diff --git a/metadata/ar.rulosoft.mimanganu.yml b/metadata/ar.rulosoft.mimanganu.yml
index 3026caca1f..1cd27286a3 100644
--- a/metadata/ar.rulosoft.mimanganu.yml
+++ b/metadata/ar.rulosoft.mimanganu.yml
@@ -1400,6 +1400,7 @@ Builds:
 
   - versionName: '1.124'
     versionCode: 124
+    disable: unknown maven
     commit: '1.124'
     subdir: app
     gradle:
diff --git a/metadata/com.aefyr.sai.fdroid.yml b/metadata/com.aefyr.sai.fdroid.yml
index ffcb58fc9d..7ff48e4fe5 100644
--- a/metadata/com.aefyr.sai.fdroid.yml
+++ b/metadata/com.aefyr.sai.fdroid.yml
@@ -147,44 +147,6 @@ Builds:
       - popd
       - cp $$aefyr-android-filepicker$$/build/outputs/aar/filepicker-release.aar libs/filepicker-release.aar
 
-  - versionName: '3.1'
-    versionCode: 42
-    commit: '3.1'
-    subdir: app
-    gradle:
-      - fdroid
-    srclibs:
-      - aefyr-android-filepicker@d7d923f8f58f89c732f31059d74952d7dcefb288
-    rm:
-      - app/libs/filepicker-release.aar
-    prebuild:
-      - sed -i -e '/maven/,+2d' -e '/io.fabric/d' ../build.gradle
-      - sed -i -e '/io.fabric/d' build.gradle
-    build:
-      - pushd $$aefyr-android-filepicker$$
-      - gradle assembleRelease
-      - popd
-      - cp $$aefyr-android-filepicker$$/build/outputs/aar/filepicker-release.aar libs/filepicker-release.aar
-
-  - versionName: '3.2'
-    versionCode: 43
-    commit: '3.2'
-    subdir: app
-    gradle:
-      - fdroid
-    srclibs:
-      - aefyr-android-filepicker@d7d923f8f58f89c732f31059d74952d7dcefb288
-    rm:
-      - app/libs/filepicker-release.aar
-    prebuild:
-      - sed -i -e '/maven/,+2d' -e '/io.fabric/d' ../build.gradle
-      - sed -i -e '/io.fabric/d' build.gradle
-    build:
-      - pushd $$aefyr-android-filepicker$$
-      - gradle assembleRelease
-      - popd
-      - cp $$aefyr-android-filepicker$$/build/outputs/aar/filepicker-release.aar libs/filepicker-release.aar
-
   - versionName: '3.4'
     versionCode: 45
     commit: '3.4'
diff --git a/metadata/com.android.keepass.yml b/metadata/com.android.keepass.yml
index 3635825d29..4a8c2bacd0 100644
--- a/metadata/com.android.keepass.yml
+++ b/metadata/com.android.keepass.yml
@@ -399,16 +399,6 @@ Builds:
       - app/libs
     ndk: r21
 
-  - versionName: 2.5.2.1
-    versionCode: 185
-    commit: v2.5.2.1
-    subdir: app
-    gradle:
-      - general
-    rm:
-      - app/libs
-    ndk: r21
-
   - versionName: 2.5.3
     versionCode: 186
     commit: v2.5.3
diff --git a/metadata/com.gianlu.aria2app.yml b/metadata/com.gianlu.aria2app.yml
index 512238bf4c..c42316625f 100644
--- a/metadata/com.gianlu.aria2app.yml
+++ b/metadata/com.gianlu.aria2app.yml
@@ -500,51 +500,6 @@ Builds:
     prebuild: sed -i -e '/maven.fabric.io/d' -e '/io.fabric/d' build.gradle ../build.gradle
         ../CommonUtils/build.gradle
 
-  - versionName: 5.6.0
-    versionCode: 199
-    disable: fails to build
-    commit: v5.6.0
-    subdir: app
-    submodules: true
-    gradle:
-      - foss
-    prebuild: sed -i -e '/maven.fabric.io/d' -e '/io.fabric/d' build.gradle ../build.gradle
-        ../CommonUtils/build.gradle
-
-  - versionName: 5.6.1
-    versionCode: 200
-    commit: v5.6.1
-    subdir: app
-    submodules: true
-    gradle:
-      - foss
-    prebuild: sed -i -e '/maven.fabric.io/d' -e '/io.fabric/d' build.gradle ../build.gradle
-        ../CommonUtils/build.gradle
-
-  - versionName: 5.6.3
-    versionCode: 202
-    commit: v5.6.3
-    subdir: app
-    submodules: true
-    gradle:
-      - foss
-    prebuild: sed -i -e '/maven.fabric.io/d' -e '/io.fabric/d' build.gradle ../build.gradle
-        ../CommonUtils/build.gradle
-
-  - versionName: 5.6.4
-    versionCode: 203
-    commit: v5.6.4
-    timeout: 14400
-    subdir: app
-    submodules: true
-    gradle:
-      - foss
-    prebuild: sed -i -e '/maven.fabric.io/d' -e '/io.fabric/d' build.gradle ../build.gradle
-        ../CommonUtils/build.gradle
-    scandelete:
-      - aria2lib/src/main/jniLibs
-    ndk: r21
-
   - versionName: 5.6.6
     versionCode: 205
     commit: v5.6.6
diff --git a/metadata/com.gianlu.dnshero.yml b/metadata/com.gianlu.dnshero.yml
index 3a81b8d35e..0d28bdcf74 100644
--- a/metadata/com.gianlu.dnshero.yml
+++ b/metadata/com.gianlu.dnshero.yml
@@ -167,16 +167,6 @@ Builds:
     prebuild: sed -i -e '/maven.fabric.io/d; /io.fabric/d; /com.crashlytics/d' ../build.gradle
         ../CommonUtils/build.gradle build.gradle
 
-  - versionName: 1.6.1
-    versionCode: 27
-    commit: v1.6.1
-    subdir: app
-    submodules: true
-    gradle:
-      - foss
-    prebuild: sed -i -e '/maven.fabric.io/d; /io.fabric/d; /com.crashlytics/d' ../build.gradle
-        ../CommonUtils/build.gradle build.gradle
-
   - versionName: 1.6.2
     versionCode: 28
     commit: v1.6.2
diff --git a/metadata/com.limelight.yml b/metadata/com.limelight.yml
index a6335b7259..8e83c3c4da 100644
--- a/metadata/com.limelight.yml
+++ b/metadata/com.limelight.yml
@@ -938,7 +938,7 @@ Builds:
       - cp -R include/ ${lib}/openssl/
       - make distclean
       - popd
-    ndk: r20
+    ndk: r20b
 
 AutoUpdateMode: Version v%v
 UpdateCheckMode: Tags v\d+\.\d+(\.\d+)?
diff --git a/metadata/com.simplemobiletools.filemanager.pro.yml b/metadata/com.simplemobiletools.filemanager.pro.yml
index 91a55ff1c1..c2fa9855c1 100644
--- a/metadata/com.simplemobiletools.filemanager.pro.yml
+++ b/metadata/com.simplemobiletools.filemanager.pro.yml
@@ -172,30 +172,6 @@ Builds:
       - yes
     prebuild: sed -i -e '/keystore/d' build.gradle
 
-  - versionName: 6.4.0
-    versionCode: 81
-    commit: 6.4.0
-    subdir: app
-    gradle:
-      - yes
-    prebuild: sed -i -e '/keystore/d' build.gradle
-
-  - versionName: 6.4.1
-    versionCode: 82
-    commit: 6.4.1
-    subdir: app
-    gradle:
-      - yes
-    prebuild: sed -i -e '/keystore/d' build.gradle
-
-  - versionName: 6.4.2
-    versionCode: 83
-    commit: 6.4.2
-    subdir: app
-    gradle:
-      - yes
-    prebuild: sed -i -e '/keystore/d' build.gradle
-
   - versionName: 6.5.0
     versionCode: 84
     commit: 6.5.0
diff --git a/metadata/com.zeusln.zeus.yml b/metadata/com.zeusln.zeus.yml
index f40bea4b60..b6c94bedb4 100644
--- a/metadata/com.zeusln.zeus.yml
+++ b/metadata/com.zeusln.zeus.yml
@@ -119,28 +119,9 @@ Builds:
     scandelete:
       - node_modules
 
