diff --git a/dist/index.js b/dist/index.js
index d85692d..c02fb2c 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -652,15 +652,17 @@ class AssemblyProcessor {
      * Do it in parallel so that we don't stop if one of them fails
      */
     async commentStacks(comments, stageName, stage) {
-        const commentPromises = [];
+        const failed = [];
         for (const [stackName, comment] of Object.entries(stage.stackComments)) {
-            commentPromises.push(this.commentStack(comments, stageName, stackName, comment));
+            try {
+                await this.commentStack(comments, stageName, stackName, comment);
+            } catch (e) {
+                failed.push(e);
+            }
+            // Rate limit: wait 200ms between API calls to avoid GitHub secondary rate limits
+            await new Promise(resolve => setTimeout(resolve, 200));
         }
-        const res = await Promise.allSettled(commentPromises);
-        const failed = res
-            .filter((r) => r.status === 'rejected')
-            .flatMap((r) => r.reason);
-        if (failed && failed.length > 0) {
+        if (failed.length > 0) {
             throw new Error('Error commenting stacks: \n' + failed.join('\n'));
         }
     }
@@ -695,6 +697,16 @@ class AssemblyProcessor {
     async commentStages(comments) {
         for (const [stageName, comment] of Object.entries(this.stageComments)) {
             const stageComment = this.getCommentForStage(stageName);
+            if (!stageComment.length) {
+                // No diffs detected for this stage - post a brief "no changes" comment
+                const noChangesComment = [`### Diff for stage: ${stageName}`, '', '✅ No changes detected.'];
+                try {
+                    await this.commentStage(comments, comment.hash, noChangesComment);
+                } catch (e) {
+                    // Ignore errors for no-change comments
+                }
+                continue;
+            }
             try {
                 await this.commentStage(comments, comment.hash, stageComment);
             }
@@ -750,7 +762,6 @@ class AssemblyProcessor {
         const output = [];
         const emoji = this.getEmoji(changes);
         if (diff.isEmpty) {
-            output.push(`No Changes for stack: ${stackName} ${emoji}`);
             return output;
         }
         output.push(...[