diff --git a/.github/workflows/build_all.yml b/.github/workflows/build_all.yml
index e53485d8c..62889887b 100644
--- a/.github/workflows/build_all.yml
+++ b/.github/workflows/build_all.yml
@@ -43,7 +43,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-20.04
+          - os: ubuntu-22.04
           - os: ubuntu-24.04
           - os: windows-latest
           - os: macos-13
diff --git a/.github/workflows/build_bambu.yml b/.github/workflows/build_bambu.yml
index 77b184989..b06aeddb5 100644
--- a/.github/workflows/build_bambu.yml
+++ b/.github/workflows/build_bambu.yml
@@ -226,24 +226,24 @@ jobs:
 
   # Ubuntu
       - name: Install dependencies from BuildLinux.sh
-        if: inputs.os == 'ubuntu-20.04' || inputs.os == 'ubuntu-24.04'
+        if: inputs.os == 'ubuntu-22.04' || inputs.os == 'ubuntu-24.04'
         shell: bash
         run: sudo ./BuildLinux.sh -ur
 
       - name: Fix permissions
-        if: inputs.os == 'ubuntu-20.04' || inputs.os == 'ubuntu-24.04'
+        if: inputs.os == 'ubuntu-22.04' || inputs.os == 'ubuntu-24.04'
         shell: bash
         run: sudo chown $USER -R ./
 
       - name: Build slicer
-        if: inputs.os == 'ubuntu-20.04' || inputs.os == 'ubuntu-24.04'
+        if: inputs.os == 'ubuntu-22.04' || inputs.os == 'ubuntu-24.04'
         shell: bash
         run: |
           ./BuildLinux.sh -isfr
           mv -n ./build/BambuStudio_ubu64.AppImage ./build/Bambu_Studio_${{inputs.os}}_${{ env.ver }}.AppImage
 
       # - name: Build orca_custom_preset_tests
-      #   if: github.ref == 'refs/heads/main' && inputs.os == 'ubuntu-20.04'
+      #   if: github.ref == 'refs/heads/main' && inputs.os == 'ubuntu-22.04'
       #   working-directory: ${{ github.workspace }}/build/src
       #   shell: bash
       #   run: |
@@ -252,14 +252,14 @@ jobs:
       #     zip -r orca_custom_preset_tests.zip user/
 
       - name: Upload artifacts Ubuntu
-        if: ${{ ! env.ACT && (inputs.os == 'ubuntu-20.04' || inputs.os == 'ubuntu-24.04') }}
+        if: ${{ ! env.ACT && (inputs.os == 'ubuntu-22.04' || inputs.os == 'ubuntu-24.04') }}
         uses: actions/upload-artifact@v4
         with:
           name: BambuStudio_${{inputs.os}}_${{ env.ver }}
           path: './build/Bambu_Studio_${{inputs.os}}_${{ env.ver }}.AppImage'
 
       # - name: Deploy Ubuntu release
-      #   if: ${{ ! env.ACT && github.ref == 'refs/heads/main' && inputs.os == 'ubuntu-20.04' }}
+      #   if: ${{ ! env.ACT && github.ref == 'refs/heads/main' && inputs.os == 'ubuntu-22.04' }}
       #   uses: WebFreak001/deploy-nightly@v3.1.0
       #   with:
       #     upload_url: https://uploads.github.com/repos/SoftFever/OrcaSlicer/releases/137995723/assets{?name,label}
@@ -270,7 +270,7 @@ jobs:
       #     max_releases: 1 # optional, if there are more releases than this matching the asset_name, the oldest ones are going to be deleted
 
       # - name: Deploy orca_custom_preset_tests
-      #   if: ${{ ! env.ACT && github.ref == 'refs/heads/main' && inputs.os == 'ubuntu-20.04' }}
+      #   if: ${{ ! env.ACT && github.ref == 'refs/heads/main' && inputs.os == 'ubuntu-22.04' }}
       #   uses: WebFreak001/deploy-nightly@v3.1.0
       #   with:
       #     upload_url: https://uploads.github.com/repos/SoftFever/OrcaSlicer/releases/137995723/assets{?name,label}
diff --git a/.github/workflows/build_deps.yml b/.github/workflows/build_deps.yml
index 9b04fb66b..ba998ccf3 100644
--- a/.github/workflows/build_deps.yml
+++ b/.github/workflows/build_deps.yml
@@ -103,7 +103,7 @@ jobs:
 
 
       - name: Build on Ubuntu
-        if: inputs.os == 'ubuntu-20.04' || inputs.os == 'ubuntu-24.04'
+        if: inputs.os == 'ubuntu-22.04' || inputs.os == 'ubuntu-24.04'
         working-directory: ${{ github.workspace }}
         run: |
             sudo ./BuildLinux.sh -ur
@@ -129,7 +129,7 @@ jobs:
           path: ${{ github.workspace }}/deps/build/BambuStudio_dep*.zip
 
       - name: Upload Ubuntu artifacts
-        if: ${{ ! env.ACT && (inputs.os == 'ubuntu-20.04' || inputs.os == 'ubuntu-24.04') }}
+        if: ${{ ! env.ACT && (inputs.os == 'ubuntu-22.04' || inputs.os == 'ubuntu-24.04') }}
         uses: actions/upload-artifact@v4
         with:
           name: BambuStudio_dep_${{ inputs.os }}_${{ env.date }}
diff --git a/deps/TIFF/TIFF.cmake b/deps/TIFF/TIFF.cmake
index 93b3fcfc5..19bef192f 100644
--- a/deps/TIFF/TIFF.cmake
+++ b/deps/TIFF/TIFF.cmake
@@ -1,8 +1,8 @@
 find_package(OpenGL QUIET REQUIRED)
 
 bambustudio_add_cmake_project(TIFF
-    URL https://gitlab.com/libtiff/libtiff/-/archive/v4.1.0/libtiff-v4.1.0.zip
-    URL_HASH SHA256=c56edfacef0a60c0de3e6489194fcb2f24c03dbb550a8a7de5938642d045bd32
+    URL https://download.osgeo.org/libtiff/tiff-4.1.0.zip
+    URL_HASH SHA256=6F3DBED9D2ECFED33C7192B5C01884078970657FA21B4AD28E3CDF3438EB2419
     DEPENDS ${ZLIB_PKG} ${PNG_PKG} ${JPEG_PKG}
     CMAKE_ARGS
         -Dlzma:BOOL=OFF