-  - versionName: 0.2.0
-    versionCode: 14
-    commit: v0.2.0
-    subdir: android/app
-    sudo:
-      - apt-get update
-      - apt-get install -y --no-install-recommends -t stretch-backports npm
-    init:
-      - npm install
-      - npm run patch-android-release
-    gradle:
-      - yes
-    prebuild: truncate -s 0 ../../node_modules/@react-native-community/cli/build/commands/server/external/xsel
-    scanignore:
-      - android/build.gradle
-      - node_modules/react-native-screens/android/build.gradle
-    scandelete:
-      - node_modules
-
-  - versionName: 0.2.1-beta1
+  - versionName: 0.2.1
     versionCode: 15
-    commit: v0.2.1-beta1
+    commit: v0.2.1
     subdir: android/app
     sudo:
       - apt-get update
@@ -158,6 +139,6 @@ Builds:
       - node_modules
 
 AutoUpdateMode: Version v%v
-UpdateCheckMode: Tags
-CurrentVersion: 0.2.1-beta1
+UpdateCheckMode: Tags .*[0-9]$
+CurrentVersion: 0.2.1
 CurrentVersionCode: 15
diff --git a/metadata/de.delusionsoftware.congress_fahrplan.yml b/metadata/de.delusionsoftware.congress_fahrplan.yml
index 6ac7830bb2..7a4a33db84 100644
--- a/metadata/de.delusionsoftware.congress_fahrplan.yml
+++ b/metadata/de.delusionsoftware.congress_fahrplan.yml
@@ -9,16 +9,6 @@ RepoType: git
 Repo: https://github.com/benjaminSchilling33/congress_fahrplan
 
 Builds:
-  - versionName: 1.0.0
-    versionCode: 13
-    commit: 1.0.14
-    output: build/app/outputs/apk/app.apk
-    srclibs:
-      - flutter@beta
-    prebuild: sed -i -e 's/android {/android { applicationVariants.all { variant ->
-        variant.outputs.all { outputFileName = "app-release.apk"}}/' android/app/build.gradle
-    build: $$flutter$$/bin/flutter build apk -v --suppress-analytics
-
   - versionName: 1.0.15
     versionCode: 15
     commit: 1.0.15
diff --git a/metadata/eu.pretix.pretixscan.droid.yml b/metadata/eu.pretix.pretixscan.droid.yml
index e7a3f8306f..2abd57f14c 100644
--- a/metadata/eu.pretix.pretixscan.droid.yml
+++ b/metadata/eu.pretix.pretixscan.droid.yml
@@ -48,14 +48,14 @@ Builds:
 
   - versionName: 1.2.5
     versionCode: 20
-    commit: 1.2.5
+    commit: v1.2.5
     subdir: pretixscan/app
     submodules: true
     gradle:
       - yes
     output: build/outputs/apk/pretix/release/app-pretix-release-unsigned.apk
 
-AutoUpdateMode: Version %v
+AutoUpdateMode: Version v%v
 UpdateCheckMode: Tags
 CurrentVersion: 1.2.5
 CurrentVersionCode: 20
diff --git a/metadata/fil.libre.repwifiapp.yml b/metadata/fil.libre.repwifiapp.yml
index e7d0a1650c..ab93fdfaca 100644
--- a/metadata/fil.libre.repwifiapp.yml
+++ b/metadata/fil.libre.repwifiapp.yml
@@ -32,11 +32,6 @@ Builds:
     commit: v0.6.2
     subdir: app
 
-  - versionName: 0.9-beta
-    versionCode: 9
-    commit: v0.9-beta
-    subdir: app
-
   - versionName: 0.9.1-beta
     versionCode: 10
     commit: v0.9.1-beta
diff --git a/metadata/ga.testapp.testapp.yml b/metadata/ga.testapp.testapp.yml
index 9aa137b987..5bc769a3b7 100644
--- a/metadata/ga.testapp.testapp.yml
+++ b/metadata/ga.testapp.testapp.yml
@@ -78,20 +78,6 @@ Builds:
       - $$flutter$$/bin/flutter packages pub get
       - $$flutter$$/bin/flutter build apk
 
-  - versionName: 3.4.0
-    versionCode: 43
-    disable: fails to build
-    commit: 3.4.0
-    output: build/app/outputs/apk/release/app-release.apk
-    srclibs:
-      - flutter@v1.12.13+hotfix.7
-    prebuild: echo 'android.applicationVariants.all { variant -> variant.outputs.all
-        { output -> outputFileName = "app-${output.baseName}.apk" } }' >> android/app/build.gradle
-    build:
-      - $$flutter$$/bin/flutter config --no-analytics
-      - $$flutter$$/bin/flutter packages pub get
-      - $$flutter$$/bin/flutter build apk
-
   - versionName: 3.5.0
     versionCode: 44
     commit: 3.5.0
diff --git a/metadata/net.reichholf.dreamdroid.yml b/metadata/net.reichholf.dreamdroid.yml
index 2621c21c29..e5e587acdb 100644
--- a/metadata/net.reichholf.dreamdroid.yml
+++ b/metadata/net.reichholf.dreamdroid.yml
@@ -73,16 +73,9 @@ Builds:
       - fdroid
     prebuild: sed -i -e '/enable true/d; /output.versionCodeOverride/,+2d' build.gradle
 
-  - versionName: 1.5.436
-    versionCode: 436
-    commit: v1.5.436
-    subdir: app
-    gradle:
-      - fdroid
-    prebuild: sed -i -e '/enable true/d; /output.versionCodeOverride/,+2d' build.gradle
-
   - versionName: 1.5.438
     versionCode: 438
+    disable: unknown maven
     commit: v1.5.438
     subdir: app
     gradle:
diff --git a/metadata/network.ubic.ubic.yml b/metadata/network.ubic.ubic.yml
index 3b528b4df7..e6798631ac 100644
--- a/metadata/network.ubic.ubic.yml
+++ b/metadata/network.ubic.ubic.yml
@@ -86,66 +86,6 @@ Builds:
       - mv $$openssl_for_ios_and_android$$/libs/x86/lib/*.a ../distribution/openssl/x86/lib/
     ndk: r14b
 
