i + 1] ? sum + (cohort.data[i + 1].percent - sum)/(k + 1) : sum, 0);
+                const average = data.reduce((sum, cohort, k) => cohort.data[i + 1] ? sum + (cohort.data[i + 1].rate - sum)/(k + 1) : sum, 0);
 
                 return (
                   <td key={retention.date}>
@@ -118,8 +118,8 @@ export default class Retention extends React.PureComponent {
 
                 {cohort.data.slice(1).map(retention => (
                   <td key={retention.date}>
-                    <div className={classNames('retention__table__box', `retention__table__box--${roundTo10(retention.percent * 100)}`)}>
-                      <FormattedNumber value={retention.percent} style='percent' />
+                    <div className={classNames('retention__table__box', `retention__table__box--${roundTo10(retention.rate * 100)}`)}>
+                      <FormattedNumber value={retention.rate} style='percent' />
                     </div>
                   </td>
                 ))}
diff --git a/app/javascript/mastodon/features/compose/components/compose_form.js b/app/javascript/mastodon/features/compose/components/compose_form.js
index 9d8732a8c5f..647d0fba2c6 100644
--- a/app/javascript/mastodon/features/compose/components/compose_form.js
+++ b/app/javascript/mastodon/features/compose/components/compose_form.js
@@ -61,6 +61,7 @@ class ComposeForm extends ImmutablePureComponent {
     onPickEmoji: PropTypes.func.isRequired,
     showSearch: PropTypes.bool,
     anyMedia: PropTypes.bool,
+    isInReply: PropTypes.bool,
     singleColumn: PropTypes.bool,
   };
 
@@ -150,7 +151,7 @@ class ComposeForm extends ImmutablePureComponent {
     if (this.props.focusDate !== prevProps.focusDate) {
       let selectionEnd, selectionStart;
 
-      if (this.props.preselectDate !== prevProps.preselectDate) {
+      if (this.props.preselectDate !== prevProps.preselectDate && this.props.isInReply) {
         selectionEnd   = this.props.text.length;
         selectionStart = this.props.text.search(/\s/) + 1;
       } else if (typeof this.props.caretPosition === 'number') {
diff --git a/app/javascript/mastodon/features/compose/containers/compose_form_container.js b/app/javascript/mastodon/features/compose/containers/compose_form_container.js
index 37a0e8845b4..c44850294d0 100644
--- a/app/javascript/mastodon/features/compose/containers/compose_form_container.js
+++ b/app/javascript/mastodon/features/compose/containers/compose_form_container.js
@@ -25,6 +25,7 @@ const mapStateToProps = state => ({
   isUploading: state.getIn(['compose', 'is_uploading']),
   showSearch: state.getIn(['search', 'submitted']) && !state.getIn(['search', 'hidden']),
   anyMedia: state.getIn(['compose', 'media_attachments']).size > 0,
+  isInReply: state.getIn(['compose', 'in_reply_to']) !== null,
 });
 
 const mapDispatchToProps = (dispatch) => ({
diff --git a/app/lib/admin/metrics/retention.rb b/app/lib/admin/metrics/retention.rb
index 6b9dfde499e..0179a6e282d 100644
--- a/app/lib/admin/metrics/retention.rb
+++ b/app/lib/admin/metrics/retention.rb
@@ -6,7 +6,7 @@ class Admin::Metrics::Retention
   end
 
   class CohortData < ActiveModelSerializers::Model
-    attributes :date, :percent, :value
+    attributes :date, :rate, :value
   end
 
   def initialize(start_at, end_at, frequency)
@@ -59,7 +59,7 @@ class Admin::Metrics::Retention
 
       current_cohort.data << CohortData.new(
         date: row['retention_period'],
-        percent: rate.to_f,
+        rate: rate.to_f,
         value: value.to_s
       )
     end
diff --git a/app/models/account.rb b/app/models/account.rb
index a044da8de94..e41fdf0031b 100644
--- a/app/models/account.rb
+++ b/app/models/account.rb
@@ -429,6 +429,9 @@ class Account < ApplicationRecord
   end
 
   class << self
+    DISALLOWED_TSQUERY_CHARACTERS = /['?\\:‘’]/.freeze
+    TEXTSEARCH = "(setweight(to_tsvector('simple', accounts.display_name), 'A') || setweight(to_tsvector('simple', accounts.username), 'B') || setweight(to_tsvector('simple', coalesce(accounts.domain, '')), 'C'))"
+
     def readonly_attributes
       super - %w(statuses_count following_count followers_count)
     end
@@ -439,70 +442,29 @@ class Account < ApplicationRecord
     end
 
     def search_for(terms, limit = 10, offset = 0)
-      textsearch, query = generate_query_for_search(terms)
+      tsquery = generate_query_for_search(terms)
 
       sql = <<-SQL.squish
         SELECT
           accounts.*,
-          ts_rank_cd(#{textsearch}, #{query}, 32) AS rank
+          ts_rank_cd(#{TEXTSEARCH}, to_tsquery('simple', :tsquery), 32) AS rank
         FROM accounts
-        WHERE #{query} @@ #{textsearch}
+        WHERE to_tsquery('simple', :tsquery) @@ #{TEXTSEARCH}
           AND accounts.suspended_at IS NULL
           AND accounts.moved_to_account_id IS NULL
         ORDER BY rank DESC
-        LIMIT ? OFFSET ?
+        LIMIT :limit OFFSET :offset
       SQL
 
-      records = find_by_sql([sql, limit, offset])
+      records = find_by_sql([sql, limit: limit, offset: offset, tsquery: tsquery])
       ActiveRecord::Associations::Preloader.new.preload(records, :account_stat)
       records
     end
 
     def advanced_search_for(terms, account, limit = 10, following = false, offset = 0)
-      textsearch, query = generate_query_for_search(terms)
-
-      if following
-        sql = <<-SQL.squish
-          WITH first_degree AS (
-            SELECT target_account_id
-            FROM follows
-            WHERE account_id = ?
-            UNION ALL
-            SELECT ?
-          )
-          SELECT
-            accounts.*,
-            (count(f.id) + 1) * ts_rank_cd(#{textsearch}, #{query}, 32) AS rank
-          FROM accounts
-          LEFT OUTER JOIN follows AS f ON (accounts.id = f.account_id AND f.target_account_id = ?)
-          WHERE accounts.id IN (SELECT * FROM first_degree)
-            AND #{query} @@ #{textsearch}
-            AND accounts.suspended_at IS NULL
-            AND accounts.moved_to_account_id IS NULL
-          GROUP BY accounts.id
-          ORDER BY rank DESC
-          LIMIT ? OFFSET ?
-        SQL
-
-        records = find_by_sql([sql, account.id, account.id, account.id, limit, offset])
-      else
-        sql = <<-SQL.squish
-          SELECT
-            accounts.*,
-            (count(f.id) + 1) * ts_rank_cd(#{textsearch}, #{query}, 32) AS rank
-          FROM accounts
-          LEFT OUTER JOIN follows AS f ON (accounts.id = f.account_id AND f.target_account_id = ?) OR (accounts.id = f.target_account_id AND f.account_id = ?)
-          WHERE #{query} @@ #{textsearch}
-            AND accounts.suspended_at IS NULL
-            AND accounts.moved_to_account_id IS NULL
-          GROUP BY accounts.id
-          ORDER BY rank DESC
-          LIMIT ? OFFSET ?
-        SQL
-
-        records = find_by_sql([sql, account.id, account.id, limit, offset])
-      end
-
+      tsquery = generate_query_for_search(terms)
+      sql = advanced_search_for_sql_template(following)
+      records = find_by_sql([sql, id: account.id, limit: limit, offset: offset, tsquery: tsquery])
       ActiveRecord::Associations::Preloader.new.preload(records, :account_stat)
       records
     end
@@ -524,12 +486,55 @@ class Account < ApplicationRecord
 
     private
 
-    def generate_query_for_search(terms)
-      terms      = Arel.sql(connection.quote(terms.gsub(/['?\\:]/, ' ')))
-      textsearch = "(setweight(to_tsvector('simple', accounts.display_name), 'A') || setweight(to_tsvector('simple', accounts.username), 'B') || setweight(to_tsvector('simple', coalesce(accounts.domain, '')), 'C'))"
-      query      = "to_tsquery('simple', ''' ' || #{terms} || ' ''' || ':*')"
+    def generate_query_for_search(unsanitized_terms)
+      terms = unsanitized_terms.gsub(DISALLOWED_TSQUERY_CHARACTERS, ' ')
 
-      [textsearch, query]
+      # The final ":*" is for prefix search.
+      # The trailing space does not seem to fit any purpose, but `to_tsquery`
+      # behaves differently with and without a leading space if the terms start
+      # with `./`, `../`, or `.. `. I don't understand why, so, in doubt, keep
+      # the same query.
+      "' #{terms} ':*"
+    end
+
+    def advanced_search_for_sql_template(following)
+      if following
+        <<-SQL.squish
+          WITH first_degree AS (
+            SELECT target_account_id
+            FROM follows
+            WHERE account_id = :id
+            UNION ALL
+            SELECT :id
+          )
+          SELECT
+            accounts.*,
+            (count(f.id) + 1) * ts_rank_cd(#{TEXTSEARCH}, to_tsquery('simple', :tsquery), 32) AS rank
+          FROM accounts
+          LEFT OUTER JOIN follows AS f ON (accounts.id = f.account_id AND f.target_account_id = :id)
+          WHERE accounts.id IN (SELECT * FROM first_degree)
+            AND to_tsquery('simple', :tsquery) @@ #{TEXTSEARCH}
+            AND accounts.suspended_at IS NULL
+            AND accounts.moved_to_account_id IS NULL
+          GROUP BY accounts.id
+          ORDER BY rank DESC
+          LIMIT :limit OFFSET :offset
+        SQL
+      else
+        <<-SQL.squish
+          SELECT
+            accounts.*,
+            (count(f.id) + 1) * ts_rank_cd(#{TEXTSEARCH}, to_tsquery('simple', :tsquery), 32) AS rank
+          FROM accounts
+          LEFT OUTER JOIN follows AS f ON (accounts.id = f.account_id AND f.target_account_id = :id) OR (accounts.id = f.target_account_id AND f.account_id = :id)
+          WHERE to_tsquery('simple', :tsquery) @@ #{TEXTSEARCH}
+            AND accounts.suspended_at IS NULL
+            AND accounts.moved_to_account_id IS NULL
+          GROUP BY accounts.id
+          ORDER BY rank DESC
+          LIMIT :limit OFFSET :offset
+        SQL
+      end
     end
   end
 
diff --git a/app/models/status.rb b/app/models/status.rb
index d57026354e3..9bb2b3746e5 100644
--- a/app/models/status.rb
+++ b/app/models/status.rb
@@ -103,15 +103,12 @@ class Status < ApplicationRecord
   scope :not_excluded_by_account, ->(account) { where.not(account_id: account.excluded_from_timeline_account_ids) }
   scope :not_domain_blocked_by_account, ->(account) { account.excluded_from_timeline_domains.blank? ? left_outer_joins(:account) : left_outer_joins(:account).where('accounts.domain IS NULL OR accounts.domain NOT IN (?)', account.excluded_from_timeline_domains) }
   scope :tagged_with_all, ->(tag_ids) {
-    Array(tag_ids).reduce(self) do |result, id|
+    Array(tag_ids).map(&:to_i).reduce(self) do |result, id|
       result.joins("INNER JOIN statuses_tags t#{id} ON t#{id}.status_id = statuses.id AND t#{id}.tag_id = #{id}")
     end
   }
   scope :tagged_with_none, ->(tag_ids) {
-    Array(tag_ids).reduce(self) do |result, id|
-      result.joins("LEFT OUTER JOIN statuses_tags t#{id} ON t#{id}.status_id = statuses.id AND t#{id}.tag_id = #{id}")
-            .where("t#{id}.tag_id IS NULL")
-    end
+    where('NOT EXISTS (SELECT * FROM statuses_tags forbidden WHERE forbidden.status_id = statuses.id AND forbidden.tag_id IN (?))', tag_ids)
   }
 
   scope :not_local_only, -> { where(local_only: [false, nil]) }
diff --git a/app/models/user.rb b/app/models/user.rb
index 6673b3d2bd8..e47b5f1352b 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -10,7 +10,6 @@
 #  encrypted_password        :string           default(""), not null
 #  reset_password_token      :string
 #  reset_password_sent_at    :datetime
-#  remember_created_at       :datetime
 #  sign_in_count             :integer          default(0), not null
 #  current_sign_in_at        :datetime
 #  last_sign_in_at           :datetime
@@ -32,7 +31,6 @@
 #  disabled                  :boolean          default(FALSE), not null
 #  moderator                 :boolean          default(FALSE), not null
 #  invite_id                 :bigint(8)
-#  remember_token            :string
 #  chosen_languages          :string           is an Array
 #  created_by_application_id :bigint(8)
 #  approved                  :boolean          default(TRUE), not null
@@ -44,6 +42,11 @@
 #
 
 class User < ApplicationRecord
+  self.ignored_columns = %w(
+    remember_created_at
+    remember_token
+  )
+
   include Settings::Extend
   include UserRoles
 
@@ -329,10 +332,9 @@ class User < ApplicationRecord
   end
 
   def reset_password!
-    # First, change password to something random, invalidate the remember-me token,
-    # and deactivate all sessions
+    # First, change password to something random and deactivate all sessions
     transaction do
-      update(remember_token: nil, remember_created_at: nil, password: SecureRandom.hex)
+      update(password: SecureRandom.hex)
       session_activations.destroy_all
     end
 
diff --git a/app/serializers/rest/admin/cohort_serializer.rb b/app/serializers/rest/admin/cohort_serializer.rb
index 56b35c6991b..f6817361655 100644
--- a/app/serializers/rest/admin/cohort_serializer.rb
+++ b/app/serializers/rest/admin/cohort_serializer.rb
@@ -4,7 +4,7 @@ class REST::Admin::CohortSerializer < ActiveModel::Serializer
   attributes :period, :frequency
 
   class CohortDataSerializer < ActiveModel::Serializer
-    attributes :date, :percent, :value
+    attributes :date, :rate, :value
 
     def date
       object.date.iso8601
diff --git a/app/views/about/_login.html.haml b/app/views/about/_login.html.haml
index fa58f04d736..0f19e816438 100644
--- a/app/views/about/_login.html.haml
+++ b/app/views/about/_login.html.haml
@@ -1,13 +1,22 @@
-= simple_form_for(new_user, url: user_session_path, namespace: 'login') do |f|
-  .fields-group
-    - if use_seamless_external_login?
-      = f.input :email, placeholder: t('simple_form.labels.defaults.username_or_email'), input_html: { 'aria-label' => t('simple_form.labels.defaults.username_or_email') }, hint: false
-    - else
-      = f.input :email, placeholder: t('simple_form.labels.defaults.email'), input_html: { 'aria-label' => t('simple_form.labels.defaults.email') }, hint: false
+- unless omniauth_only?
+  = simple_form_for(new_user, url: user_session_path, namespace: 'login') do |f|
+    .fields-group
+      - if use_seamless_external_login?
+        = f.input :email, placeholder: t('simple_form.labels.defaults.username_or_email'), input_html: { 'aria-label' => t('simple_form.labels.defaults.username_or_email') }, hint: false
+      - else
+        = f.input :email, placeholder: t('simple_form.labels.defaults.email'), input_html: { 'aria-label' => t('simple_form.labels.defaults.email') }, hint: false
 
-    = f.input :password, placeholder: t('simple_form.labels.defaults.password'), input_html: { 'aria-label' => t('simple_form.labels.defaults.password') }, hint: false
+      = f.input :password, placeholder: t('simple_form.labels.defaults.password'), input_html: { 'aria-label' => t('simple_form.labels.defaults.password') }, hint: false
 
-  .actions
-    = f.button :button, t('auth.login'), type: :submit, class: 'button button-primary'
+    .actions
+      = f.button :button, t('auth.login'), type: :submit, class: 'button button-primary'
 
-  %p.hint.subtle-hint= link_to t('auth.trouble_logging_in'), new_user_password_path
+    %p.hint.subtle-hint= link_to t('auth.trouble_logging_in'), new_user_password_path
+
+- if Devise.mappings[:user].omniauthable? and User.omniauth_providers.any?
+  .simple_form.alternative-login
+    %h4= omniauth_only? ? t('auth.log_in_with') : t('auth.or_log_in_with')
+
+    .actions
+      - User.omniauth_providers.each do |provider|
+        = provider_sign_in_link(provider)
diff --git a/app/views/admin/reports/_status.html.haml b/app/views/admin/reports/_status.html.haml
index 924b0e9c255..4e06d4bbf0c 100644
--- a/app/views/admin/reports/_status.html.haml
+++ b/app/views/admin/reports/_status.html.haml
@@ -27,6 +27,9 @@
         ·
       = link_to ActivityPub::TagManager.instance.url_for(status), class: 'detailed-status__datetime', target: stream_link_target, rel: 'noopener noreferrer' do
         %time.formatted{ datetime: status.created_at.iso8601, title: l(status.created_at) }= l(status.created_at)
+      - if status.edited?
+        ·
+        = t('statuses.edited_at', date: l(status.edited_at))
       - if status.discarded?
         ·
         %span.negative-hint= t('admin.statuses.deleted')
diff --git a/app/views/auth/sessions/new.html.haml b/app/views/auth/sessions/new.html.haml
index 9713bdaebfd..a4323d1d9a4 100644
--- a/app/views/auth/sessions/new.html.haml
+++ b/app/views/auth/sessions/new.html.haml
@@ -4,24 +4,25 @@
 - content_for :header_tags do
   = render partial: 'shared/og'
 
-= simple_form_for(resource, as: resource_name, url: session_path(resource_name)) do |f|
-  .fields-group
-    - if use_seamless_external_login?
-      = f.input :email, autofocus: true, wrapper: :with_label, label: t('simple_form.labels.defaults.username_or_email'), input_html: { 'aria-label' => t('simple_form.labels.defaults.username_or_email') }, hint: false
-    - else
-      = f.input :email, autofocus: true, wrapper: :with_label, label: t('simple_form.labels.defaults.email'), input_html: { 'aria-label' => t('simple_form.labels.defaults.email') }, hint: false
-  .fields-group
-    = f.input :password, wrapper: :with_label, label: t('simple_form.labels.defaults.password'), input_html: { 'aria-label' => t('simple_form.labels.defaults.password'), :autocomplete => 'off' }, hint: false
+- unless omniauth_only?
+  = simple_form_for(resource, as: resource_name, url: session_path(resource_name)) do |f|
+    .fields-group
+      - if use_seamless_external_login?
+        = f.input :email, autofocus: true, wrapper: :with_label, label: t('simple_form.labels.defaults.username_or_email'), input_html: { 'aria-label' => t('simple_form.labels.defaults.username_or_email') }, hint: false
+      - else
+        = f.input :email, autofocus: true, wrapper: :with_label, label: t('simple_form.labels.defaults.email'), input_html: { 'aria-label' => t('simple_form.labels.defaults.email') }, hint: false
+    .fields-group
+      = f.input :password, wrapper: :with_label, label: t('simple_form.labels.defaults.password'), input_html: { 'aria-label' => t('simple_form.labels.defaults.password'), :autocomplete => 'off' }, hint: false
 
-  .actions
-    = f.button :button, t('auth.login'), type: :submit
+    .actions
+      = f.button :button, t('auth.login'), type: :submit
 
 - if devise_mapping.omniauthable? and resource_class.omniauth_providers.any?
   .simple_form.alternative-login
-    %h4= t('auth.or_log_in_with')
+    %h4= omniauth_only? ? t('auth.log_in_with') : t('auth.or_log_in_with')
 
     .actions
       - resource_class.omniauth_providers.each do |provider|
-        = link_to t("auth.providers.#{provider}", default: provider.to_s.chomp("_oauth2").capitalize), omniauth_authorize_path(resource_name, provider), class: "button button-#{provider}", method: :post
+        = provider_sign_in_link(provider)
 
 .form-footer= render 'auth/shared/links'
diff --git a/app/views/auth/shared/_links.html.haml b/app/views/auth/shared/_links.html.haml
index 66ed5b93f38..f078e2f7ece 100644
--- a/app/views/auth/shared/_links.html.haml
+++ b/app/views/auth/shared/_links.html.haml
@@ -3,7 +3,7 @@
     %li= link_to t('settings.account_settings'), edit_user_registration_path
   - else
     - if controller_name != 'sessions'
-      %li= link_to t('auth.login'), new_user_session_path
+      %li= link_to_login t('auth.login')
 
     - if controller_name != 'registrations'
       %li= link_to t('auth.register'), available_sign_up_path
diff --git a/app/views/layouts/public.html.haml b/app/views/layouts/public.html.haml
index 57ad5aaf1d8..61198171d4f 100644
--- a/app/views/layouts/public.html.haml
+++ b/app/views/layouts/public.html.haml
@@ -21,7 +21,7 @@
             - if user_signed_in?
               = link_to t('settings.back'), root_url, class: 'nav-link nav-button webapp-btn'
             - else
-              = link_to t('auth.login'), new_user_session_path, class: 'webapp-btn nav-link nav-button'
+              = link_to_login t('auth.login'), class: 'webapp-btn nav-link nav-button'
               = link_to t('auth.register'), available_sign_up_path, class: 'webapp-btn nav-link nav-button'
 
     .container= yield
diff --git a/app/views/statuses/_detailed_status.html.haml b/app/views/statuses/_detailed_status.html.haml
index 6b3b8130672..cd5ed52af4a 100644
--- a/app/views/statuses/_detailed_status.html.haml
+++ b/app/views/statuses/_detailed_status.html.haml
@@ -37,10 +37,15 @@
 
   .detailed-status__meta
     %data.dt-published{ value: status.created_at.to_time.iso8601 }
+    - if status.edited?
+      %data.dt-updated{ value: status.edited_at.to_time.iso8601 }
 
     = link_to ActivityPub::TagManager.instance.url_for(status), class: 'detailed-status__datetime u-url u-uid', target: stream_link_target, rel: 'noopener noreferrer' do
       %time.formatted{ datetime: status.created_at.iso8601, title: l(status.created_at) }= l(status.created_at)
     ·
+    - if status.edited?
+      = t('statuses.edited_at', date: l(status.edited_at))
+      ·
     %span.detailed-status__visibility-icon
       = visibility_icon status
     ·
diff --git a/app/views/statuses/_simple_status.html.haml b/app/views/statuses/_simple_status.html.haml
index a7c78b99744..b1e79a1cc6f 100644
--- a/app/views/statuses/_simple_status.html.haml
+++ b/app/views/statuses/_simple_status.html.haml
@@ -7,6 +7,9 @@
       %span.status__visibility-icon><
         = visibility_icon status
       %time.time-ago{ datetime: status.created_at.iso8601, title: l(status.created_at) }= l(status.created_at)
+      - if status.edited?
+        %abbr{ title: t('statuses.edited_at', date: l(status.edited_at.to_date)) }
+          *
     %data.dt-published{ value: status.created_at.to_time.iso8601 }
 
     .p-author.h-card
diff --git a/app/views/statuses/_status.html.haml b/app/views/statuses/_status.html.haml
index 9f3197d0dbd..3b7152753af 100644
--- a/app/views/statuses/_status.html.haml
+++ b/app/views/statuses/_status.html.haml
@@ -56,6 +56,6 @@
 
 - if include_threads && !embedded_view? && !user_signed_in?
   .entry{ class: entry_classes }
-    = link_to new_user_session_path, class: 'load-more load-gap' do
+    = link_to_login class: 'load-more load-gap' do
       = fa_icon 'comments'
       = t('statuses.sign_in_to_participate')
diff --git a/config/brakeman.ignore b/config/brakeman.ignore
index c032e5412ac..4245b719248 100644
--- a/config/brakeman.ignore
+++ b/config/brakeman.ignore
@@ -60,46 +60,6 @@
       "confidence": "High",
       "note": ""
     },
-    {
-      "warning_type": "SQL Injection",
-      "warning_code": 0,
-      "fingerprint": "6e4051854bb62e2ddbc671f82d6c2328892e1134b8b28105ecba9b0122540714",
-      "check_name": "SQL",
-      "message": "Possible SQL injection",
-      "file": "app/models/account.rb",
-      "line": 484,
-      "link": "https://brakemanscanner.org/docs/warning_types/sql_injection/",
-      "code": "find_by_sql([\"          WITH first_degree AS (\\n            SELECT target_account_id\\n            FROM follows\\n            WHERE account_id = ?\\n            UNION ALL\\n            SELECT ?\\n          )\\n          SELECT\\n            accounts.*,\\n            (count(f.id) + 1) * ts_rank_cd(#{textsearch}, #{query}, 32) AS rank\\n          FROM accounts\\n          LEFT OUTER JOIN follows AS f ON (accounts.id = f.account_id AND f.target_account_id = ?)\\n          WHERE accounts.id IN (SELECT * FROM first_degree)\\n            AND #{query} @@ #{textsearch}\\n            AND accounts.suspended_at IS NULL\\n            AND accounts.moved_to_account_id IS NULL\\n          GROUP BY accounts.id\\n          ORDER BY rank DESC\\n          LIMIT ? OFFSET ?\\n\".squish, account.id, account.id, account.id, limit, offset])",
-      "render_path": null,
-      "location": {
-        "type": "method",
-        "class": "Account",
-        "method": "advanced_search_for"
-      },
-      "user_input": "textsearch",
-      "confidence": "Medium",
-      "note": ""
-    },
-    {
-      "warning_type": "SQL Injection",
-      "warning_code": 0,
-      "fingerprint": "6f075c1484908e3ec9bed21ab7cf3c7866be8da3881485d1c82e13093aefcbd7",
-      "check_name": "SQL",
-      "message": "Possible SQL injection",
-      "file": "app/models/status.rb",
-      "line": 105,
-      "link": "https://brakemanscanner.org/docs/warning_types/sql_injection/",
-      "code": "result.joins(\"LEFT OUTER JOIN statuses_tags t#{id} ON t#{id}.status_id = statuses.id AND t#{id}.tag_id = #{id}\")",
-      "render_path": null,
-      "location": {
-        "type": "method",
-        "class": "Status",
-        "method": null
-      },
-      "user_input": "id",
-      "confidence": "Weak",
-      "note": ""
-    },
     {
       "warning_type": "SQL Injection",
       "warning_code": 0,
@@ -180,26 +140,6 @@
       "confidence": "Medium",
       "note": ""
     },
-    {
-      "warning_type": "SQL Injection",
-      "warning_code": 0,
-      "fingerprint": "9251d682c4e2840e1b2fea91e7d758efe2097ecb7f6255c065e3750d25eb178c",
-      "check_name": "SQL",
-      "message": "Possible SQL injection",
-      "file": "app/models/account.rb",
-      "line": 453,
-      "link": "https://brakemanscanner.org/docs/warning_types/sql_injection/",
-      "code": "find_by_sql([\"        SELECT\\n          accounts.*,\\n          ts_rank_cd(#{textsearch}, #{query}, 32) AS rank\\n        FROM accounts\\n        WHERE #{query} @@ #{textsearch}\\n          AND accounts.suspended_at IS NULL\\n          AND accounts.moved_to_account_id IS NULL\\n        ORDER BY rank DESC\\n        LIMIT ? OFFSET ?\\n\".squish, limit, offset])",
-      "render_path": null,
-      "location": {
-        "type": "method",
-        "class": "Account",
-        "method": "search_for"
-      },
-      "user_input": "textsearch",
-      "confidence": "Medium",
-      "note": ""
-    },
     {
       "warning_type": "Redirect",
       "warning_code": 18,
@@ -270,26 +210,6 @@
       "confidence": "Weak",
       "note": ""
     },
-    {
-      "warning_type": "SQL Injection",
-      "warning_code": 0,
-      "fingerprint": "e21d8fee7a5805761679877ca35ed1029c64c45ef3b4012a30262623e1ba8bb9",
-      "check_name": "SQL",
-      "message": "Possible SQL injection",
-      "file": "app/models/account.rb",
-      "line": 500,
-      "link": "https://brakemanscanner.org/docs/warning_types/sql_injection/",
-      "code": "find_by_sql([\"          SELECT\\n            accounts.*,\\n            (count(f.id) + 1) * ts_rank_cd(#{textsearch}, #{query}, 32) AS rank\\n          FROM accounts\\n          LEFT OUTER JOIN follows AS f ON (accounts.id = f.account_id AND f.target_account_id = ?) OR (accounts.id = f.target_account_id AND f.account_id = ?)\\n          WHERE #{query} @@ #{textsearch}\\n            AND accounts.suspended_at IS NULL\\n            AND accounts.moved_to_account_id IS NULL\\n          GROUP BY accounts.id\\n          ORDER BY rank DESC\\n          LIMIT ? OFFSET ?\\n\".squish, account.id, account.id, limit, offset])",
-      "render_path": null,
-      "location": {
-        "type": "method",
-        "class": "Account",
-        "method": "advanced_search_for"
-      },
-      "user_input": "textsearch",
-      "confidence": "Medium",
-      "note": ""
-    },
     {
       "warning_type": "Mass Assignment",
       "warning_code": 105,
diff --git a/config/initializers/omniauth.rb b/config/initializers/omniauth.rb
index 5039b4c1f03..19d59f1551c 100644
--- a/config/initializers/omniauth.rb
+++ b/config/initializers/omniauth.rb
@@ -5,7 +5,6 @@ end
 Devise.setup do |config|
   # Devise omniauth strategies
   options = {}
-  options[:redirect_at_sign_in] = ENV['OAUTH_REDIRECT_AT_SIGN_IN'] == 'true'
 
   # CAS strategy
   if ENV['CAS_ENABLED'] == 'true'
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 36ac896643f..85aa87c7a64 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -844,6 +844,7 @@ en:
     invalid_reset_password_token: Password reset token is invalid or expired. Please request a new one.
     link_to_otp: Enter a two-factor code from your phone or a recovery code
     link_to_webauth: Use your security key device
+    log_in_with: Log in with
     login: Log in
     logout: Logout
     migrate_account: Move to a different account
@@ -1309,6 +1310,7 @@ en:
     disallowed_hashtags:
       one: 'contained a disallowed hashtag: %{tags}'
       other: 'contained the disallowed hashtags: %{tags}'
+    edited_at: Edited %{date}
     errors:
       in_reply_not_found: The post you are trying to reply to does not appear to exist.
     language_detection: Automatically detect language
diff --git a/db/migrate/20220105163928_remove_mentions_status_id_index.rb b/db/migrate/20220105163928_remove_mentions_status_id_index.rb
new file mode 100644
index 00000000000..56e90371928
--- /dev/null
+++ b/db/migrate/20220105163928_remove_mentions_status_id_index.rb
@@ -0,0 +1,9 @@
+class RemoveMentionsStatusIdIndex < ActiveRecord::Migration[6.1]
+  def up
+    remove_index :mentions, name: :mentions_status_id_index if index_exists?(:mentions, :status_id, name: :mentions_status_id_index)
+  end
+
+  def down
+    # As this index should not exist and is a duplicate of another index, do not re-create it
+  end
+end
diff --git a/db/post_migrate/20220118183010_remove_index_users_on_remember_token.rb b/db/post_migrate/20220118183010_remove_index_users_on_remember_token.rb
new file mode 100644
index 00000000000..367d489de94
--- /dev/null
+++ b/db/post_migrate/20220118183010_remove_index_users_on_remember_token.rb
@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+class RemoveIndexUsersOnRememberToken < ActiveRecord::Migration[6.1]
+  disable_ddl_transaction!
+
+  def up
+    remove_index :users, name: :index_users_on_remember_token
+  end
+
+  def down
+    add_index :users, :remember_token, algorithm: :concurrently, unique: true, name: :index_users_on_remember_token
+  end
+end
diff --git a/db/post_migrate/20220118183123_remove_rememberable_from_users.rb b/db/post_migrate/20220118183123_remove_rememberable_from_users.rb
new file mode 100644
index 00000000000..1e274c6e0bf
--- /dev/null
+++ b/db/post_migrate/20220118183123_remove_rememberable_from_users.rb
@@ -0,0 +1,8 @@
+class RemoveRememberableFromUsers < ActiveRecord::Migration[6.1]
+  def change
+    safety_assured do
+      remove_column :users, :remember_token, :string, null: true, default: nil
+      remove_column :users, :remember_created_at, :datetime, null: true, default: nil
+    end
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 1c07a1a493c..ff28f7a7fb0 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: 2022_01_16_202951) do
+ActiveRecord::Schema.define(version: 2022_01_18_183123) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -939,7 +939,6 @@ ActiveRecord::Schema.define(version: 2022_01_16_202951) do
     t.string "encrypted_password", default: "", null: false
     t.string "reset_password_token"
     t.datetime "reset_password_sent_at"
-    t.datetime "remember_created_at"
     t.integer "sign_in_count", default: 0, null: false
     t.datetime "current_sign_in_at"
     t.datetime "last_sign_in_at"
@@ -961,7 +960,6 @@ ActiveRecord::Schema.define(version: 2022_01_16_202951) do
     t.boolean "disabled", default: false, null: false
     t.boolean "moderator", default: false, null: false
     t.bigint "invite_id"
-    t.string "remember_token"
     t.string "chosen_languages", array: true
     t.bigint "created_by_application_id"
     t.boolean "approved", default: true, null: false
@@ -974,7 +972,6 @@ ActiveRecord::Schema.define(version: 2022_01_16_202951) do
     t.index ["confirmation_token"], name: "index_users_on_confirmation_token", unique: true
     t.index ["created_by_application_id"], name: "index_users_on_created_by_application_id"
     t.index ["email"], name: "index_users_on_email", unique: true
-    t.index ["remember_token"], name: "index_users_on_remember_token", unique: true
     t.index ["reset_password_token"], name: "index_users_on_reset_password_token", unique: true
   end
 
diff --git a/lib/mastodon/maintenance_cli.rb b/lib/mastodon/maintenance_cli.rb
index 47e2d78bb1e..00861df7743 100644
--- a/lib/mastodon/maintenance_cli.rb
+++ b/lib/mastodon/maintenance_cli.rb
@@ -14,7 +14,7 @@ module Mastodon
     end
 
     MIN_SUPPORTED_VERSION = 2019_10_01_213028
-    MAX_SUPPORTED_VERSION = 2021_05_26_193025
+    MAX_SUPPORTED_VERSION = 2022_01_18_183123
 
     # Stubs to enjoy ActiveRecord queries while not depending on a particular
     # version of the code/database
@@ -84,13 +84,14 @@ module Mastodon
 
         owned_classes = [
           Status, StatusPin, MediaAttachment, Poll, Report, Tombstone, Favourite,
-          Follow, FollowRequest, Block, Mute, AccountIdentityProof,
+          Follow, FollowRequest, Block, Mute,
           AccountModerationNote, AccountPin, AccountStat, ListAccount,
           PollVote, Mention
         ]
         owned_classes << AccountDeletionRequest if ActiveRecord::Base.connection.table_exists?(:account_deletion_requests)
         owned_classes << AccountNote if ActiveRecord::Base.connection.table_exists?(:account_notes)
         owned_classes << FollowRecommendationSuppression if ActiveRecord::Base.connection.table_exists?(:follow_recommendation_suppressions)
+        owned_classes << AccountIdentityProof if ActiveRecord::Base.connection.table_exists?(:account_identity_proofs)
 
         owned_classes.each do |klass|
           klass.where(account_id: other_account.id).find_each do |record|
@@ -139,17 +140,22 @@ module Mastodon
       @prompt = TTY::Prompt.new
 
       if ActiveRecord::Migrator.current_version < MIN_SUPPORTED_VERSION
-        @prompt.warn 'Your version of the database schema is too old and is not supported by this script.'
-        @prompt.warn 'Please update to at least Mastodon 3.0.0 before running this script.'
+        @prompt.error 'Your version of the database schema is too old and is not supported by this script.'
+        @prompt.error 'Please update to at least Mastodon 3.0.0 before running this script.'
         exit(1)
       elsif ActiveRecord::Migrator.current_version > MAX_SUPPORTED_VERSION
         @prompt.warn 'Your version of the database schema is more recent than this script, this may cause unexpected errors.'
-        exit(1) unless @prompt.yes?('Continue anyway?')
+        exit(1) unless @prompt.yes?('Continue anyway? (Yes/No)')
+      end
+
+      if Sidekiq::ProcessSet.new.any?
+        @prompt.error 'It seems Sidekiq is running. All Mastodon processes need to be stopped when using this script.'
+        exit(1)
       end
 
       @prompt.warn 'This task will take a long time to run and is potentially destructive.'
       @prompt.warn 'Please make sure to stop Mastodon and have a backup.'
-      exit(1) unless @prompt.yes?('Continue?')
+      exit(1) unless @prompt.yes?('Continue? (Yes/No)')
 
       deduplicate_users!
       deduplicate_account_domain_blocks!
@@ -236,12 +242,14 @@ module Mastodon
         end
       end
 
-      ActiveRecord::Base.connection.select_all("SELECT string_agg(id::text, ',') AS ids FROM users WHERE remember_token IS NOT NULL GROUP BY remember_token HAVING count(*) > 1").each do |row|
-        users = User.where(id: row['ids'].split(',')).sort_by(&:updated_at).reverse.drop(1)
-        @prompt.warn "Unsetting remember token for those accounts: #{users.map(&:account).map(&:acct).join(', ')}"
+      if ActiveRecord::Migrator.current_version < 20220118183010
+        ActiveRecord::Base.connection.select_all("SELECT string_agg(id::text, ',') AS ids FROM users WHERE remember_token IS NOT NULL GROUP BY remember_token HAVING count(*) > 1").each do |row|
+          users = User.where(id: row['ids'].split(',')).sort_by(&:updated_at).reverse.drop(1)
+          @prompt.warn "Unsetting remember token for those accounts: #{users.map(&:account).map(&:acct).join(', ')}"
 
-        users.each do |user|
-          user.update!(remember_token: nil)
+          users.each do |user|
+            user.update!(remember_token: nil)
+          end
         end
       end
 
@@ -257,7 +265,7 @@ module Mastodon
       @prompt.say 'Restoring users indexes…'
       ActiveRecord::Base.connection.add_index :users, ['confirmation_token'], name: 'index_users_on_confirmation_token', unique: true
       ActiveRecord::Base.connection.add_index :users, ['email'], name: 'index_users_on_email', unique: true
-      ActiveRecord::Base.connection.add_index :users, ['remember_token'], name: 'index_users_on_remember_token', unique: true
+      ActiveRecord::Base.connection.add_index :users, ['remember_token'], name: 'index_users_on_remember_token', unique: true if ActiveRecord::Migrator.current_version < 20220118183010
       ActiveRecord::Base.connection.add_index :users, ['reset_password_token'], name: 'index_users_on_reset_password_token', unique: true
     end
 
@@ -274,6 +282,8 @@ module Mastodon
     end
 
     def deduplicate_account_identity_proofs!
+      return unless ActiveRecord::Base.connection.table_exists?(:account_identity_proofs)
+
       remove_index_if_exists!(:account_identity_proofs, 'index_account_proofs_on_account_and_provider_and_username')
 
       @prompt.say 'Removing duplicate account identity proofs…'
diff --git a/lib/tasks/mastodon.rake b/lib/tasks/mastodon.rake
index d905a07dad4..a89af677807 100644
--- a/lib/tasks/mastodon.rake
+++ b/lib/tasks/mastodon.rake
@@ -441,7 +441,7 @@ namespace :mastodon do
 
   namespace :webpush do
     desc 'Generate VAPID key'
-    task generate_vapid_key: :environment do
+    task :generate_vapid_key do
       vapid_key = Webpush.generate_key
       puts "VAPID_PRIVATE_KEY=#{vapid_key.private_key}"
       puts "VAPID_PUBLIC_KEY=#{vapid_key.public_key}"
diff --git a/spec/models/status_spec.rb b/spec/models/status_spec.rb
index c1375ea944e..25c98d508ce 100644
--- a/spec/models/status_spec.rb
+++ b/spec/models/status_spec.rb
@@ -354,6 +354,87 @@ RSpec.describe Status, type: :model do
     end
   end
 
+  describe '.tagged_with' do
+    let(:tag1)     { Fabricate(:tag) }
+    let(:tag2)     { Fabricate(:tag) }
+    let(:tag3)     { Fabricate(:tag) }
+    let!(:status1) { Fabricate(:status, tags: [tag1]) }
+    let!(:status2) { Fabricate(:status, tags: [tag2]) }
+    let!(:status3) { Fabricate(:status, tags: [tag3]) }
+    let!(:status4) { Fabricate(:status, tags: []) }
+    let!(:status5) { Fabricate(:status, tags: [tag1, tag2, tag3]) }
+
+    context 'when given one tag' do
+      it 'returns the expected statuses' do
+        expect(Status.tagged_with([tag1.id]).reorder(:id).pluck(:id).uniq).to eq [status1.id, status5.id]
+        expect(Status.tagged_with([tag2.id]).reorder(:id).pluck(:id).uniq).to eq [status2.id, status5.id]
+        expect(Status.tagged_with([tag3.id]).reorder(:id).pluck(:id).uniq).to eq [status3.id, status5.id]
+      end
+    end
+
+    context 'when given multiple tags' do
+      it 'returns the expected statuses' do
+        expect(Status.tagged_with([tag1.id, tag2.id]).reorder(:id).pluck(:id).uniq).to eq [status1.id, status2.id, status5.id]
+        expect(Status.tagged_with([tag1.id, tag3.id]).reorder(:id).pluck(:id).uniq).to eq [status1.id, status3.id, status5.id]
+        expect(Status.tagged_with([tag2.id, tag3.id]).reorder(:id).pluck(:id).uniq).to eq [status2.id, status3.id, status5.id]
+      end
+    end
+  end
+
+  describe '.tagged_with_all' do
+    let(:tag1)     { Fabricate(:tag) }
+    let(:tag2)     { Fabricate(:tag) }
+    let(:tag3)     { Fabricate(:tag) }
+    let!(:status1) { Fabricate(:status, tags: [tag1]) }
+    let!(:status2) { Fabricate(:status, tags: [tag2]) }
+    let!(:status3) { Fabricate(:status, tags: [tag3]) }
+    let!(:status4) { Fabricate(:status, tags: []) }
+    let!(:status5) { Fabricate(:status, tags: [tag1, tag2]) }
+
+    context 'when given one tag' do
+      it 'returns the expected statuses' do
+        expect(Status.tagged_with_all([tag1.id]).reorder(:id).pluck(:id).uniq).to eq [status1.id, status5.id]
+        expect(Status.tagged_with_all([tag2.id]).reorder(:id).pluck(:id).uniq).to eq [status2.id, status5.id]
+        expect(Status.tagged_with_all([tag3.id]).reorder(:id).pluck(:id).uniq).to eq [status3.id]
+      end
+    end
+
+    context 'when given multiple tags' do
+      it 'returns the expected statuses' do
+        expect(Status.tagged_with_all([tag1.id, tag2.id]).reorder(:id).pluck(:id).uniq).to eq [status5.id]
+        expect(Status.tagged_with_all([tag1.id, tag3.id]).reorder(:id).pluck(:id).uniq).to eq []
+        expect(Status.tagged_with_all([tag2.id, tag3.id]).reorder(:id).pluck(:id).uniq).to eq []
+      end
+    end
+  end
+
+  describe '.tagged_with_none' do
+    let(:tag1)     { Fabricate(:tag) }
+    let(:tag2)     { Fabricate(:tag) }
+    let(:tag3)     { Fabricate(:tag) }
+    let!(:status1) { Fabricate(:status, tags: [tag1]) }
+    let!(:status2) { Fabricate(:status, tags: [tag2]) }
+    let!(:status3) { Fabricate(:status, tags: [tag3]) }
+    let!(:status4) { Fabricate(:status, tags: []) }
+    let!(:status5) { Fabricate(:status, tags: [tag1, tag2, tag3]) }
+
+    context 'when given one tag' do
+      it 'returns the expected statuses' do
+        expect(Status.tagged_with_none([tag1.id]).reorder(:id).pluck(:id).uniq).to eq [status2.id, status3.id, status4.id]
+        expect(Status.tagged_with_none([tag2.id]).reorder(:id).pluck(:id).uniq).to eq [status1.id, status3.id, status4.id]
+        expect(Status.tagged_with_none([tag3.id]).reorder(:id).pluck(:id).uniq).to eq [status1.id, status2.id, status4.id]
+      end
+    end
+
+    context 'when given multiple tags' do
+      it 'returns the expected statuses' do
+        expect(Status.tagged_with_none([tag1.id, tag2.id]).reorder(:id).pluck(:id).uniq).to eq [status3.id, status4.id]
+        expect(Status.tagged_with_none([tag1.id, tag3.id]).reorder(:id).pluck(:id).uniq).to eq [status2.id, status4.id]
+        expect(Status.tagged_with_none([tag2.id, tag3.id]).reorder(:id).pluck(:id).uniq).to eq [status1.id, status4.id]
+      end
+    end
+  end
+
   describe '.permitted_for' do
     subject { described_class.permitted_for(target_account, account).pluck(:visibility) }