diff --git a/.CI/chatterino-installer.iss b/.CI/chatterino-installer.iss
index 34056571e79..7cbd84b4597 100644
--- a/.CI/chatterino-installer.iss
+++ b/.CI/chatterino-installer.iss
@@ -2,7 +2,7 @@
 ; SEE THE DOCUMENTATION FOR DETAILS ON CREATING INNO SETUP SCRIPT FILES!
 
 #define MyAppName "Chatterino"
-#define MyAppVersion "2.4.5"
+#define MyAppVersion "2.4.6"
 #define MyAppPublisher "Chatterino Team"
 #define MyAppURL "https://www.chatterino.com"
 #define MyAppExeName "chatterino.exe"
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 8a2c46d611f..c87f1ec20a3 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -5,6 +5,7 @@ on:
   push:
     branches:
       - master
+      - "bugfix-release/*"
   pull_request:
   workflow_dispatch:
   merge_group:
@@ -14,7 +15,7 @@ concurrency:
   cancel-in-progress: true
 
 env:
-  C2_ENABLE_LTO: ${{ github.ref == 'refs/heads/master' }}
+  C2_ENABLE_LTO: ${{ github.ref == 'refs/heads/master' || startsWith(github.ref, 'refs/heads/bugfix-release/') }}
   CHATTERINO_REQUIRE_CLEAN_GIT: On
   C2_BUILD_WITH_QT6: Off
   # Last known good conan version
@@ -27,13 +28,6 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [windows-latest, macos-latest]
-        qt-version: [5.15.2, 6.5.0]
-        force-lto: [false]
-        plugins: [false]
-        skip-artifact: [false]
-        skip-crashpad: [false]
-        clang-tidy-review: [false]
         include:
           # Ubuntu 20.04, Qt 5.12
           - os: ubuntu-20.04
@@ -59,6 +53,22 @@ jobs:
             skip-artifact: false
             skip-crashpad: false
             clang-tidy-review: false
+          # macOS
+          - os: macos-latest
+            qt-version: 5.15.2
+            force-lto: false
+            plugins: false
+            skip-artifact: false
+            skip-crashpad: false
+            clang-tidy-review: false
+          # Windows
+          - os: windows-latest
+            qt-version: 6.5.0
+            force-lto: false
+            plugins: false
+            skip-artifact: false
+            skip-crashpad: false
+            clang-tidy-review: false
           # Test for disabling crashpad on Windows
           - os: windows-latest
             qt-version: 5.15.2
@@ -114,6 +124,26 @@ jobs:
           cache-key-prefix: ${{ runner.os }}-QtCache-${{ matrix.qt-version }}-v2
           version: ${{ matrix.qt-version }}
 
+      - name: Install Qt 6.5.3
+        if: startsWith(matrix.qt-version, '6.')
+        uses: jurplel/install-qt-action@v3.3.0
+        with:
+          cache: false
+          modules: qtimageformats
+          set-env: false
+          version: 6.5.3
+          extra: --noarchives
+
+      - name: Find Qt 6.5.3 Path
+        if: startsWith(matrix.qt-version, '6.') && startsWith(matrix.os, 'windows')
+        shell: pwsh
+        id: find-good-imageformats
+        run: |
+          cd "$Env:RUNNER_WORKSPACE/Qt/6.5.3"
+          cd (Get-ChildItem)[0].Name
+          cd plugins/imageformats
+          echo "PLUGIN_PATH=$(pwd)" | Out-File -Path "$Env:GITHUB_OUTPUT" -Encoding ASCII
+
       - name: Install Qt6
         if: startsWith(matrix.qt-version, '6.')
         uses: jurplel/install-qt-action@v3.3.0
@@ -213,13 +243,24 @@ jobs:
           cp bin/crashpad/crashpad_handler.exe Chatterino2/crashpad/crashpad_handler.exe
           7z a bin/chatterino-Qt-${{ matrix.qt-version }}.pdb.7z bin/chatterino.pdb
 
-      - name: Package (windows)
+      - name: Prepare build dir (windows)
         if: startsWith(matrix.os, 'windows')
         run: |
           cd build
           windeployqt bin/chatterino.exe --release --no-compiler-runtime --no-translations --no-opengl-sw --dir Chatterino2/
           cp bin/chatterino.exe Chatterino2/
           echo nightly > Chatterino2/modes
+
+      - name: Fix Qt (windows)
+        if: startsWith(matrix.qt-version, '6.') && startsWith(matrix.os, 'windows')
+        working-directory: build
+        run: |
+          cp ${{ steps.find-good-imageformats.outputs.PLUGIN_PATH }}/qwebp.dll Chatterino2/imageformats/qwebp.dll
+
+      - name: Package (windows)
+        if: startsWith(matrix.os, 'windows')
+        working-directory: build
+        run: |
           7z a chatterino-windows-x86-64-Qt-${{ matrix.qt-version }}.zip Chatterino2/
 
       - name: Upload artifact (Windows - binary)
@@ -395,7 +436,7 @@ jobs:
   create-release:
     needs: build
     runs-on: ubuntu-latest
-    if: (github.event_name == 'push' && github.ref == 'refs/heads/master')
+    if: (github.event_name == 'push' && (github.ref == 'refs/heads/master'))
 
     steps:
       - uses: actions/checkout@v3
@@ -409,29 +450,17 @@ jobs:
           path: release-artifacts/
 
       - uses: actions/download-artifact@v3
-        name: Windows Qt6.5.0
+        name: Windows
         with:
           name: chatterino-windows-x86-64-Qt-6.5.0.zip
           path: release-artifacts/
 
       - uses: actions/download-artifact@v3
-        name: Windows Qt6.5.0 symbols
+        name: Windows symbols
         with:
           name: chatterino-windows-x86-64-Qt-6.5.0-symbols.pdb.7z
           path: release-artifacts/
 
-      - uses: actions/download-artifact@v3
-        name: Windows Qt5.15.2
-        with:
-          name: chatterino-windows-x86-64-Qt-5.15.2.zip
-          path: release-artifacts/
-
-      - uses: actions/download-artifact@v3
-        name: Windows Qt5.15 symbols
-        with:
-          name: chatterino-windows-x86-64-Qt-5.15.2-symbols.pdb.7z
-          path: release-artifacts/
-
       - uses: actions/download-artifact@v3
         name: Linux Qt5.12.12 AppImage
         with:
@@ -466,11 +495,6 @@ jobs:
           ls -l
           # Rename the macos build to indicate that it's for macOS 10.15 users
           mv chatterino-macos-Qt-5.15.2.dmg Chatterino-macOS-10.15.dmg
-
-          # Mark all Qt6 builds as EXPERIMENTAL
-          mv Chatterino-ubuntu-22.04-x86_64.deb EXPERIMENTAL-Chatterino-ubuntu-22.04-Qt-6.2.4.deb
-          mv chatterino-windows-x86-64-Qt-6.5.0.zip EXPERIMENTAL-chatterino-windows-x86-64-Qt-6.5.0.zip
-          mv chatterino-Qt-6.5.0.pdb.7z EXPERIMENTAL-chatterino-Qt-6.5.0.pdb.7z
         working-directory: release-artifacts
         shell: bash
 
diff --git a/.github/workflows/create-installer.yml b/.github/workflows/create-installer.yml
index cf7bf19e7c6..7b822bb8f5e 100644
--- a/.github/workflows/create-installer.yml
+++ b/.github/workflows/create-installer.yml
@@ -5,7 +5,9 @@ on:
     workflows: ["Build"]
     types: [completed]
     # make sure this only runs on the default branch
-    branches: [master]
+    branches:
+      - master
+      - "bugfix-release/*"
   workflow_dispatch:
 
