diff --git a/.github/workflows/build_all.yml b/.github/workflows/build_all.yml
index 41d489d4d8..010775d119 100644
--- a/.github/workflows/build_all.yml
+++ b/.github/workflows/build_all.yml
@@ -66,7 +66,7 @@ jobs:
       matrix:
         include:
           - os: windows-latest
-          - os: macos-14
+          - os: orca-macos-arm64
             arch: arm64
     # Don't run scheduled builds on forks:
     if: ${{ !cancelled() && (github.event_name != 'schedule' || github.repository == 'OrcaSlicer/OrcaSlicer') }}
diff --git a/.github/workflows/build_check_cache.yml b/.github/workflows/build_check_cache.yml
index fee5a6e955..61de1f3ff0 100644
--- a/.github/workflows/build_check_cache.yml
+++ b/.github/workflows/build_check_cache.yml
@@ -33,7 +33,7 @@ jobs:
       - name: set outputs
         id: set_outputs
         env:
-          dep-folder-name: ${{ inputs.os != 'macos-14' && '/OrcaSlicer_dep' || '' }}
+          dep-folder-name: ${{ inputs.os != 'orca-macos-arm64' && '/OrcaSlicer_dep' || '' }}
           output-cmd: ${{ inputs.os == 'windows-latest' && '$env:GITHUB_OUTPUT' || '"$GITHUB_OUTPUT"'}}
         run: |
           echo cache-key=${{ inputs.os }}-cache-orcaslicer_deps-build-${{ hashFiles('deps/**') }} >> ${{ env.output-cmd }}
diff --git a/.github/workflows/build_deps.yml b/.github/workflows/build_deps.yml
index 6cec66f24b..2ebb53dd1f 100644
--- a/.github/workflows/build_deps.yml
+++ b/.github/workflows/build_deps.yml
@@ -74,18 +74,18 @@ jobs:
             cd ${{ github.workspace }}/deps/build
 
       - name: Build on Mac ${{ inputs.arch }}
-        if: inputs.os == 'macos-14'
+        if: inputs.os == 'orca-macos-arm64'
         working-directory: ${{ github.workspace }}
         run: |
-            brew install automake texinfo libtool
-            brew list
-            brew uninstall --ignore-dependencies zstd
-            ./build_release_macos.sh -dx -a universal -t 10.15 -1
+            # brew install automake texinfo libtool
+            # brew list
+            # brew uninstall --ignore-dependencies zstd
+            ./build_release_macos.sh -dx -a universal -t 10.15
             for arch in arm64 x86_64; do
                 (cd "${{ github.workspace }}/deps/build/${arch}" && \
                 find . -mindepth 1 -maxdepth 1 ! -name 'OrcaSlicer_dep' -exec rm -rf {} +)
             done
-            brew install zstd
+            # brew install zstd
 
 
       - name: Apt-Install Dependencies
@@ -104,7 +104,7 @@ jobs:
 
       # Upload Artifacts
       # - name: Upload Mac ${{ inputs.arch }} artifacts
-      #   if: inputs.os == 'macos-14'
+      #   if: inputs.os == 'orca-macos-arm64'
       #   uses: actions/upload-artifact@v6
       #   with:
       #     name: OrcaSlicer_dep_mac_${{ env.date }}
diff --git a/.github/workflows/build_orca.yml b/.github/workflows/build_orca.yml
index 131766e49e..094a722013 100644
--- a/.github/workflows/build_orca.yml
+++ b/.github/workflows/build_orca.yml
@@ -86,29 +86,29 @@ jobs:
 
 #   Mac
       - name: Install tools mac
-        if: inputs.os == 'macos-14'
+        if: inputs.os == 'orca-macos-arm64'
         run: |
-          brew install libtool
-          brew list
+          # brew install libtool
+          # brew list
           mkdir -p ${{ github.workspace }}/deps/build
 
