Bump version to v4.5.7 (mastodon#37963)

Author: ClearlyClaire

CHANGELOG.md

@@ -2,6 +2,26 @@
 
 All notable changes to this project will be documented in this file.
 
+## [4.5.7] - 2026-02-24
+
+### Security
+
+- Reject unconfirmed FASPs (#37926 by @oneiros, [GHSA-qgmm-vr4c-ggjg](https://github.com/mastodon/mastodon/security/advisories/GHSA-qgmm-vr4c-ggjg))
+- Re-use custom socket class for FASP requests (#37925 by @oneiros, [GHSA-46w6-g98f-wxqm](https://github.com/mastodon/mastodon/security/advisories/GHSA-46w6-g98f-wxqm))
+
+### Added
+
+- Add `--suspended-only` option to `tootctl emoji purge` (#37828 and #37861 by @ClearlyClaire and @mjankowski)
+
+### Fixed
+
+- Fix emoji data not being properly cached (#37858 by @ChaosExAnima)
+- Fix delete & redraft of pending posts (#37839 by @ClearlyClaire)
+- Fix processing separate key documents without the ActivityStreams context (#37826 by @ClearlyClaire)
+- Fix custom emojis not being purged on domain suspension (#37808 by @ClearlyClaire)
+- Fix users without special permissions being able to stream disabled timelines (#37791 by @ClearlyClaire)
+- Fix processing of object updates with duplicate hashtags (#37756 by @ClearlyClaire)
+
 ## [4.5.6] - 2026-02-03
 
 ### Security

docker-compose.yml

@@ -59,7 +59,7 @@ services:
   web:
     # You can uncomment the following line if you want to not use the prebuilt image, for example if you have local code changes
     # build: .
-    image: ghcr.io/mastodon/mastodon:v4.5.6
+    image: ghcr.io/mastodon/mastodon:v4.5.7
     restart: always
     env_file: .env.production
     command: bundle exec puma -C config/puma.rb
@@ -83,7 +83,7 @@ services:
     # build:
     #   dockerfile: ./streaming/Dockerfile
     #   context: .
-    image: ghcr.io/mastodon/mastodon-streaming:v4.5.6
+    image: ghcr.io/mastodon/mastodon-streaming:v4.5.7
     restart: always
     env_file: .env.production
     command: node ./streaming/index.js
@@ -102,7 +102,7 @@ services:
   sidekiq:
     # You can uncomment the following line if you want to not use the prebuilt image, for example if you have local code changes
     # build: .
-    image: ghcr.io/mastodon/mastodon:v4.5.6
+    image: ghcr.io/mastodon/mastodon:v4.5.7
     restart: always
     env_file: .env.production
     command: bundle exec sidekiq

lib/mastodon/version.rb

@@ -13,7 +13,7 @@ def minor
     end
 
     def patch
-      6
+      7
     end
 
     def default_prerelease