diff --git a/.github/workflows/bridge.yml b/.github/workflows/bridge.yml
index ad1f7cee6..d91dc25fb 100644
--- a/.github/workflows/bridge.yml
+++ b/.github/workflows/bridge.yml
@@ -40,9 +40,9 @@ jobs:
             gcc \
             git \
             g++ \
-            libclang-10-dev \
+            libclang-11-dev \
             libgtk-3-dev \
-            llvm-10-dev \
+            llvm-11-dev \
             nasm \
             ninja-build \
             pkg-config \
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3043bfbee..6f15cd38a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -111,6 +111,7 @@ jobs:
                g++ \
                libpam0g-dev \
                libasound2-dev \
+               libunwind-dev \
                libgstreamer1.0-dev \
                libgstreamer-plugins-base1.0-dev \
                libgtk-3-dev \
diff --git a/.github/workflows/flutter-build.yml b/.github/workflows/flutter-build.yml
index adb664311..56f7030b8 100644
--- a/.github/workflows/flutter-build.yml
+++ b/.github/workflows/flutter-build.yml
@@ -929,21 +929,21 @@ jobs:
           - {
               arch: aarch64,
               target: aarch64-linux-android,
-              os: ubuntu-20.04,
+              os: ubuntu-22.04,
               reltype: release,
               suffix: "",
             }
           - {
               arch: armv7,
               target: armv7-linux-androideabi,
-              os: ubuntu-20.04,
+              os: ubuntu-22.04,
               reltype: release,
               suffix: "",
             }
           - {
               arch: x86_64,
               target: x86_64-linux-android,
-              os: ubuntu-20.04,
+              os: ubuntu-22.04,
               reltype: release,
               suffix: "",
             }
@@ -980,7 +980,8 @@ jobs:
                libayatana-appindicator3-dev \
                libasound2-dev \
                libc6-dev \
-               libclang-10-dev \
+               libclang-11-dev \
+               libunwind-dev \
                libgstreamer1.0-dev \
                libgstreamer-plugins-base1.0-dev \
                libgtk-3-dev \
@@ -992,7 +993,7 @@ jobs:
                libxcb-xfixes0-dev \
                libxdo-dev \
                libxfixes-dev \
-               llvm-10-dev \
+               llvm-11-dev \
                nasm \
                ninja-build \
                openjdk-17-jdk-headless \
@@ -1211,7 +1212,7 @@ jobs:
     needs: [build-rustdesk-android]
     name: build rustdesk android universal apk
     if: ${{ inputs.upload-artifact }}
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     env:
       reltype: release
       x86_target: "" # can be ",android-x86"
@@ -1249,7 +1250,8 @@ jobs:
                libayatana-appindicator3-dev \
                libasound2-dev \
                libc6-dev \
-               libclang-10-dev \
+               libclang-11-dev \
+               libunwind-dev \
                libgstreamer1.0-dev \
                libgstreamer-plugins-base1.0-dev \
                libgtk-3-dev \
@@ -1261,7 +1263,7 @@ jobs:
                libxcb-xfixes0-dev \
                libxdo-dev \
                libxfixes-dev \
-               llvm-10-dev \
+               llvm-11-dev \
                nasm \
                ninja-build \
                openjdk-17-jdk-headless \
@@ -1944,7 +1946,7 @@ jobs:
   build-appimage:
     name: Build appimage ${{ matrix.job.target }}
     needs: [build-rustdesk-linux]
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     if: ${{ inputs.upload-artifact }}
     strategy:
       fail-fast: false
@@ -1973,7 +1975,8 @@ jobs:
         run: |
           # install libarchive-tools for bsdtar command used in AppImageBuilder.yml
           sudo apt-get update -y
-          sudo apt-get install -y libarchive-tools
+          # https://github.com/AppImage/AppImageKit/wiki/FUSE
+          sudo apt-get install -y libarchive-tools libfuse2
           # set-up appimage-builder
           pushd /tmp
           wget -O appimage-builder-x86_64.AppImage https://github.com/AppImageCrafters/appimage-builder/releases/download/v1.1.0/appimage-builder-1.1.0-x86_64.AppImage
@@ -2080,7 +2083,7 @@ jobs:
   build-rustdesk-web:
     if: False
     name: build-rustdesk-web
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     strategy:
       fail-fast: false
     env:
diff --git a/.github/workflows/playground.yml b/.github/workflows/playground.yml
index 1ddb25a72..3370e9921 100644
--- a/.github/workflows/playground.yml
+++ b/.github/workflows/playground.yml
@@ -241,7 +241,7 @@ jobs:
           - {
               arch: aarch64,
               target: aarch64-linux-android,
-              os: ubuntu-20.04,
+              os: ubuntu-22.04,
               openssl-arch: android-arm64,
               ref: master, # latest
             }
@@ -266,7 +266,8 @@ jobs:
                libayatana-appindicator3-dev\
                libasound2-dev \
                libc6-dev \
-               libclang-10-dev \
+               libclang-11-dev \
+               libunwind-dev \
                libgstreamer1.0-dev \
                libgstreamer-plugins-base1.0-dev \
                libgtk-3-dev \
@@ -279,7 +280,7 @@ jobs:
                libxcb-xfixes0-dev \
                libxdo-dev \
                libxfixes-dev \
-               llvm-10-dev \
+               llvm-11-dev \
                nasm \
                yasm \
                ninja-build \