-      - name: Free disk space
-        if: inputs.os == 'macos-14'
-        run: |
-          df -hI /dev/disk3s1s1
-          sudo find /Applications -maxdepth 1 -type d -name "Xcode_*.app" ! -name "Xcode_15.4.app" -exec rm -rf {} +
-          sudo rm -rf ~/Library/Developer/CoreSimulator/Caches/*
-          df -hI /dev/disk3s1s1
+      # - name: Free disk space
+      #   if: inputs.os == 'orca-macos-arm64'
+      #   run: |
+      #     df -hI /dev/disk3s1s1
+      #     sudo find /Applications -maxdepth 1 -type d -name "Xcode_*.app" ! -name "Xcode_15.4.app" -exec rm -rf {} +
+      #     sudo rm -rf ~/Library/Developer/CoreSimulator/Caches/*
+      #     df -hI /dev/disk3s1s1
 
       - name: Build slicer mac
-        if: inputs.os == 'macos-14'
+        if: inputs.os == 'orca-macos-arm64'
         working-directory: ${{ github.workspace }}
         run: |
-          ./build_release_macos.sh -s -n -x -a universal -t 10.15 -1
+          ./build_release_macos.sh -s -n -x -a universal -t 10.15
 
  # Thanks to RaySajuuk, it's working now
       - name: Sign app and notary
-        if: github.repository == 'OrcaSlicer/OrcaSlicer' && (github.ref == 'refs/heads/main' || startsWith(github.ref, 'refs/heads/release/')) && inputs.os == 'macos-14'
+        if: github.repository == 'OrcaSlicer/OrcaSlicer' && (github.ref == 'refs/heads/main' || startsWith(github.ref, 'refs/heads/release/')) && inputs.os == 'orca-macos-arm64'
         working-directory: ${{ github.workspace }}
         env:
           BUILD_CERTIFICATE_BASE64: ${{ secrets.BUILD_CERTIFICATE_BASE64 }}
@@ -161,7 +161,7 @@ jobs:
           fi
 
       - name: Create DMG without notary
-        if: github.ref != 'refs/heads/main' && inputs.os == 'macos-14'
+        if: github.ref != 'refs/heads/main' && inputs.os == 'orca-macos-arm64'
         working-directory: ${{ github.workspace }}
         run: |
           mkdir -p ${{ github.workspace }}/build/universal/OrcaSlicer_dmg
@@ -180,14 +180,14 @@ jobs:
           fi
 
       - name: Upload artifacts mac
-        if: inputs.os == 'macos-14'
+        if: inputs.os == 'orca-macos-arm64'
         uses: actions/upload-artifact@v6
         with:
           name: OrcaSlicer_Mac_universal_${{ env.ver }}
           path: ${{ github.workspace }}/OrcaSlicer_Mac_universal_${{ env.ver }}.dmg
 
       - name: Upload OrcaSlicer_profile_validator DMG mac
-        if: inputs.os == 'macos-14'
+        if: inputs.os == 'orca-macos-arm64'
         uses: actions/upload-artifact@v6
         with:
           name: OrcaSlicer_profile_validator_Mac_universal_DMG_${{ env.ver }}
@@ -195,7 +195,7 @@ jobs:
           if-no-files-found: ignore
 
       - name: Deploy Mac release
-        if: github.repository == 'OrcaSlicer/OrcaSlicer' && github.ref == 'refs/heads/main' && inputs.os == 'macos-14'
+        if: github.repository == 'OrcaSlicer/OrcaSlicer' && github.ref == 'refs/heads/main' && inputs.os == 'orca-macos-arm64'
         uses: WebFreak001/deploy-nightly@v3.2.0
         with:
           upload_url: https://uploads.github.com/repos/OrcaSlicer/OrcaSlicer/releases/137995723/assets{?name,label}
@@ -206,7 +206,7 @@ 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 Mac OrcaSlicer_profile_validator DMG release
-        if: github.repository == 'OrcaSlicer/OrcaSlicer' && github.ref == 'refs/heads/main' && inputs.os == 'macos-14'
+        if: github.repository == 'OrcaSlicer/OrcaSlicer' && github.ref == 'refs/heads/main' && inputs.os == 'orca-macos-arm64'
         uses: WebFreak001/deploy-nightly@v3.2.0
         with:
           upload_url: https://uploads.github.com/repos/OrcaSlicer/OrcaSlicer/releases/137995723/assets{?name,label}