diff --git a/.github/workflows/logging_percentage_check.yml b/.github/workflows/logging_percentage_check.yml
index 5c45ba6..2ffcd07 100755
--- a/.github/workflows/logging_percentage_check.yml
+++ b/.github/workflows/logging_percentage_check.yml
@@ -7,7 +7,7 @@ on:
 
 # If two pushes happen within a short time in the same PR, cancel the run of the oldest push
 concurrency:
-  group: pr-${{ github.workflow }}-${{ github.head_ref }}
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
   cancel-in-progress: true
 
 jobs:
diff --git a/.github/workflows/run_foss_spec.yml b/.github/workflows/run_foss_spec.yml
index d7b254f..c7e059c 100755
--- a/.github/workflows/run_foss_spec.yml
+++ b/.github/workflows/run_foss_spec.yml
@@ -21,40 +21,12 @@ jobs:
       - name: Run Rubocop
         run: bundle exec rubocop --parallel
 
-  lint-frontend:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: pnpm/action-setup@v4
-      - uses: actions/setup-node@v4
-        with:
-          node-version: 23
-          cache: 'pnpm'
-      - name: Install pnpm dependencies
-        run: pnpm i
-      - name: Run ESLint
-        run: pnpm run eslint
-
-  # Frontend tests run in parallel with backend
-  frontend-tests:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: pnpm/action-setup@v4
-      - uses: actions/setup-node@v4
-        with:
-          node-version: 23
-          cache: 'pnpm'
-      - name: Install pnpm dependencies
-        run: pnpm i
-      - name: Run frontend tests
-        run: pnpm run test:coverage
-
   # Backend tests with parallelization
   backend-tests:
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
+      max-parallel: 8
       matrix:
         ci_node_total: [16]
         ci_node_index: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15]
diff --git a/.github/workflows/run_mfa_spec.yml b/.github/workflows/run_mfa_spec.yml
index 69d019c..c18fbf6 100755
--- a/.github/workflows/run_mfa_spec.yml
+++ b/.github/workflows/run_mfa_spec.yml
@@ -7,7 +7,7 @@ on:
 
 # If two pushes happen within a short time in the same PR, cancel the run of the oldest push
 concurrency:
-  group: pr-${{ github.workflow }}-${{ github.head_ref }}
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
   cancel-in-progress: true
 
 jobs:
diff --git a/.github/workflows/size-limit.yml b/.github/workflows/size-limit.yml
index c2a4bd1..d8f13df 100755
--- a/.github/workflows/size-limit.yml
+++ b/.github/workflows/size-limit.yml
@@ -7,7 +7,7 @@ on:
 
 # If two pushes happen within a short time in the same PR, cancel the run of the oldest push
 concurrency:
-  group: pr-${{ github.workflow }}-${{ github.head_ref }}
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
   cancel-in-progress: true
 
 jobs: