diff --git a/app/controllers/api/v1/reports_controller.rb b/app/controllers/api/v1/reports_controller.rb
index 8ff6c8fe5..300c9faa3 100644
--- a/app/controllers/api/v1/reports_controller.rb
+++ b/app/controllers/api/v1/reports_controller.rb
@@ -23,6 +23,6 @@ class Api::V1::ReportsController < Api::BaseController
   end
 
   def report_params
-    params.permit(:account_id, :comment, :category, :forward, status_ids: [], rule_ids: [])
+    params.permit(:account_id, :comment, :category, :forward, forward_to_domains: [], status_ids: [], rule_ids: [])
   end
 end
diff --git a/app/helpers/accounts_helper.rb b/app/helpers/accounts_helper.rb
index b8277ee17..e16458d7d 100644
--- a/app/helpers/accounts_helper.rb
+++ b/app/helpers/accounts_helper.rb
@@ -22,7 +22,7 @@ module AccountsHelper
   def account_action_button(account)
     return if account.memorial? || account.moved?
 
-    link_to ActivityPub::TagManager.instance.url_for(account), class: 'button logo-button', target: '_new' do
+    link_to ActivityPub::TagManager.instance.url_for(account), class: 'button', target: '_new' do
       safe_join([logo_as_symbol, t('accounts.follow')])
     end
   end
diff --git a/app/javascript/mastodon/features/account/components/header.jsx b/app/javascript/mastodon/features/account/components/header.jsx
index d95184cdb..ececb86c0 100644
--- a/app/javascript/mastodon/features/account/components/header.jsx
+++ b/app/javascript/mastodon/features/account/components/header.jsx
@@ -264,14 +264,14 @@ class Header extends ImmutablePureComponent {
       if (signedIn && !account.get('relationship')) { // Wait until the relationship is loaded
         actionBtn = '';
       } else if (account.getIn(['relationship', 'requested'])) {
-        actionBtn = <Button className={classNames('logo-button', { 'button--with-bell': bellBtn !== '' })} text={intl.formatMessage(messages.cancel_follow_request)} title={intl.formatMessage(messages.requested)} onClick={this.props.onFollow} />;
+        actionBtn = <Button className={classNames({ 'button--with-bell': bellBtn !== '' })} text={intl.formatMessage(messages.cancel_follow_request)} title={intl.formatMessage(messages.requested)} onClick={this.props.onFollow} />;
       } else if (!account.getIn(['relationship', 'blocking'])) {
-        actionBtn = <Button disabled={account.getIn(['relationship', 'blocked_by'])} className={classNames('logo-button', { 'button--destructive': account.getIn(['relationship', 'following']), 'button--with-bell': bellBtn !== '' })} text={intl.formatMessage(account.getIn(['relationship', 'following']) ? messages.unfollow : messages.follow)} onClick={signedIn ? this.props.onFollow : this.props.onInteractionModal} />;
+        actionBtn = <Button disabled={account.getIn(['relationship', 'blocked_by'])} className={classNames({ 'button--destructive': account.getIn(['relationship', 'following']), 'button--with-bell': bellBtn !== '' })} text={intl.formatMessage(account.getIn(['relationship', 'following']) ? messages.unfollow : messages.follow)} onClick={signedIn ? this.props.onFollow : this.props.onInteractionModal} />;
       } else if (account.getIn(['relationship', 'blocking'])) {
-        actionBtn = <Button className='logo-button' text={intl.formatMessage(messages.unblock, { name: account.get('username') })} onClick={this.props.onBlock} />;
+        actionBtn = <Button text={intl.formatMessage(messages.unblock, { name: account.get('username') })} onClick={this.props.onBlock} />;
       }
     } else {
-      actionBtn = <Button className='logo-button' text={intl.formatMessage(messages.edit_profile)} onClick={this.openEditProfile} />;
+      actionBtn = <Button text={intl.formatMessage(messages.edit_profile)} onClick={this.openEditProfile} />;
     }
 
     if (account.get('moved') && !account.getIn(['relationship', 'following'])) {
diff --git a/app/javascript/mastodon/features/directory/components/account_card.jsx b/app/javascript/mastodon/features/directory/components/account_card.jsx
index 795979530..0306b63d3 100644
--- a/app/javascript/mastodon/features/directory/components/account_card.jsx
+++ b/app/javascript/mastodon/features/directory/components/account_card.jsx
@@ -160,16 +160,16 @@ class AccountCard extends ImmutablePureComponent {
       if (!account.get('relationship')) { // Wait until the relationship is loaded
         actionBtn = '';
       } else if (account.getIn(['relationship', 'requested'])) {
-        actionBtn = <Button className={classNames('logo-button')} text={intl.formatMessage(messages.cancel_follow_request)} title={intl.formatMessage(messages.requested)} onClick={this.handleFollow} />;
+        actionBtn = <Button  text={intl.formatMessage(messages.cancel_follow_request)} title={intl.formatMessage(messages.requested)} onClick={this.handleFollow} />;
       } else if (account.getIn(['relationship', 'muting'])) {
-        actionBtn = <Button className='logo-button' text={intl.formatMessage(messages.unmute)} onClick={this.handleMute} />;
+        actionBtn = <Button  text={intl.formatMessage(messages.unmute)} onClick={this.handleMute} />;
       } else if (!account.getIn(['relationship', 'blocking'])) {
-        actionBtn = <Button disabled={account.getIn(['relationship', 'blocked_by'])} className={classNames('logo-button', { 'button--destructive': account.getIn(['relationship', 'following']) })} text={intl.formatMessage(account.getIn(['relationship', 'following']) ? messages.unfollow : messages.follow)} onClick={this.handleFollow} />;
+        actionBtn = <Button disabled={account.getIn(['relationship', 'blocked_by'])} className={classNames({ 'button--destructive': account.getIn(['relationship', 'following']) })} text={intl.formatMessage(account.getIn(['relationship', 'following']) ? messages.unfollow : messages.follow)} onClick={this.handleFollow} />;
       } else if (account.getIn(['relationship', 'blocking'])) {
-        actionBtn = <Button className='logo-button' text={intl.formatMessage(messages.unblock)} onClick={this.handleBlock} />;
+        actionBtn = <Button  text={intl.formatMessage(messages.unblock)} onClick={this.handleBlock} />;
       }
     } else {
-      actionBtn = <Button className='logo-button' text={intl.formatMessage(messages.edit_profile)} onClick={this.handleEditProfile} />;
+      actionBtn = <Button  text={intl.formatMessage(messages.edit_profile)} onClick={this.handleEditProfile} />;
     }
 
     return (
diff --git a/app/javascript/mastodon/features/explore/statuses.jsx b/app/javascript/mastodon/features/explore/statuses.jsx
index 3271929db..043492fb8 100644
--- a/app/javascript/mastodon/features/explore/statuses.jsx
+++ b/app/javascript/mastodon/features/explore/statuses.jsx
@@ -52,6 +52,7 @@ class Statuses extends PureComponent {
 
         <StatusList
           trackScroll
+          timelineId='explore'
           statusIds={statusIds}
           scrollKey='explore-statuses'
           hasMore={hasMore}
diff --git a/app/javascript/mastodon/features/report/comment.jsx b/app/javascript/mastodon/features/report/comment.jsx
index 4888b76bc..98ac4caa0 100644
--- a/app/javascript/mastodon/features/report/comment.jsx
+++ b/app/javascript/mastodon/features/report/comment.jsx
@@ -1,87 +1,121 @@
 import PropTypes from 'prop-types';
-import { PureComponent } from 'react';
+import { useCallback, useEffect, useRef } from 'react';
 
-import { injectIntl, defineMessages, FormattedMessage } from 'react-intl';
+import { useIntl, defineMessages, FormattedMessage } from 'react-intl';
+
+import { OrderedSet, List as ImmutableList } from 'immutable';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import { shallowEqual } from 'react-redux';
+import { createSelector } from 'reselect';
 
 import Toggle from 'react-toggle';
 
+import { fetchAccount } from 'mastodon/actions/accounts';
 import Button from 'mastodon/components/button';
+import { useAppDispatch, useAppSelector } from 'mastodon/store';
 
 const messages = defineMessages({
   placeholder: { id: 'report.placeholder', defaultMessage: 'Type or paste additional comments' },
 });
 
-class Comment extends PureComponent {
+const selectRepliedToAccountIds = createSelector(
+  [
+    (state) => state.get('statuses'),
+    (_, statusIds) => statusIds,
+  ],
+  (statusesMap, statusIds) => statusIds.map((statusId) => statusesMap.getIn([statusId, 'in_reply_to_account_id'])),
+  {
+    resultEqualityCheck: shallowEqual,
+  }
+);
 
-  static propTypes = {
-    onSubmit: PropTypes.func.isRequired,
-    comment: PropTypes.string.isRequired,
-    onChangeComment: PropTypes.func.isRequired,
-    intl: PropTypes.object.isRequired,
-    isSubmitting: PropTypes.bool,
-    forward: PropTypes.bool,
-    isRemote: PropTypes.bool,
-    domain: PropTypes.string,
-    onChangeForward: PropTypes.func.isRequired,
-  };
+const Comment = ({ comment, domain, statusIds, isRemote, isSubmitting, selectedDomains, onSubmit, onChangeComment, onToggleDomain }) => {
+  const intl = useIntl();
 
-  handleClick = () => {
-    const { onSubmit } = this.props;
-    onSubmit();
-  };
+  const dispatch = useAppDispatch();
+  const loadedRef = useRef(false);
 
-  handleChange = e => {
-    const { onChangeComment } = this.props;
-    onChangeComment(e.target.value);
-  };
+  const handleClick = useCallback(() => onSubmit(), [onSubmit]);
+  const handleChange = useCallback((e) => onChangeComment(e.target.value), [onChangeComment]);
+  const handleToggleDomain = useCallback(e => onToggleDomain(e.target.value, e.target.checked), [onToggleDomain]);
 
-  handleKeyDown = e => {
+  const handleKeyDown = useCallback((e) => {
     if (e.keyCode === 13 && (e.ctrlKey || e.metaKey)) {
-      this.handleClick();
+      handleClick();
     }
-  };
+  }, [handleClick]);
 
-  handleForwardChange = e => {
-    const { onChangeForward } = this.props;
-    onChangeForward(e.target.checked);
-  };
+  // Memoize accountIds since we don't want it to trigger `useEffect` on each render
+  const accountIds = useAppSelector((state) => domain ? selectRepliedToAccountIds(state, statusIds) : ImmutableList());
 
-  render () {
-    const { comment, isRemote, forward, domain, isSubmitting, intl } = this.props;
+  // While we could memoize `availableDomains`, it is pretty inexpensive to recompute
+  const accountsMap = useAppSelector((state) => state.get('accounts'));
+  const availableDomains = domain ? OrderedSet([domain]).union(accountIds.map((accountId) => accountsMap.getIn([accountId, 'acct'], '').split('@')[1]).filter(domain => !!domain)) : OrderedSet();
 
-    return (
-      <>
-        <h3 className='report-dialog-modal__title'><FormattedMessage id='report.comment.title' defaultMessage='Is there anything else you think we should know?' /></h3>
+  useEffect(() => {
+    if (loadedRef.current) {
+      return;
+    }
 
-        <textarea
-          className='report-dialog-modal__textarea'
-          placeholder={intl.formatMessage(messages.placeholder)}
-          value={comment}
-          onChange={this.handleChange}
-          onKeyDown={this.handleKeyDown}
-          disabled={isSubmitting}
-        />
+    loadedRef.current = true;
 
-        {isRemote && (
-          <>
-            <p className='report-dialog-modal__lead'><FormattedMessage id='report.forward_hint' defaultMessage='The account is from another server. Send an anonymized copy of the report there as well?' /></p>
+    // First, pre-select known domains
+    availableDomains.forEach((domain) => {
+      onToggleDomain(domain, true);
+    });
 
-            <label className='report-dialog-modal__toggle'>
-              <Toggle checked={forward} disabled={isSubmitting} onChange={this.handleForwardChange} />
+    // Then, fetch missing replied-to accounts
+    const unknownAccounts = OrderedSet(accountIds.filter(accountId => accountId && !accountsMap.has(accountId)));
+    unknownAccounts.forEach((accountId) => {
+      dispatch(fetchAccount(accountId));
+    });
+  });
+
+  return (
+    <>
+      <h3 className='report-dialog-modal__title'><FormattedMessage id='report.comment.title' defaultMessage='Is there anything else you think we should know?' /></h3>
+
+      <textarea
+        className='report-dialog-modal__textarea'
+        placeholder={intl.formatMessage(messages.placeholder)}
+        value={comment}
+        onChange={handleChange}
+        onKeyDown={handleKeyDown}
+        disabled={isSubmitting}
+      />
+
+      {isRemote && (
+        <>
+          <p className='report-dialog-modal__lead'><FormattedMessage id='report.forward_hint' defaultMessage='The account is from another server. Send an anonymized copy of the report there as well?' /></p>
+
+          { availableDomains.map((domain) => (
+            <label className='report-dialog-modal__toggle' key={`toggle-${domain}`}>
+              <Toggle checked={selectedDomains.includes(domain)} disabled={isSubmitting} onChange={handleToggleDomain} value={domain} />
               <FormattedMessage id='report.forward' defaultMessage='Forward to {target}' values={{ target: domain }} />
             </label>
-          </>
-        )}
+          ))}
+        </>
+      )}
 
-        <div className='flex-spacer' />
-
-        <div className='report-dialog-modal__actions'>
-          <Button onClick={this.handleClick} disabled={isSubmitting}><FormattedMessage id='report.submit' defaultMessage='Submit report' /></Button>
-        </div>
-      </>
-    );
-  }
+      <div className='flex-spacer' />
 
+      <div className='report-dialog-modal__actions'>
+        <Button onClick={handleClick} disabled={isSubmitting}><FormattedMessage id='report.submit' defaultMessage='Submit report' /></Button>
+      </div>
+    </>
+  );
 }
 
-export default injectIntl(Comment);
+Comment.propTypes = {
+  comment: PropTypes.string.isRequired,
+  domain: PropTypes.string,
+  statusIds: ImmutablePropTypes.list.isRequired,
+  isRemote: PropTypes.bool,
+  isSubmitting: PropTypes.bool,
+  selectedDomains: ImmutablePropTypes.set.isRequired,
+  onSubmit: PropTypes.func.isRequired,
+  onChangeComment: PropTypes.func.isRequired,
+  onToggleDomain: PropTypes.func.isRequired,
+};
+
+export default Comment;
diff --git a/app/javascript/mastodon/features/ui/components/report_modal.jsx b/app/javascript/mastodon/features/ui/components/report_modal.jsx
index 9958df618..7ed574258 100644
--- a/app/javascript/mastodon/features/ui/components/report_modal.jsx
+++ b/app/javascript/mastodon/features/ui/components/report_modal.jsx
@@ -45,25 +45,26 @@ class ReportModal extends ImmutablePureComponent {
   state = {
     step: 'category',
     selectedStatusIds: OrderedSet(this.props.statusId ? [this.props.statusId] : []),
+    selectedDomains: OrderedSet(),
     comment: '',
     category: null,
     selectedRuleIds: OrderedSet(),
-    forward: true,
     isSubmitting: false,
     isSubmitted: false,
   };
 
   handleSubmit = () => {
     const { dispatch, accountId } = this.props;
-    const { selectedStatusIds, comment, category, selectedRuleIds, forward } = this.state;
+    const { selectedStatusIds, selectedDomains, comment, category, selectedRuleIds } = this.state;
 
     this.setState({ isSubmitting: true });
 
     dispatch(submitReport({
       account_id: accountId,
       status_ids: selectedStatusIds.toArray(),
+      selected_domains: selectedDomains.toArray(),
       comment,
-      forward,
+      forward: selectedDomains.size > 0,
       category,
       rule_ids: selectedRuleIds.toArray(),
     }, this.handleSuccess, this.handleFail));
@@ -87,13 +88,19 @@ class ReportModal extends ImmutablePureComponent {
     }
   };
 
-  handleRuleToggle = (ruleId, checked) => {
-    const { selectedRuleIds } = this.state;
-
+  handleDomainToggle = (domain, checked) => {
     if (checked) {
-      this.setState({ selectedRuleIds: selectedRuleIds.add(ruleId) });
+      this.setState((state) => ({ selectedDomains: state.selectedDomains.add(domain) }));
     } else {
-      this.setState({ selectedRuleIds: selectedRuleIds.remove(ruleId) });
+      this.setState((state) => ({ selectedDomains: state.selectedDomains.remove(domain) }));
+    }
+  };
+
+  handleRuleToggle = (ruleId, checked) => {
+    if (checked) {
+      this.setState((state) => ({ selectedRuleIds: state.selectedRuleIds.add(ruleId) }));
+    } else {
+      this.setState((state) => ({ selectedRuleIds: state.selectedRuleIds.remove(ruleId) }));
     }
   };
 
@@ -105,10 +112,6 @@ class ReportModal extends ImmutablePureComponent {
     this.setState({ comment });
   };
 
-  handleChangeForward = forward => {
-    this.setState({ forward });
-  };
-
   handleNextStep = step => {
     this.setState({ step });
   };
@@ -136,8 +139,8 @@ class ReportModal extends ImmutablePureComponent {
       step,
       selectedStatusIds,
       selectedRuleIds,
+      selectedDomains,
       comment,
-      forward,
       category,
       isSubmitting,
       isSubmitted,
@@ -185,10 +188,11 @@ class ReportModal extends ImmutablePureComponent {
           isSubmitting={isSubmitting}
           isRemote={isRemote}
           comment={comment}
-          forward={forward}
           domain={domain}
           onChangeComment={this.handleChangeComment}
-          onChangeForward={this.handleChangeForward}
+          statusIds={selectedStatusIds}
+          selectedDomains={selectedDomains}
+          onToggleDomain={this.handleDomainToggle}
         />
       );
       break;
diff --git a/app/javascript/styles/mastodon-light/diff.scss b/app/javascript/styles/mastodon-light/diff.scss
index 9f33a5c9c..f7835ac2f 100644
--- a/app/javascript/styles/mastodon-light/diff.scss
+++ b/app/javascript/styles/mastodon-light/diff.scss
@@ -627,14 +627,6 @@ html {
   }
 }
 
-.button.logo-button {
-  color: $white;
-
-  svg {
-    fill: $white;
-  }
-}
-
 .notification__filter-bar button.active::after,
 .account__section-headline a.active::after {
   border-color: transparent transparent $white;
diff --git a/app/javascript/styles/mastodon/components.scss b/app/javascript/styles/mastodon/components.scss
index e1af246a8..24490bb34 100644
--- a/app/javascript/styles/mastodon/components.scss
+++ b/app/javascript/styles/mastodon/components.scss
@@ -1670,10 +1670,6 @@ a.account__display-name {
   color: inherit;
 }
 
-.detailed-status .button.logo-button {
-  margin-bottom: 15px;
-}
-
 .detailed-status__display-name {
   color: $darker-text-color;
   display: flex;
@@ -5784,6 +5780,7 @@ a.status-card.compact:hover {
   &__toggle {
     display: flex;
     align-items: center;
+    margin-bottom: 10px;
 
     & > span {
       font-size: 17px;
diff --git a/app/javascript/styles/mastodon/statuses.scss b/app/javascript/styles/mastodon/statuses.scss
index 590d03fb8..e093bdf97 100644
--- a/app/javascript/styles/mastodon/statuses.scss
+++ b/app/javascript/styles/mastodon/statuses.scss
@@ -77,66 +77,6 @@
   }
 }
 
-.button.logo-button {
-  flex: 0 auto;
-  font-size: 14px;
-  background: darken($ui-highlight-color, 2%);
-  color: $primary-text-color;
-  text-transform: none;
-  line-height: 1.2;
-  height: auto;
-  min-height: 36px;
-  min-width: 88px;
-  white-space: normal;
-  overflow-wrap: break-word;
-  hyphens: auto;
-  padding: 0 15px;
-  border: 0;
-
-  svg {
-    width: 20px;
-    height: auto;
-    vertical-align: middle;
-    margin-inline-end: 5px;
-    fill: $primary-text-color;
-  }
-
-  &:active,
-  &:focus,
-  &:hover {
-    background: $ui-highlight-color;
-  }
-
-  &:disabled,
-  &.disabled {
-    &:active,
-    &:focus,
-    &:hover {
-      background: $ui-primary-color;
-    }
-  }
-
-  &.button--destructive {
-    &:active,
-    &:focus,
-    &:hover {
-      background: $error-red;
-    }
-  }
-
-  @media screen and (max-width: $no-gap-breakpoint) {
-    svg {
-      display: none;
-    }
-  }
-}
-
-a.button.logo-button {
-  display: inline-flex;
-  align-items: center;
-  justify-content: center;
-}
-
 .embed {
   .status__content[data-spoiler='folded'] {
     .e-content {
diff --git a/app/mailers/notification_mailer.rb b/app/mailers/notification_mailer.rb
index 7cd3bab1a..277612366 100644
--- a/app/mailers/notification_mailer.rb
+++ b/app/mailers/notification_mailer.rb
@@ -1,83 +1,76 @@
 # frozen_string_literal: true
 
 class NotificationMailer < ApplicationMailer
-  helper :accounts
-  helper :statuses
+  helper :accounts,
+         :statuses,
+         :routing
 
-  helper RoutingHelper
+  before_action :process_params
+  before_action :set_status, only: [:mention, :favourite, :reblog]
+  before_action :set_account, only: [:follow, :favourite, :reblog, :follow_request]
 
-  def mention(recipient, notification)
-    @me     = recipient
-    @user   = recipient.user
-    @type   = 'mention'
-    @status = notification.target_status
+  default to: -> { email_address_with_name(@user.email, @me.username) }
 
+  def mention
     return unless @user.functional? && @status.present?
 
     locale_for_account(@me) do
       thread_by_conversation(@status.conversation)
-      mail to: email_address_with_name(@user.email, @me.username), subject: I18n.t('notification_mailer.mention.subject', name: @status.account.acct)
+      mail subject: default_i18n_subject(name: @status.account.acct)
     end
   end
 
-  def follow(recipient, notification)
-    @me      = recipient
-    @user    = recipient.user
-    @type    = 'follow'
-    @account = notification.from_account
-
+  def follow
     return unless @user.functional?
 
     locale_for_account(@me) do
-      mail to: email_address_with_name(@user.email, @me.username), subject: I18n.t('notification_mailer.follow.subject', name: @account.acct)
+      mail subject: default_i18n_subject(name: @account.acct)
     end
   end
 
-  def favourite(recipient, notification)
-    @me      = recipient
-    @user    = recipient.user
-    @type    = 'favourite'
-    @account = notification.from_account
-    @status  = notification.target_status
-
+  def favourite
     return unless @user.functional? && @status.present?
 
     locale_for_account(@me) do
       thread_by_conversation(@status.conversation)
-      mail to: email_address_with_name(@user.email, @me.username), subject: I18n.t('notification_mailer.favourite.subject', name: @account.acct)
+      mail subject: default_i18n_subject(name: @account.acct)
     end
   end
 
-  def reblog(recipient, notification)
-    @me      = recipient
-    @user    = recipient.user
-    @type    = 'reblog'
-    @account = notification.from_account
-    @status  = notification.target_status
-
+  def reblog
     return unless @user.functional? && @status.present?
 
     locale_for_account(@me) do
       thread_by_conversation(@status.conversation)
-      mail to: email_address_with_name(@user.email, @me.username), subject: I18n.t('notification_mailer.reblog.subject', name: @account.acct)
+      mail subject: default_i18n_subject(name: @account.acct)
     end
   end
 
-  def follow_request(recipient, notification)
-    @me      = recipient
-    @user    = recipient.user
-    @type    = 'follow_request'
-    @account = notification.from_account
-
+  def follow_request
     return unless @user.functional?
 
     locale_for_account(@me) do
-      mail to: email_address_with_name(@user.email, @me.username), subject: I18n.t('notification_mailer.follow_request.subject', name: @account.acct)
+      mail subject: default_i18n_subject(name: @account.acct)
     end
   end
 
   private
 
+  def process_params
+    @notification = params[:notification]
+    @me = params[:recipient]
+    @user = @me.user
+    @type = action_name
+  end
+
+  def set_status
+    @status = @notification.target_status
+  end
+
+  def set_account
+    @account = @notification.from_account
+  end
+
   def thread_by_conversation(conversation)
     return if conversation.nil?
 
diff --git a/app/services/account_search_service.rb b/app/services/account_search_service.rb
index 3c9e73c12..57e01c091 100644
--- a/app/services/account_search_service.rb
+++ b/app/services/account_search_service.rb
@@ -133,8 +133,12 @@ class AccountSearchService < BaseService
   end
 
   def must_clause
-    fields = %w(username username.* display_name display_name.*)
-    fields << 'text' << 'text.*' if options[:use_searchable_text]
+    if options[:start_with_hashtag]
+      fields = %w(text text.*)
+    else
+      fields = %w(username username.* display_name display_name.*)
+      fields << 'text' << 'text.*' if options[:use_searchable_text]
+    end
 
     [
       {
diff --git a/app/services/activitypub/process_account_service.rb b/app/services/activitypub/process_account_service.rb
index ca0083b16..8d49527b3 100644
--- a/app/services/activitypub/process_account_service.rb
+++ b/app/services/activitypub/process_account_service.rb
@@ -76,6 +76,9 @@ class ActivityPub::ProcessAccountService < BaseService
     @account.suspended_at      = domain_block.created_at if auto_suspend?
     @account.suspension_origin = :local if auto_suspend?
     @account.silenced_at       = domain_block.created_at if auto_silence?
+
+    set_immediate_protocol_attributes!
+
     @account.save
   end
 
diff --git a/app/services/notify_service.rb b/app/services/notify_service.rb
index ad9e6e3d6..06b48d558 100644
--- a/app/services/notify_service.rb
+++ b/app/services/notify_service.rb
@@ -162,7 +162,12 @@ class NotifyService < BaseService
   end
 
   def send_email!
-    NotificationMailer.public_send(@notification.type, @recipient, @notification).deliver_later(wait: 2.minutes) if NotificationMailer.respond_to?(@notification.type)
+    return unless NotificationMailer.respond_to?(@notification.type)
+
+    NotificationMailer
+      .with(recipient: @recipient, notification: @notification)
+      .public_send(@notification.type)
+      .deliver_later(wait: 2.minutes)
   end
 
   def email_needed?
diff --git a/app/services/report_service.rb b/app/services/report_service.rb
index 39ebd5cd8..22d788d54 100644
--- a/app/services/report_service.rb
+++ b/app/services/report_service.rb
@@ -16,7 +16,11 @@ class ReportService < BaseService
 
     create_report!
     notify_staff!
-    forward_to_origin! if forward?
+
+    if forward?
+      forward_to_origin!
+      forward_to_replied_to!
+    end
 
     @report
   end
@@ -29,7 +33,7 @@ class ReportService < BaseService
       status_ids: reported_status_ids,
       comment: @comment,
       uri: @options[:uri],
-      forwarded: forward?,
+      forwarded: forward_to_origin?,
       category: @category,
       rule_ids: @rule_ids
     )
@@ -45,11 +49,15 @@ class ReportService < BaseService
   end
 
   def forward_to_origin!
+    return unless forward_to_origin?
+
     # Send report to the server where the account originates from
     ActivityPub::DeliveryWorker.perform_async(payload, some_local_account.id, @target_account.inbox_url)
+  end
 
+  def forward_to_replied_to!
     # Send report to servers to which the account was replying to, so they also have a chance to act
-    inbox_urls = Account.remote.where(id: Status.where(id: reported_status_ids).where.not(in_reply_to_account_id: nil).select(:in_reply_to_account_id)).inboxes - [@target_account.inbox_url]
+    inbox_urls = Account.remote.where(domain: forward_to_domains).where(id: Status.where(id: reported_status_ids).where.not(in_reply_to_account_id: nil).select(:in_reply_to_account_id)).inboxes - [@target_account.inbox_url]
 
     inbox_urls.each do |inbox_url|
       ActivityPub::DeliveryWorker.perform_async(payload, some_local_account.id, inbox_url)
@@ -60,6 +68,14 @@ class ReportService < BaseService
     !@target_account.local? && ActiveModel::Type::Boolean.new.cast(@options[:forward])
   end
 
+  def forward_to_origin?
+    forward? && forward_to_domains.include?(@target_account.domain)
+  end
+
+  def forward_to_domains
+    @forward_to_domains ||= (@options[:forward_to_domains] || [@target_account.domain]).filter_map { |domain| TagManager.instance.normalize_domain(domain&.strip) }.uniq
+  end
+
   def reported_status_ids
     return AccountStatusesFilter.new(@target_account, @source_account).results.with_discarded.find(Array(@status_ids)).pluck(:id) if @source_account.local?
 
diff --git a/app/services/search_service.rb b/app/services/search_service.rb
index 05d2d0e7c..778ea85fb 100644
--- a/app/services/search_service.rb
+++ b/app/services/search_service.rb
@@ -33,7 +33,8 @@ class SearchService < BaseService
       resolve: @resolve,
       offset: @offset,
       use_searchable_text: true,
-      following: @following
+      following: @following,
+      start_with_hashtag: @query.start_with?('#')
     )
   end
 
@@ -91,11 +92,11 @@ class SearchService < BaseService
   def full_text_searchable?
     return false unless Chewy.enabled?
 
-    statuses_search? && !@account.nil? && !((@query.start_with?('#') || @query.include?('@')) && !@query.include?(' '))
+    statuses_search? && !@account.nil? && !(@query.include?('@') && !@query.include?(' '))
   end
 
   def account_searchable?
-    account_search? && !(@query.start_with?('#') || (@query.include?('@') && @query.include?(' ')))
+    account_search? && !(@query.include?('@') && @query.include?(' '))
   end
 
   def hashtag_searchable?
diff --git a/app/workers/merge_worker.rb b/app/workers/merge_worker.rb
index e526d2887..50cfcc3f0 100644
--- a/app/workers/merge_worker.rb
+++ b/app/workers/merge_worker.rb
@@ -5,7 +5,14 @@ class MergeWorker
   include Redisable
 
   def perform(from_account_id, into_account_id)
-    FeedManager.instance.merge_into_home(Account.find(from_account_id), Account.find(into_account_id))
+    ApplicationRecord.connected_to(role: :primary) do
+      @from_account = Account.find(from_account_id)
+      @into_account = Account.find(into_account_id)
+    end
+
+    ApplicationRecord.connected_to(role: :read, prevent_writes: true) do
+      FeedManager.instance.merge_into_home(@from_account, @into_account)
+    end
   rescue ActiveRecord::RecordNotFound
     true
   ensure
diff --git a/app/workers/regeneration_worker.rb b/app/workers/regeneration_worker.rb
index 5c13c894f..5ac095e65 100644
--- a/app/workers/regeneration_worker.rb
+++ b/app/workers/regeneration_worker.rb
@@ -6,8 +6,13 @@ class RegenerationWorker
   sidekiq_options lock: :until_executed
 
   def perform(account_id, _ = :home)
-    account = Account.find(account_id)
-    PrecomputeFeedService.new.call(account)
+    ApplicationRecord.connected_to(role: :primary) do
+      @account = Account.find(account_id)
+    end
+
+    ApplicationRecord.connected_to(role: :read, prevent_writes: true) do
+      PrecomputeFeedService.new.call(@account)
+    end
   rescue ActiveRecord::RecordNotFound
     true
   end
diff --git a/app/workers/unmerge_worker.rb b/app/workers/unmerge_worker.rb
index 1a23faae5..f911ea2f9 100644
--- a/app/workers/unmerge_worker.rb
+++ b/app/workers/unmerge_worker.rb
@@ -6,7 +6,14 @@ class UnmergeWorker
   sidekiq_options queue: 'pull'
 
   def perform(from_account_id, into_account_id)
-    FeedManager.instance.unmerge_from_home(Account.find(from_account_id), Account.find(into_account_id))
+    ApplicationRecord.connected_to(role: :primary) do
+      @from_account = Account.find(from_account_id)
+      @into_account = Account.find(into_account_id)
+    end
+
+    ApplicationRecord.connected_to(role: :read, prevent_writes: true) do
+      FeedManager.instance.unmerge_from_home(@from_account, @into_account)
+    end
   rescue ActiveRecord::RecordNotFound
     true
   end
diff --git a/config/routes/admin.rb b/config/routes/admin.rb
index dbdb688fc..2e43a98e4 100644
--- a/config/routes/admin.rb
+++ b/config/routes/admin.rb
@@ -68,7 +68,7 @@ namespace :admin do
     end
   end
 
-  resources :instances, only: [:index, :show, :destroy], constraints: { id: %r{[^/]+} } do
+  resources :instances, only: [:index, :show, :destroy], constraints: { id: %r{[^/]+} }, format: 'html' do
     member do
       post :clear_delivery_errors
       post :restart_delivery
diff --git a/spec/mailers/notification_mailer_spec.rb b/spec/mailers/notification_mailer_spec.rb
index bf364b625..3efb97cb1 100644
--- a/spec/mailers/notification_mailer_spec.rb
+++ b/spec/mailers/notification_mailer_spec.rb
@@ -23,7 +23,8 @@ RSpec.describe NotificationMailer do
 
   describe 'mention' do
     let(:mention) { Mention.create!(account: receiver.account, status: foreign_status) }
-    let(:mail) { described_class.mention(receiver.account, Notification.create!(account: receiver.account, activity: mention)) }
+    let(:notification) { Notification.create!(account: receiver.account, activity: mention) }
+    let(:mail) { prepared_mailer_for(receiver.account).mention }
 
     include_examples 'localized subject', 'notification_mailer.mention.subject', name: 'bob'
 
@@ -40,7 +41,8 @@ RSpec.describe NotificationMailer do
 
   describe 'follow' do
     let(:follow) { sender.follow!(receiver.account) }
-    let(:mail) { described_class.follow(receiver.account, Notification.create!(account: receiver.account, activity: follow)) }
+    let(:notification) { Notification.create!(account: receiver.account, activity: follow) }
+    let(:mail) { prepared_mailer_for(receiver.account).follow }
 
     include_examples 'localized subject', 'notification_mailer.follow.subject', name: 'bob'
 
@@ -56,7 +58,8 @@ RSpec.describe NotificationMailer do
 
   describe 'favourite' do
     let(:favourite) { Favourite.create!(account: sender, status: own_status) }
-    let(:mail) { described_class.favourite(own_status.account, Notification.create!(account: receiver.account, activity: favourite)) }
+    let(:notification) { Notification.create!(account: receiver.account, activity: favourite) }
+    let(:mail) { prepared_mailer_for(own_status.account).favourite }
 
     include_examples 'localized subject', 'notification_mailer.favourite.subject', name: 'bob'
 
@@ -73,7 +76,8 @@ RSpec.describe NotificationMailer do
 
   describe 'reblog' do
     let(:reblog) { Status.create!(account: sender, reblog: own_status) }
-    let(:mail) { described_class.reblog(own_status.account, Notification.create!(account: receiver.account, activity: reblog)) }
+    let(:notification) { Notification.create!(account: receiver.account, activity: reblog) }
+    let(:mail) { prepared_mailer_for(own_status.account).reblog }
 
     include_examples 'localized subject', 'notification_mailer.reblog.subject', name: 'bob'
 
@@ -90,7 +94,8 @@ RSpec.describe NotificationMailer do
 
   describe 'follow_request' do
     let(:follow_request) { Fabricate(:follow_request, account: sender, target_account: receiver.account) }
-    let(:mail) { described_class.follow_request(receiver.account, Notification.create!(account: receiver.account, activity: follow_request)) }
+    let(:notification) { Notification.create!(account: receiver.account, activity: follow_request) }
+    let(:mail) { prepared_mailer_for(receiver.account).follow_request }
 
     include_examples 'localized subject', 'notification_mailer.follow_request.subject', name: 'bob'
 
@@ -103,4 +108,10 @@ RSpec.describe NotificationMailer do
       expect(mail.body.encoded).to match('bob has requested to follow you')
     end
   end
+
+  private
+
+  def prepared_mailer_for(recipient)
+    described_class.with(recipient: recipient, notification: notification)
+  end
 end
diff --git a/spec/mailers/previews/notification_mailer_preview.rb b/spec/mailers/previews/notification_mailer_preview.rb
index 214161881..a63c20c27 100644
--- a/spec/mailers/previews/notification_mailer_preview.rb
+++ b/spec/mailers/previews/notification_mailer_preview.rb
@@ -5,31 +5,40 @@
 class NotificationMailerPreview < ActionMailer::Preview
   # Preview this email at http://localhost:3000/rails/mailers/notification_mailer/mention
   def mention
-    m = Mention.last
-    NotificationMailer.mention(m.account, Notification.find_by(activity: m))
+    activity = Mention.last
+    mailer_for(activity.account, activity).mention
   end
 
   # Preview this email at http://localhost:3000/rails/mailers/notification_mailer/follow
   def follow
-    f = Follow.last
-    NotificationMailer.follow(f.target_account, Notification.find_by(activity: f))
+    activity = Follow.last
+    mailer_for(activity.target_account, activity).follow
   end
 
   # Preview this email at http://localhost:3000/rails/mailers/notification_mailer/follow_request
   def follow_request
-    f = Follow.last
-    NotificationMailer.follow_request(f.target_account, Notification.find_by(activity: f))
+    activity = Follow.last
+    mailer_for(activity.target_account, activity).follow_request
   end
 
   # Preview this email at http://localhost:3000/rails/mailers/notification_mailer/favourite
   def favourite
-    f = Favourite.last
-    NotificationMailer.favourite(f.status.account, Notification.find_by(activity: f))
+    activity = Favourite.last
+    mailer_for(activity.status.account, activity).favourite
   end
 
   # Preview this email at http://localhost:3000/rails/mailers/notification_mailer/reblog
   def reblog
-    r = Status.where.not(reblog_of_id: nil).first
-    NotificationMailer.reblog(r.reblog.account, Notification.find_by(activity: r))
+    activity = Status.where.not(reblog_of_id: nil).first
+    mailer_for(activity.reblog.account, activity).reblog
+  end
+
+  private
+
+  def mailer_for(account, activity)
+    NotificationMailer.with(
+      recipient: account,
+      notification: Notification.find_by(activity: activity)
+    )
   end
 end
diff --git a/spec/services/report_service_spec.rb b/spec/services/report_service_spec.rb
index 660ce3db2..616368bf4 100644
--- a/spec/services/report_service_spec.rb
+++ b/spec/services/report_service_spec.rb
@@ -44,9 +44,27 @@ RSpec.describe ReportService, type: :service do
           stub_request(:post, 'http://foo.com/inbox').to_return(status: 200)
         end
 
-        it 'sends ActivityPub payload to the author of the replied-to post' do
-          subject.call(source_account, remote_account, status_ids: [reported_status.id], forward: forward)
-          expect(a_request(:post, 'http://foo.com/inbox')).to have_been_made
+        context 'when forward_to_domains includes both the replied-to domain and the origin domain' do
+          it 'sends ActivityPub payload to both the author of the replied-to post and the reported user' do
+            subject.call(source_account, remote_account, status_ids: [reported_status.id], forward: forward, forward_to_domains: [remote_account.domain, remote_thread_account.domain])
+            expect(a_request(:post, 'http://foo.com/inbox')).to have_been_made
+            expect(a_request(:post, 'http://example.com/inbox')).to have_been_made
+          end
+        end
+
+        context 'when forward_to_domains includes only the replied-to domain' do
+          it 'sends ActivityPub payload only to the author of the replied-to post' do
+            subject.call(source_account, remote_account, status_ids: [reported_status.id], forward: forward, forward_to_domains: [remote_thread_account.domain])
+            expect(a_request(:post, 'http://foo.com/inbox')).to have_been_made
+            expect(a_request(:post, 'http://example.com/inbox')).to_not have_been_made
+          end
+        end
+
+        context 'when forward_to_domains does not include the replied-to domain' do
+          it 'does not send ActivityPub payload to the author of the replied-to post' do
+            subject.call(source_account, remote_account, status_ids: [reported_status.id], forward: forward)
+            expect(a_request(:post, 'http://foo.com/inbox')).to_not have_been_made
+          end
         end
       end
     end
diff --git a/spec/services/search_service_spec.rb b/spec/services/search_service_spec.rb
index 497ec7447..123bd4f56 100644
--- a/spec/services/search_service_spec.rb
+++ b/spec/services/search_service_spec.rb
@@ -68,7 +68,7 @@ describe SearchService, type: :service do
           allow(AccountSearchService).to receive(:new).and_return(service)
 
           results = subject.call(query, nil, 10)
-          expect(service).to have_received(:call).with(query, nil, limit: 10, offset: 0, resolve: false, use_searchable_text: true, following: false)
+          expect(service).to have_received(:call).with(query, nil, limit: 10, offset: 0, resolve: false, start_with_hashtag: false, use_searchable_text: true, following: false)
           expect(results).to eq empty_results.merge(accounts: [account])
         end
       end
@@ -92,15 +92,6 @@ describe SearchService, type: :service do
           expect(Tag).to_not have_received(:search_for)
           expect(results).to eq empty_results
         end
-
-        it 'does not include account when starts with # character' do
-          query = '#tag'
-          allow(AccountSearchService).to receive(:new)
-
-          results = subject.call(query, nil, 10)
-          expect(AccountSearchService).to_not have_received(:new)
-          expect(results).to eq empty_results
-        end
       end
     end
   end