diff --git a/.github/actions/approve-pr/action.yml b/.github/actions/approve-pr/action.yml
index 4719ad57..4e617e87 100644
--- a/.github/actions/approve-pr/action.yml
+++ b/.github/actions/approve-pr/action.yml
@@ -22,7 +22,7 @@ runs:
         script: |
           const prNumber = Number(process.env.PR_NUMBER || context.payload.pull_request?.number);
           if (!Number.isInteger(prNumber) || prNumber <= 0) {
-            core.setFailed('No pull request number available: supply the pr-number input or run on a pull_request event.');
+            core.setFailed('❌ No pull request number available: supply the pr-number input or run on a pull_request event.');
             return;
           }
           await github.rest.pulls.createReview({
diff --git a/.github/actions/assign-pr-to-creator/action.yml b/.github/actions/assign-pr-to-creator/action.yml
index dc3e8be3..3176e118 100644
--- a/.github/actions/assign-pr-to-creator/action.yml
+++ b/.github/actions/assign-pr-to-creator/action.yml
@@ -22,7 +22,7 @@ runs:
         script: |
           const prNumber = Number(process.env.PR_NUMBER || context.payload.pull_request?.number);
           if (!Number.isInteger(prNumber) || prNumber <= 0) {
-            core.setFailed('No pull request number available: supply the pr-number input or run on a pull_request event.');
+            core.setFailed('❌ No pull request number available: supply the pr-number input or run on a pull_request event.');
             return;
           }
           const pullRequest = process.env.PR_NUMBER
diff --git a/.github/actions/check-no-case-sensitivity-conflicts/action.yml b/.github/actions/check-no-case-sensitivity-conflicts/action.yml
index 83934545..3544fcee 100644
--- a/.github/actions/check-no-case-sensitivity-conflicts/action.yml
+++ b/.github/actions/check-no-case-sensitivity-conflicts/action.yml
@@ -50,4 +50,4 @@ runs:
             core.error(`Case sensitivity conflict: ${file}`, { file });
           }
 
-          core.setFailed(`Case sensitivity conflicts found (${offenders.length}).`);
+          core.setFailed(`❌ Case sensitivity conflicts found (${offenders.length}).`);
diff --git a/.github/actions/check-no-ignored-files/action.yml b/.github/actions/check-no-ignored-files/action.yml
index c1996a0a..9da637f4 100644
--- a/.github/actions/check-no-ignored-files/action.yml
+++ b/.github/actions/check-no-ignored-files/action.yml
@@ -47,4 +47,4 @@ runs:
             core.error(`Ignored file found: ${file}`, { file });
           }
 
-          core.setFailed(`Found ignored files (${ignoredFiles.length}).`);
+          core.setFailed(`❌ Found ignored files (${ignoredFiles.length}).`);
diff --git a/.github/actions/check-no-merge-commits/action.yml b/.github/actions/check-no-merge-commits/action.yml
index a72cc4e8..2df72b95 100644
--- a/.github/actions/check-no-merge-commits/action.yml
+++ b/.github/actions/check-no-merge-commits/action.yml
@@ -22,7 +22,7 @@ runs:
         script: |
           const prNumber = Number(process.env.PR_NUMBER || context.payload.pull_request?.number);
           if (!Number.isInteger(prNumber) || prNumber <= 0) {
-            core.setFailed('No pull request number available: supply the pr-number input or run on a pull_request event.');
+            core.setFailed('❌ No pull request number available: supply the pr-number input or run on a pull_request event.');
             return;
           }
           const commits = await github.paginate(github.rest.pulls.listCommits, {
@@ -35,7 +35,7 @@ runs:
             for (const commit of mergeCommits) {
               core.error(`Merge commit: ${commit.sha} - ${commit.commit.message.split('\n')[0]}`);
             }
-            core.setFailed(`Found ${mergeCommits.length} merge commit(s). Please rebase instead of merging.`);
+            core.setFailed(`❌ Found ${mergeCommits.length} merge commit(s). Please rebase instead of merging.`);
           } else {
             core.info('No merge commits found.');
           }
diff --git a/.github/actions/check-no-merge-conflicts/action.yml b/.github/actions/check-no-merge-conflicts/action.yml
index fd6fc523..57ab08ee 100644
--- a/.github/actions/check-no-merge-conflicts/action.yml
+++ b/.github/actions/check-no-merge-conflicts/action.yml
@@ -25,7 +25,7 @@ runs:
               return;
             }
 
-            core.setFailed(`git grep failed (exit ${error.status}): ${error.stderr || error.message}`);
+            core.setFailed(`❌ git grep failed (exit ${error.status}): ${error.stderr || error.message}`);
             return;
           }
 
@@ -41,4 +41,4 @@ runs:
             core.error(`Merge conflict found in ${file}`, { file });
           }
 
-          core.setFailed('Found merge conflicts.');
+          core.setFailed('❌ Found merge conflicts.');
diff --git a/.github/actions/enable-automerge/action.yml b/.github/actions/enable-automerge/action.yml
index 53e28f5b..1a342e42 100644
--- a/.github/actions/enable-automerge/action.yml
+++ b/.github/actions/enable-automerge/action.yml
@@ -27,7 +27,7 @@ runs:
           const mergeMethod = process.env.MERGE_METHOD;
           const prNumber = Number(process.env.PR_NUMBER || context.payload.pull_request?.number);
           if (!Number.isInteger(prNumber) || prNumber <= 0) {
-            core.setFailed('No pull request number available: supply the pr-number input or run on a pull_request event.');
+            core.setFailed('❌ No pull request number available: supply the pr-number input or run on a pull_request event.');
             return;
           }
           const pullRequest = process.env.PR_NUMBER
diff --git a/.github/workflows/pr-lint.yml b/.github/workflows/pr-lint.yml
index 6742470a..2f569fc9 100644
--- a/.github/workflows/pr-lint.yml
+++ b/.github/workflows/pr-lint.yml
@@ -141,7 +141,7 @@ jobs:
         uses: actions/github-script@3a2844b7e9c422d3c10d287c895573f7108da1b3 # v9.0.0
         with:
           script: |
-            core.setFailed('Changelog has not changed')
+            core.setFailed('❌ Changelog has not changed')
 
   # @@required: merge
   change-log-entry-is-in-unreleased: