diff --git a/app/javascript/flavours/glitch/features/account_timeline/common.ts b/app/javascript/flavours/glitch/features/account_timeline/common.ts
index 33d1ee210d..866b2549e6 100644
--- a/app/javascript/flavours/glitch/features/account_timeline/common.ts
+++ b/app/javascript/flavours/glitch/features/account_timeline/common.ts
@@ -1,5 +1,5 @@
-import { isClientFeatureEnabled } from '@/flavours/glitch/utils/environment';
+import { isServerFeatureEnabled } from '@/flavours/glitch/utils/environment';
 
 export function isRedesignEnabled() {
-  return isClientFeatureEnabled('profile_redesign');
+  return isServerFeatureEnabled('profile_redesign');
 }
diff --git a/app/javascript/flavours/glitch/features/ui/index.jsx b/app/javascript/flavours/glitch/features/ui/index.jsx
index 47c7b15f36..d692359300 100644
--- a/app/javascript/flavours/glitch/features/ui/index.jsx
+++ b/app/javascript/flavours/glitch/features/ui/index.jsx
@@ -25,6 +25,7 @@ import { layoutFromWindow } from 'flavours/glitch/is_mobile';
 import { selectUnreadNotificationGroupsCount } from 'flavours/glitch/selectors/notifications';
 import { WithRouterPropTypes } from 'flavours/glitch/utils/react_router';
 import { checkAnnualReport } from '@/flavours/glitch/reducers/slices/annual_report';
+import { isServerFeatureEnabled } from '@/flavours/glitch/utils/environment';
 
 import { uploadCompose, resetCompose, changeComposeSpoilerness } from '../../actions/compose';
 import { clearHeight } from '../../actions/height_cache';
@@ -92,7 +93,6 @@ import { WrappedSwitch, WrappedRoute } from './util/react_router_helpers';
 // Without this it ends up in ~8 very commonly used bundles.
 import '../../components/status';
 import { areCollectionsEnabled } from '../collections/utils';
-import { isClientFeatureEnabled } from '@/flavours/glitch/utils/environment';
 
 const messages = defineMessages({
   beforeUnload: { id: 'ui.beforeunload', defaultMessage: 'Your draft will be lost if you leave Mastodon.' },
@@ -170,7 +170,7 @@ class SwitchingColumnsArea extends PureComponent {
       redirect = <Redirect from='/' to='/about' exact />;
     }
 
-    const profileRedesignEnabled = isClientFeatureEnabled('profile_redesign');
+    const profileRedesignEnabled = isServerFeatureEnabled('profile_redesign');
     const profileRedesignRoutes = [];
     if (profileRedesignEnabled) {
       profileRedesignRoutes.push(
diff --git a/app/javascript/flavours/glitch/features/ui/util/async-components.js b/app/javascript/flavours/glitch/features/ui/util/async-components.js
index bc76a9c019..db5cdf9f2a 100644
--- a/app/javascript/flavours/glitch/features/ui/util/async-components.js
+++ b/app/javascript/flavours/glitch/features/ui/util/async-components.js
@@ -1,4 +1,4 @@
-import { isClientFeatureEnabled } from '@/flavours/glitch/utils/environment';
+import { isServerFeatureEnabled } from '@/flavours/glitch/utils/environment';
 
 export function EmojiPicker () {
   return import('../../emoji/emoji_picker');
@@ -73,7 +73,7 @@ export function PinnedStatuses () {
 }
 
 export function AccountTimeline () {
-  if (isClientFeatureEnabled('profile_redesign')) {
+  if (isServerFeatureEnabled('profile_redesign')) {
     return import('../../account_timeline/v2');
   }
   return import('../../account_timeline');
diff --git a/app/javascript/flavours/glitch/utils/environment.ts b/app/javascript/flavours/glitch/utils/environment.ts
index c7fecee022..5f736fa80c 100644
--- a/app/javascript/flavours/glitch/utils/environment.ts
+++ b/app/javascript/flavours/glitch/utils/environment.ts
@@ -12,13 +12,13 @@ export function isProduction() {
   else return import.meta.env.PROD;
 }
 
-export type ServerFeatures = 'fasp' | 'collections';
+export type ServerFeatures = 'fasp' | 'collections' | 'profile_redesign';
 
 export function isServerFeatureEnabled(feature: ServerFeatures) {
   return initialState?.features.includes(feature) ?? false;
 }
 
-type ClientFeatures = 'profile_redesign' | 'collections';
+type ClientFeatures = 'collections';
 
 export function isClientFeatureEnabled(feature: ClientFeatures) {
   try {
diff --git a/app/javascript/mastodon/features/account_timeline/common.ts b/app/javascript/mastodon/features/account_timeline/common.ts
index ee76c25bb7..1bb62a4220 100644
--- a/app/javascript/mastodon/features/account_timeline/common.ts
+++ b/app/javascript/mastodon/features/account_timeline/common.ts
@@ -1,5 +1,5 @@
-import { isClientFeatureEnabled } from '@/mastodon/utils/environment';
+import { isServerFeatureEnabled } from '@/mastodon/utils/environment';
 
 export function isRedesignEnabled() {
-  return isClientFeatureEnabled('profile_redesign');
+  return isServerFeatureEnabled('profile_redesign');
 }
diff --git a/app/javascript/mastodon/features/ui/index.jsx b/app/javascript/mastodon/features/ui/index.jsx
index 23025cf16c..c2fcd2d02f 100644
--- a/app/javascript/mastodon/features/ui/index.jsx
+++ b/app/javascript/mastodon/features/ui/index.jsx
@@ -22,6 +22,7 @@ import { identityContextPropShape, withIdentity } from 'mastodon/identity_contex
 import { layoutFromWindow } from 'mastodon/is_mobile';
 import { WithRouterPropTypes } from 'mastodon/utils/react_router';
 import { checkAnnualReport } from '@/mastodon/reducers/slices/annual_report';
+import { isServerFeatureEnabled } from '@/mastodon/utils/environment';
 
 import { uploadCompose, resetCompose, changeComposeSpoilerness } from '../../actions/compose';
 import { clearHeight } from '../../actions/height_cache';
@@ -89,7 +90,6 @@ import { WrappedSwitch, WrappedRoute } from './util/react_router_helpers';
 // Without this it ends up in ~8 very commonly used bundles.
 import '../../components/status';
 import { areCollectionsEnabled } from '../collections/utils';
-import { isClientFeatureEnabled } from '@/mastodon/utils/environment';
 
 const messages = defineMessages({
   beforeUnload: { id: 'ui.beforeunload', defaultMessage: 'Your draft will be lost if you leave Mastodon.' },
@@ -162,7 +162,7 @@ class SwitchingColumnsArea extends PureComponent {
       redirect = <Redirect from='/' to='/about' exact />;
     }
 
-    const profileRedesignEnabled = isClientFeatureEnabled('profile_redesign');
+    const profileRedesignEnabled = isServerFeatureEnabled('profile_redesign');
     const profileRedesignRoutes = [];
     if (profileRedesignEnabled) {
       profileRedesignRoutes.push(
diff --git a/app/javascript/mastodon/features/ui/util/async-components.js b/app/javascript/mastodon/features/ui/util/async-components.js
index 27c634d07c..55fcc29fa4 100644
--- a/app/javascript/mastodon/features/ui/util/async-components.js
+++ b/app/javascript/mastodon/features/ui/util/async-components.js
@@ -1,4 +1,4 @@
-import { isClientFeatureEnabled } from '@/mastodon/utils/environment';
+import { isServerFeatureEnabled } from '@/mastodon/utils/environment';
 
 export function EmojiPicker () {
   return import('../../emoji/emoji_picker');
@@ -73,7 +73,7 @@ export function PinnedStatuses () {
 }
 
 export function AccountTimeline () {
-  if (isClientFeatureEnabled('profile_redesign')) {
+  if (isServerFeatureEnabled('profile_redesign')) {
     return import('../../account_timeline/v2');
   }
   return import('../../account_timeline');
diff --git a/app/javascript/mastodon/utils/environment.ts b/app/javascript/mastodon/utils/environment.ts
index c7fecee022..5f736fa80c 100644
--- a/app/javascript/mastodon/utils/environment.ts
+++ b/app/javascript/mastodon/utils/environment.ts
@@ -12,13 +12,13 @@ export function isProduction() {
   else return import.meta.env.PROD;
 }
 
-export type ServerFeatures = 'fasp' | 'collections';
+export type ServerFeatures = 'fasp' | 'collections' | 'profile_redesign';
 
 export function isServerFeatureEnabled(feature: ServerFeatures) {
   return initialState?.features.includes(feature) ?? false;
 }
 
-type ClientFeatures = 'profile_redesign' | 'collections';
+type ClientFeatures = 'collections';
 
 export function isClientFeatureEnabled(feature: ClientFeatures) {
   try {
diff --git a/app/services/post_status_service.rb b/app/services/post_status_service.rb
index 404e1b4f92..0b6158b87b 100644
--- a/app/services/post_status_service.rb
+++ b/app/services/post_status_service.rb
@@ -2,6 +2,7 @@
 
 class PostStatusService < BaseService
   include Redisable
+  include Lockable
   include LanguagesHelper
 
   class UnexpectedMentionsError < StandardError
@@ -39,19 +40,17 @@ class PostStatusService < BaseService
     @in_reply_to = @options[:thread]
     @quoted_status = @options[:quoted_status]
 
-    return idempotency_duplicate if idempotency_given? && idempotency_duplicate?
+    with_idempotency do
+      validate_media!
+      preprocess_attributes!
 
-    validate_media!
-    preprocess_attributes!
-
-    if scheduled?
-      schedule_status!
-    else
-      process_status!
+      if scheduled?
+        schedule_status!
+      else
+        process_status!
+      end
     end
 
-    redis.setex(idempotency_key, 3_600, @status.id) if idempotency_given?
-
     unless scheduled?
       postprocess_status!
       bump_potential_friendship!
@@ -224,6 +223,18 @@ class PostStatusService < BaseService
     @idempotency_duplicate = redis.get(idempotency_key)
   end
 
+  def with_idempotency
+    return yield unless idempotency_given?
+
+    with_redis_lock("idempotency:lock:status:#{@account.id}:#{@options[:idempotency]}") do
+      return idempotency_duplicate if idempotency_duplicate?
+
+      yield
+
+      redis.setex(idempotency_key, 3_600, @status.id)
+    end
+  end
+
   def scheduled_in_the_past?
     @scheduled_at.present? && @scheduled_at <= Time.now.utc
   end
diff --git a/config/locales/simple_form.en.yml b/config/locales/simple_form.en.yml
index 7fff363ff1..87334b14e7 100644
--- a/config/locales/simple_form.en.yml
+++ b/config/locales/simple_form.en.yml
@@ -224,6 +224,7 @@ en:
         email: E-mail address
         expires_in: Expire after
         fields: Extra fields
+        filter_action: Filter action
         header: Header picture
         honeypot: "%{label} (do not fill in)"
         inbox_url: URL of the relay inbox