 jobs:
@@ -15,9 +17,7 @@ jobs:
     if: ${{ github.event_name == 'workflow_dispatch' || github.event.workflow_run.conclusion == 'success' }}
     strategy:
       matrix:
-        qt-version: [5.15.2, 6.5.0]
-    env:
-      VARIANT_SUFFIX: ${{ startsWith(matrix.qt-version, '6.') && '.EXPERIMENTAL-Qt6' || '' }}
+        qt-version: ["6.5.0"]
     steps:
       - uses: actions/checkout@v3
         with:
@@ -28,6 +28,7 @@ jobs:
         with:
           workflow: build.yml
           name: chatterino-windows-x86-64-Qt-${{ matrix.qt-version }}.zip
+          commit: ${{ github.sha }}
           path: build/
 
       - name: Unzip
@@ -52,5 +53,5 @@ jobs:
       - name: Upload installer
         uses: actions/upload-artifact@v3
         with:
-          path: build/${{ steps.build-installer.outputs.C2_INSTALLER_BASE_NAME }}${{ env.VARIANT_SUFFIX }}.exe
-          name: ${{ steps.build-installer.outputs.C2_INSTALLER_BASE_NAME }}${{ env.VARIANT_SUFFIX }}.exe
+          path: build/${{ steps.build-installer.outputs.C2_INSTALLER_BASE_NAME }}.exe
+          name: ${{ steps.build-installer.outputs.C2_INSTALLER_BASE_NAME }}.exe
diff --git a/CHANGELOG.md b/CHANGELOG.md
index a401a0ffb3a..5aa51d03edd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,10 @@
 
 ## Unversioned
 
+## 2.4.6
+
 - Minor: Migrate to the new Get Channel Followers Helix endpoint, fixing follower count not showing up in usercards. (#4809)
+- Bugfix: Update Qt version, fixing a security issue with webp loading (see https://www.qt.io/blog/two-qt-security-advisorys-gdi-font-engine-webp-image-format) (#4843)
 - Dev: Temporarily disable High DPI scaling on Qt6 builds on Windows. (#4767)
 
 ## 2.4.5
diff --git a/CMakeLists.txt b/CMakeLists.txt
index caa3990b4a6..e8eb6c7fde0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -8,7 +8,7 @@ list(APPEND CMAKE_MODULE_PATH
     "${CMAKE_SOURCE_DIR}/cmake/sanitizers-cmake/cmake"
     )
 
-project(chatterino VERSION 2.4.5)
+project(chatterino VERSION 2.4.6)
 
 option(BUILD_APP "Build Chatterino" ON)
 option(BUILD_TESTS "Build the tests for Chatterino" OFF)
diff --git a/resources/com.chatterino.chatterino.appdata.xml b/resources/com.chatterino.chatterino.appdata.xml
index 8a9af97d51d..3fa93ebdc10 100644
--- a/resources/com.chatterino.chatterino.appdata.xml
+++ b/resources/com.chatterino.chatterino.appdata.xml
@@ -32,6 +32,9 @@
         <binary>chatterino</binary>
     </provides>
     <releases>
+        <release version="2.4.6" date="2023-09-28">
+            <url>https://github.com/Chatterino/chatterino2/releases/tag/v2.4.6</url>
+        </release>
         <release version="2.4.5" date="2023-08-26">
             <url>https://github.com/Chatterino/chatterino2/releases/tag/v2.4.5</url>
         </release>
diff --git a/src/common/Version.hpp b/src/common/Version.hpp
index a9496fe6c7f..5d978b19a88 100644
--- a/src/common/Version.hpp
+++ b/src/common/Version.hpp
@@ -24,7 +24,7 @@
  *  - 2.4.0-alpha.2
  *  - 2.4.0-alpha
  **/
-#define CHATTERINO_VERSION "2.4.5"
+#define CHATTERINO_VERSION "2.4.6"
 
 #if defined(Q_OS_WIN)
 #    define CHATTERINO_OS "win"