diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5d81d609..36855d48 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -213,47 +213,6 @@ jobs:
           git tag -a "$TAG" -m "Release $TAG [skip ci]"
           git push origin "$TAG"
 
-  publish-preview:
-    name: Publish On-Demand QA Preview Packages
-    needs: sonarcloud
-    runs-on: ubuntu-latest
-    if: github.event_name == 'pull_request' && (contains(github.event.pull_request.labels.*.name, 'qa:preview') || contains(github.event.pull_request.labels.*.name, 'preview:publish'))
-    permissions:
-      contents: read
-      packages: write
-      pull-requests: write
-      id-token: write
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-
-      - name: Enable Corepack
-        run: corepack enable
-
-      - name: Setup Node
-        uses: actions/setup-node@v4
-        with:
-          node-version: 22
 
-      - name: Cache Yarn dependencies
-        uses: actions/cache@v4
-        with:
-          path: .yarn/cache
-          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
-          restore-keys: |
-            ${{ runner.os }}-yarn-
-
-      - name: Install dependencies
-        run: YARN_ENABLE_IMMUTABLE_INSTALLS=false yarn install
-
-      - name: Publish Preview Packages via Shared Action
-        uses: Quatrain/actions/publish-package-preview@main
-        with:
-          pr_number: ${{ github.event.pull_request.number }}
-          npm_token: ${{ secrets.NPM_TOKEN }}
-          github_token: ${{ secrets.GITHUB_TOKEN }}
-          script_path: 'bin/publish_all.js'
 
 
diff --git a/bin/publish_all.js b/bin/publish_all.js
index 6173d499..50a7f0dd 100644
--- a/bin/publish_all.js
+++ b/bin/publish_all.js
@@ -1,5 +1,6 @@
 const fs = require('node:fs');
 const path = require('node:path');
+const crypto = require('node:crypto');
 const { spawnSync } = require('node:child_process');
 const { computePackageHash, getDepsHash } = require('./hashUtils');
 
@@ -97,11 +98,9 @@ async function publishAll() {
     }
 
     const forceBuild = process.argv.includes('--force');
-    const prArgIndex = process.argv.indexOf('--pr');
-    const prNum = prArgIndex !== -1 ? process.argv[prArgIndex + 1] : null;
     const tagArgIndex = process.argv.indexOf('--tag');
     const isBeta = process.argv.includes('--beta') || (tagArgIndex !== -1 && process.argv[tagArgIndex + 1] === 'beta');
-    const defaultTag = isBeta ? 'beta' : (prNum ? `pr${prNum}` : 'latest');
+    const defaultTag = isBeta ? 'beta' : 'latest';
     const npmTag = tagArgIndex !== -1 ? process.argv[tagArgIndex + 1] : defaultTag;
     const tagString = npmTag ? `--tag ${npmTag}` : '';
 
@@ -134,9 +133,11 @@ async function publishAll() {
         const pkgName = pkgJson.name;
         
         const hash = computedHashes[pkgName];
-        const previousData = previousDataMap[pkgName];
-        
-        if (previousData.hash !== hash || prNum) {
+        const prevBuf = Buffer.from(previousData.hash || '');
+        const currBuf = Buffer.from(hash || '');
+        const isHashMatching = prevBuf.length === currBuf.length && crypto.timingSafeEqual(prevBuf, currBuf);
+
+        if (!isHashMatching) {
             console.log(`[PUBLISH] Changes detected in ${pkgName}. Releasing...`);
             
             try {
@@ -145,12 +146,7 @@ async function publishAll() {
                 const originalPkgContent = fs.readFileSync(pkgJsonPath, 'utf8');
                 let bumpedContent = originalPkgContent;
 
-                if (prNum) {
-                    const baseVersion = pkgJson.version.split('-')[0];
-                    newVersion = `${baseVersion}-pr${prNum}.${Date.now().toString().slice(-4)}`;
-                    updatedPkgJson = JSON.parse(originalPkgContent);
-                    updatedPkgJson.version = newVersion;
-                } else if (isBeta) {
+                if (isBeta) {
                     const currentVer = pkgJson.version;
                     const betaMatch = currentVer.match(/^(\d+\.\d+\.\d+)-beta\.(\d+)$/);
                     if (betaMatch) {
@@ -253,20 +249,19 @@ async function publishAll() {
                     }
                 } finally {
                     // Restore the package.json to retain workspace: protocols but keep the version bump
-                    fs.writeFileSync(pkgJsonPath, prNum ? originalPkgContent : bumpedContent, 'utf8');
+                    // eslint-disable-next-line security/detect-non-literal-fs-filename
+                    fs.writeFileSync(pkgJsonPath, bumpedContent, 'utf8');
                     if (fs.existsSync(path.join(pkgDir, 'package.tgz'))) fs.unlinkSync(path.join(pkgDir, 'package.tgz'));
                     if (fs.existsSync(path.join(pkgDir, '.npmignore'))) fs.unlinkSync(path.join(pkgDir, '.npmignore'));
                 }
                 
-                // Keep registry updated with the stable hash (only for official releases)
-                if (!prNum) {
-                    registry[pkgName] = {
-                        version: newVersion,
-                        hash: hash,
-                        last_published: new Date().toISOString()
-                    };
-                    changed = true;
-                }
+                // Keep registry updated with the stable hash
+                registry[pkgName] = {
+                    version: newVersion,
+                    hash: hash,
+                    last_published: new Date().toISOString()
+                };
+                changed = true;
                 
                 console.log(`[PUBLISH] Success for ${pkgName} v${newVersion} (tag: ${npmTag})`);
                 publishedPackages.push({