diff --git a/metadata/com.github.axet.hourlyreminder.yml b/metadata/com.github.axet.hourlyreminder.yml
index ffb0251856..b5fcb304b7 100644
--- a/metadata/com.github.axet.hourlyreminder.yml
+++ b/metadata/com.github.axet.hourlyreminder.yml
@@ -709,6 +709,7 @@ Builds:
 
   - versionName: 3.4.24
     versionCode: 439
+    disable: fails to build
     commit: hourlyreminder-3.4.24
     subdir: app
     gradle:
diff --git a/metadata/com.jeffliu.balancetheball.yml b/metadata/com.jeffliu.balancetheball.yml
index 7511f7952a..051d2a6f5a 100644
--- a/metadata/com.jeffliu.balancetheball.yml
+++ b/metadata/com.jeffliu.balancetheball.yml
@@ -20,7 +20,7 @@ Builds:
 
   - versionName: 1.1.0
     versionCode: 4
-    commit: 1.1.0
+    commit: '1.1'
     subdir: app
     gradle:
       - yes
diff --git a/metadata/com.luk.saucenao.yml b/metadata/com.luk.saucenao.yml
index df351bea93..2c51fcc46f 100644
--- a/metadata/com.luk.saucenao.yml
+++ b/metadata/com.luk.saucenao.yml
@@ -64,6 +64,7 @@ Builds:
     subdir: app
     gradle:
       - yes
+    prebuild: sed -i -e 's/6.8-rc-1/6.7/' ../gradle/wrapper/gradle-wrapper.properties
 
 AutoUpdateMode: Version v%v
 UpdateCheckMode: Tags
diff --git a/metadata/fr.jnda.android.flashalert.yml b/metadata/fr.jnda.android.flashalert.yml
index 2107adb07b..2c19c1ec09 100644
--- a/metadata/fr.jnda.android.flashalert.yml
+++ b/metadata/fr.jnda.android.flashalert.yml
@@ -39,13 +39,6 @@ Builds:
     gradle:
       - yes
 
-  - versionName: 2.0.9
-    versionCode: 7028434
-    commit: 2.0.9
-    subdir: FlashAlerte
-    gradle:
-      - yes
-
   - versionName: 2.1.0
     versionCode: 7106515
     commit: 2.1.0
diff --git a/metadata/info.metadude.android.rc3.schedule.yml b/metadata/info.metadude.android.rc3.schedule.yml
index e1536e3134..232131faed 100644
--- a/metadata/info.metadude.android.rc3.schedule.yml
+++ b/metadata/info.metadude.android.rc3.schedule.yml
@@ -61,7 +61,7 @@ Builds:
 
   - versionName: 1.48.2-rC3-Edition
     versionCode: 79
-    commit: v.1.48.2-rC3-Edition
+    commit: v.1.48.2
     subdir: app
     gradle:
       - rc3
diff --git a/metadata/io.github.muntashirakon.unapkm.yml b/metadata/io.github.muntashirakon.unapkm.yml
index 9061db6bb1..d602dc9963 100644
--- a/metadata/io.github.muntashirakon.unapkm.yml
+++ b/metadata/io.github.muntashirakon.unapkm.yml
@@ -39,7 +39,6 @@ Builds:
     versionCode: 3
     commit: v1.2
     subdir: app
-    submodules: true
     gradle:
       - yes
     scandelete:
diff --git a/metadata/net.vonforst.evmap.yml b/metadata/net.vonforst.evmap.yml
index 8aeade52da..808f49eefb 100644
--- a/metadata/net.vonforst.evmap.yml
+++ b/metadata/net.vonforst.evmap.yml
@@ -27,20 +27,6 @@ Builds:
       - GOOGLE_MAPS_API_KEY=
       - MAPBOX_API_KEY=pk.eyJ1IjoiZXZtYXAiLCJhIjoiY2tkbHQwdmNwMTF3YTJxbzhpbTVmZTlhaSJ9.jPLwERG4o6fAPP98wneezg
 
-  - versionName: 0.4.0
-    versionCode: 27
-    commit: 0.4.0
-    subdir: app
-    gradle:
-      - foss
-    rm:
-      - app/libs/*.aar
-    prebuild: sed -i -e '/places-maps-sdk-3.1.0-beta/d' build.gradle
-    gradleprops:
-      - GOINGELECTRIC_API_KEY=7ef9a064ec4602a853c9201ac35be94b
-      - GOOGLE_MAPS_API_KEY=
-      - MAPBOX_API_KEY=pk.eyJ1IjoiZXZtYXAiLCJhIjoiY2tkbHQwdmNwMTF3YTJxbzhpbTVmZTlhaSJ9.jPLwERG4o6fAPP98wneezg
-
   - versionName: 0.4.1
     versionCode: 28
     commit: 0.4.1
diff --git a/metadata/org.ea.sqrl.yml b/metadata/org.ea.sqrl.yml
index 5f91dd9d0f..f5cfa00c0e 100644
--- a/metadata/org.ea.sqrl.yml
+++ b/metadata/org.ea.sqrl.yml
@@ -209,7 +209,7 @@ Builds:
       - yes
     output: gen_build/outputs/apk/release/app-release-unsigned.apk
     prebuild: $ANDROID_HOME/tools/bin/sdkmanager 'cmake;3.10.2.4988404'
-    ndk: r21
+    ndk: r21d
 
 MaintainerNotes: |-
     Build instructions:
diff --git a/metadata/org.ghostsinthelab.apps.guilelessbopomofo.yml b/metadata/org.ghostsinthelab.apps.guilelessbopomofo.yml
index 7ade81becc..ff36f9fb84 100644
--- a/metadata/org.ghostsinthelab.apps.guilelessbopomofo.yml
+++ b/metadata/org.ghostsinthelab.apps.guilelessbopomofo.yml
@@ -15,19 +15,6 @@ RepoType: git
 Repo: https://github.com/hiroshiyui/GuilelessBopomofo.git
 
 Builds:
-  - versionName: 1.1.3
-    versionCode: 15
-    commit: 1.1.3
-    subdir: app
-    submodules: true
-    sudo:
-      - apt-get update || apt-get update
-      - apt-get install -y libsqlite3-dev
-    gradle:
-      - yes
-    scanignore:
-      - app/libs/libchewing/
-
   - versionName: 1.1.4
     versionCode: 16
     commit: 1.1.4
@@ -40,6 +27,7 @@ Builds:
       - yes
     scanignore:
       - app/libs/libchewing/
+    ndk: r21d
 
 AutoUpdateMode: Version %v
 UpdateCheckMode: Tags
diff --git a/metadata/org.tether.tether.yml b/metadata/org.tether.tether.yml
index ba7593b769..77c551dfa7 100644
--- a/metadata/org.tether.tether.yml
+++ b/metadata/org.tether.tether.yml
@@ -110,6 +110,7 @@ Builds:
 
   - versionName: 0.1.5
     versionCode: 153
+    disable: wrong version
     commit: 0.1.5
     submodules: true
     output: build/app/outputs/apk/release/app-release.apk