diff --git a/.github/workflows/build_preview.yml b/.github/workflows/build_preview.yml
index 3ce21dd8b..420685fd1 100644
--- a/.github/workflows/build_preview.yml
+++ b/.github/workflows/build_preview.yml
@@ -186,23 +186,23 @@ jobs:
         run: |
           set -e
 
-          mv app/build/outputs/apk/${{ needs.prepare-build.outputs.ARTIFACTS_PREFIX }}-universal-preview-unsigned-signed.apk Komikku-${{ needs.prepare-build.outputs.TAG_NAME }}.apk
+          mv app/build/outputs/apk/${{ needs.prepare-build.outputs.ARTIFACTS_PREFIX }}-universal-preview-signed.apk Komikku-${{ needs.prepare-build.outputs.TAG_NAME }}.apk
           sha=`sha256sum Komikku-${{ needs.prepare-build.outputs.TAG_NAME }}.apk | awk '{ print $1 }'`
           echo "APK_UNIVERSAL_SHA=$sha" >> $GITHUB_OUTPUT
 
-          mv app/build/outputs/apk/${{ needs.prepare-build.outputs.ARTIFACTS_PREFIX }}-arm64-v8a-preview-unsigned-signed.apk Komikku-arm64-v8a-${{ needs.prepare-build.outputs.TAG_NAME }}.apk
+          mv app/build/outputs/apk/${{ needs.prepare-build.outputs.ARTIFACTS_PREFIX }}-arm64-v8a-preview-signed.apk Komikku-arm64-v8a-${{ needs.prepare-build.outputs.TAG_NAME }}.apk
           sha=`sha256sum Komikku-arm64-v8a-${{ needs.prepare-build.outputs.TAG_NAME }}.apk | awk '{ print $1 }'`
           echo "APK_ARM64_V8A_SHA=$sha" >> $GITHUB_OUTPUT
 
-          mv app/build/outputs/apk/${{ needs.prepare-build.outputs.ARTIFACTS_PREFIX }}-armeabi-v7a-preview-unsigned-signed.apk Komikku-armeabi-v7a-${{ needs.prepare-build.outputs.TAG_NAME }}.apk
+          mv app/build/outputs/apk/${{ needs.prepare-build.outputs.ARTIFACTS_PREFIX }}-armeabi-v7a-preview-signed.apk Komikku-armeabi-v7a-${{ needs.prepare-build.outputs.TAG_NAME }}.apk
           sha=`sha256sum Komikku-armeabi-v7a-${{ needs.prepare-build.outputs.TAG_NAME }}.apk | awk '{ print $1 }'`
           echo "APK_ARMEABI_V7A_SHA=$sha" >> $GITHUB_OUTPUT
 
-          mv app/build/outputs/apk/${{ needs.prepare-build.outputs.ARTIFACTS_PREFIX }}-x86-preview-unsigned-signed.apk Komikku-x86-${{ needs.prepare-build.outputs.TAG_NAME }}.apk
+          mv app/build/outputs/apk/${{ needs.prepare-build.outputs.ARTIFACTS_PREFIX }}-x86-preview-signed.apk Komikku-x86-${{ needs.prepare-build.outputs.TAG_NAME }}.apk
           sha=`sha256sum Komikku-x86-${{ needs.prepare-build.outputs.TAG_NAME }}.apk | awk '{ print $1 }'`
           echo "APK_X86_SHA=$sha" >> $GITHUB_OUTPUT
 
-          mv app/build/outputs/apk/${{ needs.prepare-build.outputs.ARTIFACTS_PREFIX }}-x86_64-preview-unsigned-signed.apk Komikku-x86_64-${{ needs.prepare-build.outputs.TAG_NAME }}.apk
+          mv app/build/outputs/apk/${{ needs.prepare-build.outputs.ARTIFACTS_PREFIX }}-x86_64-preview-signed.apk Komikku-x86_64-${{ needs.prepare-build.outputs.TAG_NAME }}.apk
           sha=`sha256sum Komikku-x86_64-${{ needs.prepare-build.outputs.TAG_NAME }}.apk | awk '{ print $1 }'`
           echo "APK_X86_64_SHA=$sha" >> $GITHUB_OUTPUT
 
diff --git a/.github/workflows/build_pull_request.yml b/.github/workflows/build_pull_request.yml
index 3651572cd..f80512a4e 100644
--- a/.github/workflows/build_pull_request.yml
+++ b/.github/workflows/build_pull_request.yml
@@ -37,6 +37,9 @@ jobs:
         with:
           fetch-depth: 0
 
+      - name: Validate Gradle Wrapper
+        uses: gradle/actions/wrapper-validation@d156388eb19639ec20ade50009f3d199ce1e2808 # v4.1.0
+
       - name: Set up JDK
         uses: actions/setup-java@3a4f6e1af504cf6a31855fa899c6aa5355ba6c12 # v4.7.0
         with:
diff --git a/app/src/main/res/raw/changelog_release.xml b/app/src/main/res/raw/changelog_release.xml
index 7b16092fe..999de98f7 100644
--- a/app/src/main/res/raw/changelog_release.xml
+++ b/app/src/main/res/raw/changelog_release.xml
@@ -1,6 +1,18 @@
 <?xml version="1.0" encoding="utf-8"?>
 <changelog bulletedList="true">
-    <changelogversion versionName="1.13.0" changeDate="March 08, 2025">
+    <changelogversion versionName="1.13.1" changeDate="2025">
+        <changelogtext>[b]New:[/b] Open source settings from Browse &amp; Manga screen</changelogtext>
+        <changelogtext>[b]New:[/b] Add badge to UpdateScreen header</changelogtext>
+        <changelogtext>[b]Improve:[/b] EH/ExH: better language detection in case actual language tag is not the first one</changelogtext>
+        <changelogtext>[b]Improve:[/b] Move `Suggestions` settings to same place</changelogtext>
+        <changelogtext>[b]Improve:[/b] Add back option to hide unread chapter badge in library</changelogtext>
+        <changelogtext>[b]Fix:[/b] Backup sharing from notifications not working when app is in background</changelogtext>
+        <changelogtext>[b]Fix:[/b] Messed up trackers progress update always auto sync</changelogtext>
+        <changelogtext>[b]Fix:[/b] Vertical chapter navigator overlap bottom bar</changelogtext>
+        <changelogtext>[b]Fix:[/b] Update base URL and host for Pururin to pururin.me</changelogtext>
+        <changelogtext>[b]Fix:[/b] Bangumi search including novels</changelogtext>
+    </changelogversion>
+    <changelogversion versionName="1.13.0" changeDate="March 28, 2025">
         <changelogtext>[b]New:[/b] feat: unify recommendation screens combine MAL, AniList, MangaUpdates, MangaDex, Comick</changelogtext>
         <changelogtext>[b]New:[/b] Support for private tracking with AniList, Bangumi, Kitsu</changelogtext>
         <changelogtext>[b]New:[/b] Notification rich info</changelogtext>
@@ -15,8 +27,6 @@
         <changelogtext>[b]New:[/b] Add global search shortcut to SmartSearch</changelogtext>
         <changelogtext>[b]New:[/b] Add option to export minimal library information to a CSV file</changelogtext>
         <changelogtext>[b]New:[/b] Add "Monochrome" theme</changelogtext>
-        <changelogtext>[b]New:[/b] Open source settings from Browse &amp; Manga screen</changelogtext>
-        <changelogtext>[b]New:[/b] Add badge to UpdateScreen header</changelogtext>
         <changelogtext>[b]New:[/b] Add prefix search to search by internal DB ID</changelogtext>
         <changelogtext>[b]Improve:[/b] (EditMergedSettings): Allow open merge children manga</changelogtext>
         <changelogtext>[b]Improve:[/b] Apply "Downloaded only" filter to all entries regardless of favourite status</changelogtext>
@@ -33,12 +43,9 @@
         <changelogtext>[b]Improve:[/b] Description showing which sources support batch-add</changelogtext>
         <changelogtext>[b]Improve:[/b] Spoof or remove `X-Requested-With` header from webview</changelogtext>
         <changelogtext>[b]Improve:[/b] update website link</changelogtext>
-        <changelogtext>[b]Improve:[/b] EH/ExH: better language detection in case actual language tag is not the first one</changelogtext>
         <changelogtext>[b]Improve:[/b] Restore original list header's background color</changelogtext>
-        <changelogtext>[b]Improve:[/b] Move `Suggestions` settings to same place</changelogtext>
         <changelogtext>[b]Improve:[/b] Replace repo icon</changelogtext>
         <changelogtext>[b]Improve:[/b] Removed 6h auto updates</changelogtext>
-        <changelogtext>[b]Improve:[/b] Add back option to hide unread chapter badge in library</changelogtext>
         <changelogtext>[b]Fix:[/b] Infinix, Xiaomi webview</changelogtext>
         <changelogtext>[b]Fix:[/b] App's preferences referencing deleted categories</changelogtext>
         <changelogtext>[b]Fix:[/b] Bangumi login regression</changelogtext>
@@ -60,11 +67,8 @@
         <changelogtext>[b]Fix:[/b] Attempt to fix crash when migrating or removing entries from library</changelogtext>
         <changelogtext>[b]Fix:[/b] fill info from trackers only looking for specific 'Art' or 'Story'</changelogtext>
         <changelogtext>[b]Fix:[/b] an issue where tracker reading progress is changed to a lower value</changelogtext>
-        <changelogtext>[b]Fix:[/b] Backup sharing from notifications not working when app is in background</changelogtext>
         <changelogtext>[b]Fix:[/b] Messed up trackers progress update always auto sync</changelogtext>
-        <changelogtext>[b]Fix:[/b] Vertical chapter navigator overlap bottom bar</changelogtext>
         <changelogtext>[b]Fix:[/b] Update base URL and host for Pururin to pururin.me</changelogtext>
-        <changelogtext>[b]Fix:[/b] Bangumi search including novels</changelogtext>
     </changelogversion>
     <changelogversion versionName="1.12.6" changeDate="February 14, 2025">
         <changelogtext>[b]Fix:[/b] crash due to extensions destructuring MangasPage</changelogtext>