-  - versionName: '4.0'
-    versionCode: 10
-    commit: '4.0'
-    subdir: app
-    sudo:
-      - apt-get update || apt-get update
-      - apt-get install -y ninja-build
-    gradle:
-      - yes
-    srclibs:
-      - openssl_for_ios_and_android@android_openssl-1.1.0f_curl-7.54.1
-    prebuild: sed -i -e 's/zlib \\/no-zlib \\/' $$openssl_for_ios_and_android$$/build-openssl4android.sh
-    scandelete:
-      - app/CMakeFiles/
-      - distribution/
-    build:
-      - pushd $$openssl_for_ios_and_android$$
-      - ./build-openssl4android.sh android
-      - popd
-      - mv $$openssl_for_ios_and_android$$/libs/armeabi/lib/*.a ../distribution/openssl/armeabi/lib/
-      - pushd $$openssl_for_ios_and_android$$
-      - ./build-openssl4android.sh android-armeabi
-      - popd
-      - mv $$openssl_for_ios_and_android$$/libs/armeabi-v7a/lib/*.a ../distribution/openssl/armeabi-v7a/lib/
-      - pushd $$openssl_for_ios_and_android$$
-      - ./build-openssl4android.sh android-x86
-      - popd
-      - mv $$openssl_for_ios_and_android$$/libs/x86/lib/*.a ../distribution/openssl/x86/lib/
-    ndk: r14b
-
-  - versionName: '4.1'
-    versionCode: 11
-    commit: '4.1'
-    subdir: app
-    sudo:
-      - apt-get update || apt-get update
-      - apt-get install -y ninja-build
-    gradle:
-      - yes
-    srclibs:
-      - openssl_for_ios_and_android@android_openssl-1.1.0f_curl-7.54.1
-    prebuild: sed -i -e 's/zlib \\/no-zlib \\/' $$openssl_for_ios_and_android$$/build-openssl4android.sh
-    scandelete:
-      - app/CMakeFiles/
-      - distribution/
-    build:
-      - pushd $$openssl_for_ios_and_android$$
-      - ./build-openssl4android.sh android
-      - popd
-      - mv $$openssl_for_ios_and_android$$/libs/armeabi/lib/*.a ../distribution/openssl/armeabi/lib/
-      - pushd $$openssl_for_ios_and_android$$
-      - ./build-openssl4android.sh android-armeabi
-      - popd
-      - mv $$openssl_for_ios_and_android$$/libs/armeabi-v7a/lib/*.a ../distribution/openssl/armeabi-v7a/lib/
-      - pushd $$openssl_for_ios_and_android$$
-      - ./build-openssl4android.sh android-x86
-      - popd
-      - mv $$openssl_for_ios_and_android$$/libs/x86/lib/*.a ../distribution/openssl/x86/lib/
-    ndk: r14b
-
   - versionName: '4.3'
     versionCode: 12
     commit: '4.3'
diff --git a/metadata/org.koreader.launcher.yml b/metadata/org.koreader.launcher.yml
index 6bc6912e07..cd9b8a928a 100644
--- a/metadata/org.koreader.launcher.yml
+++ b/metadata/org.koreader.launcher.yml
@@ -254,7 +254,7 @@ Builds:
     submodules: true
     sudo:
       - apt-get update || apt-get update
-      - apt-get install -y gcc-multilib luarocks p7zip-full
+      - apt-get install -y gcc-multilib luarocks p7zip-full ragel
     output: koreader-android-*.apk
     rm:
       - platform/ubuntu-touch/
diff --git a/metadata/org.nonononoki.hendroid.yml b/metadata/org.nonononoki.hendroid.yml
index a854729bef..330e18fe6e 100644
--- a/metadata/org.nonononoki.hendroid.yml
+++ b/metadata/org.nonononoki.hendroid.yml
@@ -55,6 +55,7 @@ Builds:
 
   - versionName: 1.11.2
     versionCode: 146
+    disable: unknown maven
     commit: 1.11.2
     subdir: app
     gradle:
diff --git a/metadata/org.softeg.slartus.forpdaplus.yml b/metadata/org.softeg.slartus.forpdaplus.yml
index dcaa5770bd..ebd188b481 100644
--- a/metadata/org.softeg.slartus.forpdaplus.yml
+++ b/metadata/org.softeg.slartus.forpdaplus.yml
@@ -279,8 +279,8 @@ Builds:
     prebuild: sed -i -e '/applicationVariants.all/,/^    }/d; /signingConfigs/d' build.gradle
 
   - versionName: 3.5.6
-    versionCode: 635
-    commit: 3.5.6
+    versionCode: 636
+    commit: 8259a4bfc64b97c5ae114099452454e0a5de17e7
     subdir: app
     gradle:
       - rel
@@ -291,4 +291,4 @@ UpdateCheckMode: HTTP
 UpdateCheckData: https://raw.githubusercontent.com/slartus/4pdaClient-plus/master/app/build.gradle|def
     appVersionCode = (.*)|.|def appVersionName = "(.*)"
 CurrentVersion: 3.5.6
-CurrentVersionCode: 635
+CurrentVersionCode: 636