diff --git a/.github/workflows/Generate-PR.yml b/.github/workflows/Generate-PR.yml
index cbc9b0627..7e5f50f6c 100644
--- a/.github/workflows/Generate-PR.yml
+++ b/.github/workflows/Generate-PR.yml
@@ -375,12 +375,13 @@ jobs:
             git log --oneline -10
           fi
   build-check:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-24.04-arm
     needs:
       - setup
       - update-package-files
     if: ${{ ( always() && !cancelled() ) && needs.setup.result == 'success' && ((( inputs.update_package_files ) && needs.update-package-files.result == 'success') || !( inputs.update_package_files )) }}
     outputs:
+      changed_packages: ${{ steps.changed-packages.outputs.CHANGED_PACKAGES }}
       current_head: ${{ steps.get-current-head.outputs.CURRENT_HEAD }}
     steps:
       - name: Fail if update or build jobs failed, otherwise create a PR
@@ -443,7 +444,7 @@ jobs:
         id: changed-files
         uses: tj-actions/changed-files@v47
         with:
-          base_sha: ${{ steps.get-current-head.outputs.CURRENT_HEAD }}
+          base_sha: ${{ github.event.pull_request.head.sha }}
           files_yaml: |
             manifest:
               - manifest/**
@@ -456,12 +457,24 @@ jobs:
               - '!manifest/**'
               - '!packages/*.rb'
               - '!.github/**'
+      - name: Export variables to github context
+        id: changed-packages
+        env:
+          CHANGED_FILES: ${{ steps.changed-files.outputs.packages_all_changed_files }}
+        run: |
+            if [[ -n "${CHANGED_FILES}" ]]; then
+              # Convert "packages/foo.rb packages/bar.rb" (from steps.changed-files.outputs.packages_all_changed_files) into "foo bar"
+              echo "CHANGED_PACKAGES=$(echo "${CHANGED_FILES}" | xargs basename -s .rb | xargs)" >> "$GITHUB_ENV"
+              echo "CHANGED_PACKAGES=$(echo "${CHANGED_FILES}" | xargs basename -s .rb | xargs)" >> "$GITHUB_OUTPUT"
+            else
+              echo "No Changed Files."
+            fi
       - name: Create Pull Request
         env:
           CHANGED_GITHUB_CONFIG_FILES: ${{ steps.changed-files.outputs.github_all_changed_files }}
           CHANGED_MANIFEST_FILES: ${{ steps.changed-files.outputs.manifest_all_changed_files }}
           CHANGED_OTHER_FILES: ${{ steps.changed-files.outputs.other_all_changed_files }}
-          CHANGED_PACKAGES: ${{ needs.setup.outputs.changed_packages }}
+          CHANGED_PACKAGES: ${{ steps.changed-packages.outputs.CHANGED_PACKAGES }}
           CREW_BRANCH: ${{ inputs.branch || github.ref_name }}
           DRAFT_PR: ${{ inputs.draft_pr }}
           GH_TOKEN: ${{ steps.get_workflow_token.outputs.token }}
@@ -473,7 +486,13 @@ jobs:
         run: |
           # Make untouched clone of repo so we can get the existing versions of packages.
           (cd /tmp ; git clone --depth=1 https://github.com/${{ github.repository }}.git chromebrew_main )
+          sudo gem install -N json --conservative
           sudo gem install -N ptools --conservative
+          sudo gem install -N highline --conservative
+          sudo gem install -N concurrent-ruby --conservative
+          sudo gem install -N method_source --conservative
+          sudo gem install -N cgi --conservative
+          sudo gem install -N ruby-libversion --conservative
           # Make crew do automatic gem installs before looking for deps.
           LD_LIBRARY_PATH=/usr/local/lib ruby bin/crew version
           # Force creation of temporary device.json.
diff --git a/.github/workflows/Unit-Test.yml b/.github/workflows/Unit-Test.yml
index 064b6fd76..591421c5b 100644
--- a/.github/workflows/Unit-Test.yml
+++ b/.github/workflows/Unit-Test.yml
@@ -84,6 +84,7 @@ jobs:
         id: non-pkg-changed-files
         uses: tj-actions/changed-files@v47
         with:
+          base_sha: ${{ github.event.pull_request.head.sha }}
           files_ignore: |
             .github/**
             manifest/**
@@ -94,6 +95,7 @@ jobs:
         id: changed-ruby-files
         uses: tj-actions/changed-files@v47
         with:
+          base_sha: ${{ github.event.pull_request.head.sha }}
           files: packages/*.rb
           since_last_remote_commit: true
       - name: Export variables to github context
@@ -228,7 +230,7 @@ jobs:
                 /bin/chromebrewstart /usr/local/lib/crew/tests/unit_test_stub.sh
             fi
   container_test_check:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-24.04-arm
     needs:
       - container_tests
     if: ${{ !cancelled() }}
diff --git a/tools/version.rb b/tools/version.rb
index 80157cb19..88e7d404e 100755
--- a/tools/version.rb
+++ b/tools/version.rb
@@ -1,5 +1,5 @@
 #!/usr/bin/env ruby
-# version.rb version 3.14 (for Chromebrew)
+# version.rb version 3.15 (for Chromebrew)
 
 OPTIONS = %w[-h --help -j --json -u --update-package-files -v --verbose -vv]
 
@@ -413,11 +413,13 @@ if filelist.length.positive?
     versions_updated[@pkg.name.to_sym] = 'Not Found.' if upstream_version.nil? || upstream_version.to_s.chomp == 'null'
 
     unless upstream_version.nil?
-      crewlog "PackageUtils.get_clean_version(@pkg.version): #{PackageUtils.get_clean_version(@pkg.version)}"
-      crewlog "upstream_version: #{upstream_version}"
-      crewlog "Libversion.version_compare2(PackageUtils.get_clean_version(@pkg.version), upstream_version): #{Libversion.version_compare2(PackageUtils.get_clean_version(@pkg.version), upstream_version)}"
-      crewlog "Libversion.version_compare2(PackageUtils.get_clean_version(@pkg.version), upstream_version) >= 0: #{Libversion.version_compare2(PackageUtils.get_clean_version(@pkg.version), upstream_version) >= 0}"
-      crewlog "versions_updated[@pkg.name.to_sym] != 'Not Found.': #{versions_updated[@pkg.name.to_sym] != 'Not Found.'}"
+      if versions_updated[@pkg.name.to_sym] != 'Not Found.'
+        crewlog "PackageUtils.get_clean_version(@pkg.version): #{PackageUtils.get_clean_version(@pkg.version)}"
+        crewlog "upstream_version: #{upstream_version}"
+        crewlog "Libversion.version_compare2(PackageUtils.get_clean_version(@pkg.version), upstream_version): #{Libversion.version_compare2(PackageUtils.get_clean_version(@pkg.version), upstream_version)}"
+        crewlog "Libversion.version_compare2(PackageUtils.get_clean_version(@pkg.version), upstream_version) >= 0: #{Libversion.version_compare2(PackageUtils.get_clean_version(@pkg.version), upstream_version) >= 0}"
+        crewlog "versions_updated[@pkg.name.to_sym] != 'Not Found.': #{versions_updated[@pkg.name.to_sym] != 'Not Found.'}"
+      end
       versions_updated[@pkg.name.to_sym] = 'Up to date.' if (Libversion.version_compare2(PackageUtils.get_clean_version(@pkg.version), upstream_version) >= 0) && versions_updated[@pkg.name.to_sym] != 'Not Found.'
       if Libversion.version_compare2(PackageUtils.get_clean_version(@pkg.version), upstream_version) == -1
         if UPDATE_PACKAGE_FILES && !@pkg.name[/#{CREW_AUTOMATIC_VERSION_UPDATE_EXCLUSION_REGEX}/] && updatable_pkg[@pkg.name.to_sym] == 'Yes'