diff --git a/.github/workflows/dev-daily-fixed.yml b/.github/workflows/dev-daily-fixed.yml
index d90ea6b..15f5450 100644
--- a/.github/workflows/dev-daily-fixed.yml
+++ b/.github/workflows/dev-daily-fixed.yml
@@ -105,9 +105,13 @@ jobs:
       - name: Package macOS arm64 dev artifacts
         shell: bash
         run: |
+          set -euo pipefail
           export ELECTRON_BUILDER_BINARIES_MIRROR="https://github.com/electron-userland/electron-builder-binaries/releases/download/"
           echo "Using ELECTRON_BUILDER_BINARIES_MIRROR=$ELECTRON_BUILDER_BINARIES_MIRROR"
-          npx electron-builder --mac dmg zip --arm64 --publish never '--config.publish.channel=dev' '--config.artifactName=${productName}-dev-arm64.${ext}'
+          if ! npx electron-builder --mac dmg zip --arm64 --publish never '--config.publish.channel=dev' '--config.artifactName=${productName}-dev-arm64.${ext}'; then
+            echo "::warning::DMG packaging failed (hdiutil instability on runner). Retrying with ZIP only."
+            npx electron-builder --mac zip --arm64 --publish never '--config.publish.channel=dev' '--config.artifactName=${productName}-dev-arm64.${ext}'
+          fi
 
       - name: Upload macOS arm64 assets to fixed release
         env:
@@ -314,6 +318,9 @@ jobs:
           WINDOWS_ASSET="$(pick_asset "dev-x64-Setup[.]exe$")"
           WINDOWS_ARM64_ASSET="$(pick_asset "dev-arm64-Setup[.]exe$")"
           MAC_ASSET="$(pick_asset "dev-arm64[.]dmg$")"
+          if [ -z "$MAC_ASSET" ]; then
+            MAC_ASSET="$(pick_asset "dev-arm64[.]zip$")"
+          fi
           LINUX_TAR_ASSET="$(pick_asset "dev-linux[.]tar[.]gz$")"
           LINUX_APPIMAGE_ASSET="$(pick_asset "dev-linux[.]AppImage$")"
 
diff --git a/.github/workflows/preview-nightly-main.yml b/.github/workflows/preview-nightly-main.yml
index 94ad390..08b8556 100644
--- a/.github/workflows/preview-nightly-main.yml
+++ b/.github/workflows/preview-nightly-main.yml
@@ -134,9 +134,13 @@ jobs:
           CSC_IDENTITY_AUTO_DISCOVERY: "false"
         shell: bash
         run: |
+          set -euo pipefail
           export ELECTRON_BUILDER_BINARIES_MIRROR="https://github.com/electron-userland/electron-builder-binaries/releases/download/"
           echo "Using ELECTRON_BUILDER_BINARIES_MIRROR=$ELECTRON_BUILDER_BINARIES_MIRROR"
-          npx electron-builder --mac dmg zip --arm64 --publish never '--config.publish.channel=preview' '--config.artifactName=${productName}-preview-arm64.${ext}'
+          if ! npx electron-builder --mac dmg zip --arm64 --publish never '--config.publish.channel=preview' '--config.artifactName=${productName}-preview-arm64.${ext}'; then
+            echo "::warning::DMG packaging failed (hdiutil instability on runner). Retrying with ZIP only."
+            npx electron-builder --mac zip --arm64 --publish never '--config.publish.channel=preview' '--config.artifactName=${productName}-preview-arm64.${ext}'
+          fi
 
       - name: Upload macOS arm64 assets to fixed preview release
         env:
@@ -359,6 +363,9 @@ jobs:
           fi
           WINDOWS_ARM64_ASSET="$(pick_asset "arm64.*[.]exe$")"
           MAC_ASSET="$(pick_asset "[.]dmg$")"
+          if [ -z "$MAC_ASSET" ]; then
+            MAC_ASSET="$(pick_asset "[.]zip$")"
+          fi
           LINUX_TAR_ASSET="$(pick_asset "[.]tar[.]gz$")"
           LINUX_APPIMAGE_ASSET="$(pick_asset "[.]AppImage$")"
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index f0e88a8..33ae8f0 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -49,9 +49,13 @@ jobs:
           CSC_IDENTITY_AUTO_DISCOVERY: "false"
         shell: bash
         run: |
+          set -euo pipefail
           export ELECTRON_BUILDER_BINARIES_MIRROR="https://github.com/electron-userland/electron-builder-binaries/releases/download/"
           echo "Using ELECTRON_BUILDER_BINARIES_MIRROR=$ELECTRON_BUILDER_BINARIES_MIRROR"
-          npx electron-builder --mac dmg zip --arm64 --publish always '--config.publish.owner=${{ github.repository_owner }}' '--config.publish.repo=${{ github.event.repository.name }}'
+          if ! npx electron-builder --mac dmg zip --arm64 --publish always '--config.publish.owner=${{ github.repository_owner }}' '--config.publish.repo=${{ github.event.repository.name }}'; then
+            echo "::warning::DMG packaging failed (hdiutil instability on runner). Retrying with ZIP only."
+            npx electron-builder --mac zip --arm64 --publish always '--config.publish.owner=${{ github.repository_owner }}' '--config.publish.repo=${{ github.event.repository.name }}'
+          fi
 
       - name: Inject minimumVersion into latest yml
         env:
@@ -274,6 +278,9 @@ jobs:
           fi
           WINDOWS_ARM64_ASSET="$(echo "$ASSETS_JSON" | jq -r '[.assets[].name | select(test("arm64.*\\.exe$"))][0] // ""')"
           MAC_ASSET="$(pick_asset "\\.dmg$")"
+          if [ -z "$MAC_ASSET" ]; then
+            MAC_ASSET="$(pick_asset "arm64\\.zip$")"
+          fi
           LINUX_TAR_ASSET="$(pick_asset "\\.tar\\.gz$")"
           LINUX_APPIMAGE_ASSET="$(pick_asset "\\.AppImage$")"