diff --git a/.github/workflows/build-releases.yml b/.github/workflows/build-releases.yml
index 98b9dfc0df..c19766b186 100644
--- a/.github/workflows/build-releases.yml
+++ b/.github/workflows/build-releases.yml
@@ -19,10 +19,8 @@ jobs:
         ghcr.io/mastodon/mastodon
       # Do not use cache when building releases, so apt update is always ran and the release always contain the latest packages
       cache: false
-      # Only tag with latest when ran against the latest stable branch
-      # This needs to be updated after each minor version release
       flavor: |
-        latest=${{ startsWith(github.ref, 'refs/tags/v4.1.') }}
+        latest=false
       tags: |
         type=pep440,pattern={{raw}}
         type=pep440,pattern=v{{major}}.{{minor}}
diff --git a/.github/workflows/lint-ruby.yml b/.github/workflows/lint-ruby.yml
deleted file mode 100644
index b834e3053f..0000000000
--- a/.github/workflows/lint-ruby.yml
+++ /dev/null
@@ -1,41 +0,0 @@
-name: Ruby Linting
-on:
-  push:
-    branches-ignore:
-      - 'dependabot/**'
-    paths:
-      - 'Gemfile*'
-      - '.rubocop.yml'
-      - '**/*.rb'
-      - '**/*.rake'
-      - '.github/workflows/lint-ruby.yml'
-
-  pull_request:
-    paths:
-      - 'Gemfile*'
-      - '.rubocop.yml'
-      - '**/*.rb'
-      - '**/*.rake'
-      - '.github/workflows/lint-ruby.yml'
-
-jobs:
-  lint:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout Code
-        uses: actions/checkout@v3
-        with:
-          fetch-depth: 0
-
-      - name: Set-up RuboCop Problem Mathcher
-        uses: r7kamura/rubocop-problem-matchers-action@v1
-
-      - name: Run rubocop
-        uses: github/super-linter@v4
-        env:
-          DEFAULT_BRANCH: main
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          LINTER_RULES_PATH: .
-          RUBY_CONFIG_FILE: .rubocop.yml
-          VALIDATE_ALL_CODEBASE: false
-          VALIDATE_RUBY: true
diff --git a/CHANGELOG.md b/CHANGELOG.md
index d29ec5ab47..6a8a40d80e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,12 @@ Changelog
 
 All notable changes to this project will be documented in this file.
 
+## [4.1.9] - 2023-09-20
+
+### Fixed
+
+- Fix post translation erroring out ([ClearlyClaire](https://github.com/mastodon/mastodon/pull/26990))
+
 ## [4.1.8] - 2023-09-19
 
 ### Fixed
diff --git a/app/lib/translation_service/deepl.rb b/app/lib/translation_service/deepl.rb
index 537fd24c08..2b4746a4d0 100644
--- a/app/lib/translation_service/deepl.rb
+++ b/app/lib/translation_service/deepl.rb
@@ -46,7 +46,7 @@ class TranslationService::DeepL < TranslationService
 
     raise UnexpectedResponseError unless json.is_a?(Hash)
 
-    Translation.new(text: json.dig('translations', 0, 'text'), detected_source_language: json.dig('translations', 0, 'detected_source_language')&.downcase, provider: 'DeepL.com')
+    Translation.new(text: Sanitize.fragment(json.dig('translations', 0, 'text'), Sanitize::Config::MASTODON_STRICT), detected_source_language: json.dig('translations', 0, 'detected_source_language')&.downcase, provider: 'DeepL.com')
   rescue Oj::ParseError
     raise UnexpectedResponseError
   end
diff --git a/app/lib/translation_service/libre_translate.rb b/app/lib/translation_service/libre_translate.rb
index 4ebe21e454..2a06cea59b 100644
--- a/app/lib/translation_service/libre_translate.rb
+++ b/app/lib/translation_service/libre_translate.rb
@@ -37,7 +37,7 @@ class TranslationService::LibreTranslate < TranslationService
 
     raise UnexpectedResponseError unless json.is_a?(Hash)
 
-    Translation.new(text: json['translatedText'], detected_source_language: source_language, provider: 'LibreTranslate')
+    Translation.new(text: Sanitize.fragment(json['translatedText'], Sanitize::Config::MASTODON_STRICT), detected_source_language: source_language, provider: 'LibreTranslate')
   rescue Oj::ParseError
     raise UnexpectedResponseError
   end
diff --git a/app/services/translate_status_service.rb b/app/services/translate_status_service.rb
index b905f8158a..6e6ed87b0a 100644
--- a/app/services/translate_status_service.rb
+++ b/app/services/translate_status_service.rb
@@ -12,8 +12,8 @@ class TranslateStatusService < BaseService
     @content = status_content_format(@status)
     @target_language = target_language
 
-    Rails.cache.fetch("translations/#{@status.language}/#{@target_language}/#{content_hash}", expires_in: CACHE_TTL) do
-      Sanitize.fragment(translation_backend.translate(@content, @status.language, @target_language), Sanitize::Config::MASTODON_STRICT)
+    Rails.cache.fetch("translations:v2/#{@status.language}/#{@target_language}/#{content_hash}", expires_in: CACHE_TTL) do
+      translation_backend.translate(@content, @status.language, @target_language)
     end
   end
 
diff --git a/docker-compose.yml b/docker-compose.yml
index 769b215737..7ebbfa08cf 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -56,7 +56,7 @@ services:
 
   web:
     build: .
-    image: ghcr.io/mastodon/mastodon:v4.1.8
+    image: ghcr.io/mastodon/mastodon:v4.1.9
     restart: always
     env_file: .env.production
     command: bash -c "rm -f /mastodon/tmp/pids/server.pid; bundle exec rails s -p 3000"
@@ -77,7 +77,7 @@ services:
 
   streaming:
     build: .
-    image: ghcr.io/mastodon/mastodon:v4.1.8
+    image: ghcr.io/mastodon/mastodon:v4.1.9
     restart: always
     env_file: .env.production
     command: node ./streaming
@@ -95,7 +95,7 @@ services:
 
   sidekiq:
     build: .
-    image: ghcr.io/mastodon/mastodon:v4.1.8
+    image: ghcr.io/mastodon/mastodon:v4.1.9
     restart: always
     env_file: .env.production
     command: bundle exec sidekiq
diff --git a/lib/mastodon/version.rb b/lib/mastodon/version.rb
index 14434cb4dc..1f9a867427 100644
--- a/lib/mastodon/version.rb
+++ b/lib/mastodon/version.rb
@@ -13,7 +13,7 @@ module Mastodon
     end
 
     def patch
-      8
+      9
     end
 
     def flags