diff --git a/.github/workflows/failures.yml b/.github/workflows/failures.yml
index b9f6f9d84f46..ab3e4002e87f 100644
--- a/.github/workflows/failures.yml
+++ b/.github/workflows/failures.yml
@@ -12,7 +12,7 @@ env:
   RUST_BACKTRACE: 1
 
 jobs:
-  success:
+  build:
     runs-on: ubuntu-24.04
 
     strategy:
@@ -108,3 +108,22 @@ jobs:
           echo "Error: 'the compiler unexpectedly panicked' found in output logs. CI Error!!"
           exit 1
         fi
+
+  # Summary job for the merge queue.
+  # ALL THE PREVIOUS JOBS NEED TO BE ADDED TO THE `needs` SECTION OF THIS JOB!
+  success_failures:
+    needs: [build]
+    # We need to ensure this job does *not* get skipped if its dependencies fail,
+    # because a skipped job is considered a success by GitHub. So we have to
+    # overwrite `if:`. We use `!cancelled()` to ensure the job does still not get run
+    # when the workflow is canceled manually.
+    if: ${{ !cancelled() }}
+    runs-on: ubuntu-latest
+    steps:
+      # Manually check the status of all dependencies. `if: failure()` does not work.
+      - name: Conclusion
+        run: |
+          # Print the dependent jobs to see them in the CI log
+          jq -C <<< '${{ toJson(needs) }}'
+          # Check if all jobs that we depend on (in the needs array) were successful.
+          jq --exit-status 'all(.result == "success")' <<< '${{ toJson(needs) }}'
diff --git a/.github/workflows/gcc12.yml b/.github/workflows/gcc12.yml
index 0d49336ea208..d6b7e5a2a13a 100644
--- a/.github/workflows/gcc12.yml
+++ b/.github/workflows/gcc12.yml
@@ -15,7 +15,7 @@ env:
   GCC_EXEC_PREFIX: /usr/lib/gcc/
 
 jobs:
-  success:
+  build:
     runs-on: ubuntu-24.04
 
     strategy:
@@ -84,3 +84,22 @@ jobs:
     #- name: Run tests
       #run: |
         #./y.sh test --release --clean --build-sysroot ${{ matrix.commands }} --no-default-features
+
+  # Summary job for the merge queue.
+  # ALL THE PREVIOUS JOBS NEED TO BE ADDED TO THE `needs` SECTION OF THIS JOB!
+  success_gcc12:
+    needs: [build]
+    # We need to ensure this job does *not* get skipped if its dependencies fail,
+    # because a skipped job is considered a success by GitHub. So we have to
+    # overwrite `if:`. We use `!cancelled()` to ensure the job does still not get run
+    # when the workflow is canceled manually.
+    if: ${{ !cancelled() }}
+    runs-on: ubuntu-latest
+    steps:
+      # Manually check the status of all dependencies. `if: failure()` does not work.
+      - name: Conclusion
+        run: |
+          # Print the dependent jobs to see them in the CI log
+          jq -C <<< '${{ toJson(needs) }}'
+          # Check if all jobs that we depend on (in the needs array) were successful.
+          jq --exit-status 'all(.result == "success")' <<< '${{ toJson(needs) }}'
diff --git a/.github/workflows/m68k.yml b/.github/workflows/m68k.yml
index af5f084205e5..90fa5acc3fb0 100644
--- a/.github/workflows/m68k.yml
+++ b/.github/workflows/m68k.yml
@@ -15,7 +15,7 @@ env:
   OVERWRITE_TARGET_TRIPLE: m68k-unknown-linux-gnu
 
 jobs:
-  success:
+  build:
     runs-on: ubuntu-24.04
 
     strategy:
@@ -104,3 +104,22 @@ jobs:
     - name: Run tests
       run: |
         ./y.sh test --release --clean --build-sysroot --sysroot-features compiler_builtins/no-f16-f128 ${{ matrix.commands }}
+
+  # Summary job for the merge queue.
+  # ALL THE PREVIOUS JOBS NEED TO BE ADDED TO THE `needs` SECTION OF THIS JOB!
+  success_m68k:
+    needs: [build]
+    # We need to ensure this job does *not* get skipped if its dependencies fail,
+    # because a skipped job is considered a success by GitHub. So we have to
+    # overwrite `if:`. We use `!cancelled()` to ensure the job does still not get run
+    # when the workflow is canceled manually.
+    if: ${{ !cancelled() }}
+    runs-on: ubuntu-latest
+    steps:
+      # Manually check the status of all dependencies. `if: failure()` does not work.
+      - name: Conclusion
+        run: |
+          # Print the dependent jobs to see them in the CI log
+          jq -C <<< '${{ toJson(needs) }}'
+          # Check if all jobs that we depend on (in the needs array) were successful.
+          jq --exit-status 'all(.result == "success")' <<< '${{ toJson(needs) }}'
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 4582cf577fe6..2f6e3b475319 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -11,7 +11,7 @@ env:
   RUST_BACKTRACE: 1
 
 jobs:
-  success:
+  build:
     runs-on: ubuntu-24.04
 
     strategy:
@@ -81,3 +81,22 @@ jobs:
           echo "Test is done with LTO enabled, hence inlining should occur across crates"
           exit 1
         fi
+
+  # Summary job for the merge queue.
+  # ALL THE PREVIOUS JOBS NEED TO BE ADDED TO THE `needs` SECTION OF THIS JOB!
+  success_release:
+    needs: [build]
+    # We need to ensure this job does *not* get skipped if its dependencies fail,
+    # because a skipped job is considered a success by GitHub. So we have to
+    # overwrite `if:`. We use `!cancelled()` to ensure the job does still not get run
+    # when the workflow is canceled manually.
+    if: ${{ !cancelled() }}
+    runs-on: ubuntu-latest
+    steps:
+      # Manually check the status of all dependencies. `if: failure()` does not work.
+      - name: Conclusion
+        run: |
+          # Print the dependent jobs to see them in the CI log
+          jq -C <<< '${{ toJson(needs) }}'
+          # Check if all jobs that we depend on (in the needs array) were successful.
+          jq --exit-status 'all(.result == "success")' <<< '${{ toJson(needs) }}'
diff --git a/.github/workflows/stdarch.yml b/.github/workflows/stdarch.yml
index a1df0207d54f..350e099d8870 100644
--- a/.github/workflows/stdarch.yml
+++ b/.github/workflows/stdarch.yml
@@ -11,7 +11,7 @@ env:
   RUST_BACKTRACE: 1
 
 jobs:
-  success:
+  build:
     runs-on: ubuntu-24.04
 
     strategy:
@@ -101,3 +101,22 @@ jobs:
         # TODO: remove --skip test_mm512_stream_ps when stdarch is updated in rustc.
         # TODO: remove --skip test_tile_ when it's implemented.
         STDARCH_TEST_EVERYTHING=1 CHANNEL=release CARGO_TARGET_X86_64_UNKNOWN_LINUX_GNU_RUNNER="${{ matrix.cargo_runner }}" TARGET=x86_64-unknown-linux-gnu CG_RUSTFLAGS="-Ainternal_features --cfg stdarch_intel_sde" ./y.sh cargo test --manifest-path build/build_sysroot/sysroot_src/library/stdarch/Cargo.toml -- --skip rtm --skip tbm --skip sse4a --skip test_mm512_stream_ps --skip test_tile_
+
+  # Summary job for the merge queue.
+  # ALL THE PREVIOUS JOBS NEED TO BE ADDED TO THE `needs` SECTION OF THIS JOB!
+  success_stdarch:
+    needs: [build]
+    # We need to ensure this job does *not* get skipped if its dependencies fail,
+    # because a skipped job is considered a success by GitHub. So we have to
+    # overwrite `if:`. We use `!cancelled()` to ensure the job does still not get run
+    # when the workflow is canceled manually.
+    if: ${{ !cancelled() }}
+    runs-on: ubuntu-latest
+    steps:
+      # Manually check the status of all dependencies. `if: failure()` does not work.
+      - name: Conclusion
+        run: |
+          # Print the dependent jobs to see them in the CI log
+          jq -C <<< '${{ toJson(needs) }}'
+          # Check if all jobs that we depend on (in the needs array) were successful.
+          jq --exit-status 'all(.result == "success")' <<< '${{ toJson(needs) }}'