diff --git a/.github/workflows/release-please.yml b/.github/workflows/release-please.yml
index 87d1b185..5fa54aa8 100644
--- a/.github/workflows/release-please.yml
+++ b/.github/workflows/release-please.yml
@@ -5,16 +5,20 @@ on:
     branches:
       - main
 
+permissions:
+  contents: read
+
 jobs:
   release-please:
     runs-on: ubuntu-latest
     outputs:
       release_created:  ${{ steps.release.outputs.release_created }}
     steps:
-      - uses: google-github-actions/release-please-action@v4
+      - uses: googleapis/release-please-action@v4
         id: release
         with:
           release-type: node
+          token: ${{ secrets.RELEASE_PLEASE_GITHUB_TOKEN }}
   npm-publish:
     needs: release-please
     if: ${{ needs.release-please.outputs.release_created }}
diff --git a/CHANGELOG.md b/CHANGELOG.md
index dd1d8b11..b543292f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,22 @@
 # Changelog
 
+## [5.5.0](https://github.com/nodejs/node-core-utils/compare/v5.4.0...v5.5.0) (2024-09-01)
+
+
+### Features
+
+* add git node security --cleanup ([#833](https://github.com/nodejs/node-core-utils/issues/833)) ([871a16f](https://github.com/nodejs/node-core-utils/commit/871a16f7968d112468f751ab019ca575151745d2))
+* add warning when fail on all platforms ([#843](https://github.com/nodejs/node-core-utils/issues/843)) ([4f7ec3e](https://github.com/nodejs/node-core-utils/commit/4f7ec3e7923592dbfef32206bf1c2b21a36e15dd))
+* **git-node:** auto-fetch comparison branch when preparing release ([#846](https://github.com/nodejs/node-core-utils/issues/846)) ([a8529ed](https://github.com/nodejs/node-core-utils/commit/a8529edaab765e293965054b7027774a3f4938f2))
+* **git-node:** auto-fetch latest release tag when preparing release ([#842](https://github.com/nodejs/node-core-utils/issues/842)) ([15ae401](https://github.com/nodejs/node-core-utils/commit/15ae4013b2cbf56ec7f3356d8a8bb682ceef29c3))
+* update next-security-release folder on cleanup ([#840](https://github.com/nodejs/node-core-utils/issues/840)) ([f420432](https://github.com/nodejs/node-core-utils/commit/f420432c6cbdba51da734276d20f73c75728b409))
+* **v8:** add fast_float to V8 deps ([#844](https://github.com/nodejs/node-core-utils/issues/844)) ([4e8ec9c](https://github.com/nodejs/node-core-utils/commit/4e8ec9c072283c8cb31155c66815027ed82fa210))
+
+
+### Bug Fixes
+
+* landing session on different repo/org ([#847](https://github.com/nodejs/node-core-utils/issues/847)) ([7734954](https://github.com/nodejs/node-core-utils/commit/77349540beee5c8d8808f5783e72e106b02f113b))
+
 ## [5.4.0](https://github.com/nodejs/node-core-utils/compare/v5.3.1...v5.4.0) (2024-08-07)
 
 
diff --git a/components/git/release.js b/components/git/release.js
index c74ba5ab..ae82e0ae 100644
--- a/components/git/release.js
+++ b/components/git/release.js
@@ -78,6 +78,8 @@ async function main(state, argv, cli, dir) {
   if (state === PREPARE) {
     const prep = new ReleasePreparation(argv, cli, dir);
 
+    await prep.prepareLocalBranch();
+
     if (prep.warnForWrongBranch()) return;
 
     // If the new version was automatically calculated, confirm it.
diff --git a/components/git/security.js b/components/git/security.js
index cdb4771a..bd306f1d 100644
--- a/components/git/security.js
+++ b/components/git/security.js
@@ -43,6 +43,10 @@ const securityOptions = {
   'post-release': {
     describe: 'Create the post-release announcement',
     type: 'boolean'
+  },
+  cleanup: {
+    describe: 'cleanup the security release.',
+    type: 'boolean'
   }
 };
 
@@ -81,6 +85,9 @@ export function builder(yargs) {
     ).example(
       'git node security --post-release',
       'Create the post-release announcement on the Nodejs.org repo'
+    ).example(
+      'git node security --cleanup',
+      'Cleanup the security release. Merge the PR and close H1 reports'
     );
 }
 
@@ -112,6 +119,9 @@ export function handler(argv) {
   if (argv['post-release']) {
     return createPostRelease(argv);
   }
+  if (argv.cleanup) {
+    return cleanupSecurityRelease(argv);
+  }
   yargsInstance.showHelp();
 }
 
@@ -167,6 +177,13 @@ async function startSecurityRelease() {
   return release.start();
 }
 
+async function cleanupSecurityRelease() {
+  const logStream = process.stdout.isTTY ? process.stdout : process.stderr;
+  const cli = new CLI(logStream);
+  const release = new PrepareSecurityRelease(cli);
+  return release.cleanup();
+}
+
 async function syncSecurityRelease(argv) {
   const logStream = process.stdout.isTTY ? process.stdout : process.stderr;
   const cli = new CLI(logStream);
diff --git a/lib/ci/build-types/citgm_comparison_build.js b/lib/ci/build-types/citgm_comparison_build.js
index fb6c6775..d5fb58a8 100644
--- a/lib/ci/build-types/citgm_comparison_build.js
+++ b/lib/ci/build-types/citgm_comparison_build.js
@@ -44,6 +44,7 @@ export class CITGMComparisonBuild {
     const { failures: comparisonFailures } = comparisonBuild.results;
 
     const failures = {};
+    let allPlatformFailures;
     for (const platform in comparisonFailures) {
       // Account for no failure on this platform, or different platform.
       if (!Object.prototype.hasOwnProperty.call(baseFailures, platform)) {
@@ -66,11 +67,18 @@ export class CITGMComparisonBuild {
       if (newFailures.length !== 0) {
         result = statusType.FAILURE;
       }
-
+      if (allPlatformFailures === undefined) {
+        allPlatformFailures = newFailures;
+      } else if (allPlatformFailures.length > 0) {
+        allPlatformFailures = allPlatformFailures.filter(f => {
+          return newFailures.includes(f);
+        });
+      }
       failures[platform] = newFailures;
     }
 
     this.results.failures = failures;
+    this.results.allPlatformFailures = allPlatformFailures;
     this.result = result;
 
     return result;
@@ -124,6 +132,12 @@ export class CITGMComparisonBuild {
     const str = `${totalFailures} failures in ${cID} not present in ${bID}`;
     cli.log(`${statusType.FAILURE}: ${str}\n\n`);
     console.table(output);
+    if (
+      results.allPlatformFailures &&
+      results.allPlatformFailures.length) {
+      const failures = results.allPlatformFailures.join(', ');
+      console.warn(`These modules failed in all platforms: ${failures}`);
+    }
   }
 
   formatAsJson() {
diff --git a/lib/landing_session.js b/lib/landing_session.js
index 9deb8cb9..7c86efc5 100644
--- a/lib/landing_session.js
+++ b/lib/landing_session.js
@@ -21,7 +21,7 @@ export default class LandingSession extends Session {
     prid, backport, lint, autorebase, fixupAll,
     checkCI, oneCommitMax, ...argv
   } = {}) {
-    super(cli, dir, prid);
+    super(cli, dir, prid, argv);
     this.req = req;
     this.backport = backport;
     this.lint = lint;
diff --git a/lib/prepare_release.js b/lib/prepare_release.js
index 5b64d79f..6b0aa131 100644
--- a/lib/prepare_release.js
+++ b/lib/prepare_release.js
@@ -4,8 +4,7 @@ import { promises as fs } from 'node:fs';
 import semver from 'semver';
 import { replaceInFile } from 'replace-in-file';
 
-import { getMergedConfig } from './config.js';
-import { runAsync, runSync } from './run.js';
+import { forceRunAsync, runAsync, runSync } from './run.js';
 import { writeJson, readJson } from './file.js';
 import Request from './request.js';
 import auth from './auth.js';
@@ -15,58 +14,25 @@ import {
   updateTestProcessRelease
 } from './release/utils.js';
 import CherryPick from './cherry_pick.js';
+import Session from './session.js';
 
 const isWindows = process.platform === 'win32';
 
-export default class ReleasePreparation {
+export default class ReleasePreparation extends Session {
   constructor(argv, cli, dir) {
-    this.cli = cli;
-    this.dir = dir;
+    super(cli, dir);
     this.isSecurityRelease = argv.security;
     this.isLTS = false;
     this.isLTSTransition = argv.startLTS;
     this.runBranchDiff = !argv.skipBranchDiff;
     this.ltsCodename = '';
     this.date = '';
-    this.config = getMergedConfig(this.dir);
     this.filterLabels = argv.filterLabel && argv.filterLabel.split(',');
+    this.newVersion = argv.newVersion;
+  }
 
-    // Ensure the preparer has set an upstream and username.
-    if (this.warnForMissing()) {
-      cli.error('Failed to begin the release preparation process.');
-      return;
-    }
-
-    // Allow passing optional new version.
-    if (argv.newVersion) {
-      const newVersion = semver.clean(argv.newVersion);
-      if (!semver.valid(newVersion)) {
-        cli.warn(`${newVersion} is not a valid semantic version.`);
-        return;
-      }
-      this.newVersion = newVersion;
-    } else {
-      this.newVersion = this.calculateNewVersion();
-    }
-
-    const { upstream, owner, repo, newVersion } = this;
-
-    this.versionComponents = {
-      major: semver.major(newVersion),
-      minor: semver.minor(newVersion),
-      patch: semver.patch(newVersion)
-    };
-
-    this.stagingBranch = `v${this.versionComponents.major}.x-staging`;
-    this.releaseBranch = `v${this.versionComponents.major}.x`;
-
-    const upstreamHref = runSync('git', [
-      'config', '--get',
-      `remote.${upstream}.url`]).trim();
-    if (!new RegExp(`${owner}/${repo}(?:.git)?$`).test(upstreamHref)) {
-      cli.warn('Remote repository URL does not point to the expected ' +
-        `repository ${owner}/${repo}`);
-    }
+  get branch() {
+    return this.stagingBranch;
   }
 
   warnForNonMergeablePR(pr) {
@@ -205,7 +171,7 @@ export default class ReleasePreparation {
       // Check the branch diff to determine if the releaser
       // wants to backport any more commits before proceeding.
       cli.startSpinner('Fetching branch-diff');
-      const raw = this.getBranchDiff({
+      const raw = await this.getBranchDiff({
         onlyNotableChanges: false,
         comparisonBranch: newVersion
       });
@@ -215,10 +181,9 @@ export default class ReleasePreparation {
 
       const outstandingCommits = diff.length - 1;
       if (outstandingCommits !== 0) {
-        const staging = `v${semver.major(newVersion)}.x-staging`;
         const proceed = await cli.prompt(
           `There are ${outstandingCommits} commits that may be ` +
-          `backported to ${staging} - do you still want to proceed?`,
+          `backported to ${this.stagingBranch} - do you still want to proceed?`,
           { defaultAnswer: false });
 
         if (!proceed) {
@@ -369,24 +334,19 @@ export default class ReleasePreparation {
     return missing;
   }
 
-  calculateNewVersion() {
-    let newVersion;
-
-    const lastTagVersion = semver.clean(this.getLastRef());
-    const lastTag = {
-      major: semver.major(lastTagVersion),
-      minor: semver.minor(lastTagVersion),
-      patch: semver.patch(lastTagVersion)
-    };
-
-    const changelog = this.getChangelog();
+  async calculateNewVersion({ tagName, major, minor, patch }) {
+    const changelog = this.getChangelog(tagName);
 
+    const newVersion = { major, minor, patch };
     if (changelog.includes('SEMVER-MAJOR')) {
-      newVersion = `${lastTag.major + 1}.0.0`;
+      newVersion.major++;
+      newVersion.minor = 0;
+      newVersion.patch = 0;
     } else if (changelog.includes('SEMVER-MINOR') || this.isLTSTransition) {
-      newVersion = `${lastTag.major}.${lastTag.minor + 1}.0`;
+      newVersion.minor++;
+      newVersion.patch = 0;
     } else {
-      newVersion = `${lastTag.major}.${lastTag.minor}.${lastTag.patch + 1}`;
+      newVersion.patch++;
     }
 
     return newVersion;
@@ -396,11 +356,22 @@ export default class ReleasePreparation {
     return runSync('git', ['rev-parse', '--abbrev-ref', 'HEAD']).trim();
   }
 
-  getLastRef() {
-    return runSync('git', ['describe', '--abbrev=0', '--tags']).trim();
+  getLastRef(tagName) {
+    if (!tagName) {
+      return runSync('git', ['describe', '--abbrev=0', '--tags']).trim();
+    }
+
+    try {
+      runSync('git', ['rev-parse', tagName]);
+    } catch {
+      this.cli.startSpinner(`Error parsing git ref ${tagName}, attempting fetching it as a tag`);
+      runSync('git', ['fetch', this.upstream, 'tag', '-n', tagName]);
+      this.cli.stopSpinner(`Tag fetched: ${tagName}`);
+    }
+    return tagName;
   }
 
-  getChangelog() {
+  getChangelog(tagName) {
     const changelogMaker = new URL(
       '../node_modules/.bin/changelog-maker' + (isWindows ? '.cmd' : ''),
       import.meta.url
@@ -411,7 +382,7 @@ export default class ReleasePreparation {
       '--markdown',
       '--filter-release',
       '--start-ref',
-      this.getLastRef()
+      this.getLastRef(tagName)
     ]).trim();
   }
 
@@ -496,7 +467,7 @@ export default class ReleasePreparation {
     const data = await fs.readFile(majorChangelogPath, 'utf8');
     const arr = data.split('\n');
     const allCommits = this.getChangelog();
-    const notableChanges = this.getBranchDiff({ onlyNotableChanges: true });
+    const notableChanges = await this.getBranchDiff({ onlyNotableChanges: true });
     let releaseHeader = `## ${date}, Version ${newVersion}` +
                           ` ${releaseInfo}, @${username}\n`;
     if (isSecurityRelease) {
@@ -550,14 +521,14 @@ export default class ReleasePreparation {
   }
 
   async createProposalBranch(base = this.stagingBranch) {
-    const { upstream, newVersion } = this;
+    const { newVersion } = this;
     const proposalBranch = `v${newVersion}-proposal`;
 
     await runAsync('git', [
       'checkout',
       '-b',
       proposalBranch,
-      `${upstream}/${base}`
+      base
     ]);
     return proposalBranch;
   }
@@ -632,7 +603,7 @@ export default class ReleasePreparation {
       messageBody.push('This is a security release.\n\n');
     }
 
-    const notableChanges = this.getBranchDiff({
+    const notableChanges = await this.getBranchDiff({
       onlyNotableChanges: true,
       format: 'plaintext'
     });
@@ -659,8 +630,9 @@ export default class ReleasePreparation {
     return useMessage;
   }
 
-  getBranchDiff(opts) {
+  async getBranchDiff(opts) {
     const {
+      cli,
       versionComponents = {},
       upstream,
       newVersion,
@@ -688,6 +660,10 @@ export default class ReleasePreparation {
         'semver-minor'
       ];
 
+      await forceRunAsync('git', ['remote', 'set-branches', '--add', upstream, releaseBranch], {
+        ignoreFailures: false
+      });
+      await forceRunAsync('git', ['fetch', upstream, releaseBranch], { ignoreFailures: false });
       branchDiffOptions = [
         `${upstream}/${releaseBranch}`,
         proposalBranch,
@@ -706,20 +682,43 @@ export default class ReleasePreparation {
         'baking-for-lts'
       ];
 
-      let comparisonBranch = 'main';
+      let comparisonBranch = this.config.branch || 'main';
       const isSemverMinor = versionComponents.patch === 0;
       if (isLTS) {
+        const res = await fetch('https://nodejs.org/dist/index.json');
+        if (!res.ok) throw new Error('Failed to fetch', { cause: res });
+        const [latest] = await res.json();
         // Assume Current branch matches tag with highest semver value.
-        const tags = runSync('git',
-          ['tag', '-l', '--sort', '-version:refname']).trim();
-        const highestVersionTag = tags.split('\n')[0];
-        comparisonBranch = `v${semver.coerce(highestVersionTag).major}.x`;
+        comparisonBranch = `v${semver.coerce(latest.version).major}.x`;
 
         if (!isSemverMinor) {
           excludeLabels.push('semver-minor');
         }
       }
 
+      await forceRunAsync('git', ['fetch', upstream, comparisonBranch], { ignoreFailures: false });
+      const commits = await forceRunAsync('git', ['rev-parse', 'FETCH_HEAD', comparisonBranch], {
+        captureStdout: 'lines',
+        ignoreFailures: true
+      });
+      if (commits == null) {
+        const shouldCreateCompareBranch = await cli.prompt(
+          `No local branch ${comparisonBranch}, do you want to create it?`);
+        if (shouldCreateCompareBranch) {
+          await forceRunAsync('git', ['branch', comparisonBranch, 'FETCH_HEAD'], {
+            ignoreFailures: false
+          });
+        }
+      } else if (commits[0] !== commits[1]) {
+        const shouldUpBranch = cli.prompt(`Local ${comparisonBranch} branch is not in sync with ${
+                                        upstream}/${comparisonBranch}, do you want to update it?`);
+        if (shouldUpBranch) {
+          await forceRunAsync('git', ['branch', '-f', comparisonBranch, 'FETCH_HEAD'], {
+            ignoreFailures: false
+          });
+        }
+      }
+
       branchDiffOptions = [
         stagingBranch,
         comparisonBranch,
@@ -736,6 +735,67 @@ export default class ReleasePreparation {
     return runSync(branchDiff, branchDiffOptions);
   }
 
+  async getLastRelease(major) {
+    const { cli } = this;
+
+    cli.startSpinner(`Parsing CHANGELOG for most recent release of v${major}.x`);
+    const data = await fs.readFile(
+      path.resolve(`doc/changelogs/CHANGELOG_V${major}.md`),
+      'utf8'
+    );
+    const [,, minor, patch] = /<a href="#(\d+)\.(\d+)\.(\d+)">\1\.\2\.\3<\/a><br\/>/.exec(data);
+    this.isLTS = data.includes('<th>LTS ');
+
+    cli.stopSpinner(`Latest release on ${major}.x line is ${major}.${minor}.${patch}${
+      this.isLTS ? ' (LTS)' : ''
+    }`);
+
+    return {
+      tagName: await this.getLastRef(`v${major}.${minor}.${patch}`),
+      major, minor, patch
+    };
+  }
+
+  async prepareLocalBranch() {
+    const { cli } = this;
+    if (this.newVersion) {
+      // If the CLI asked for a specific version:
+      const newVersion = semver.parse(this.newVersion);
+      if (!newVersion) {
+        cli.warn(`${this.newVersion} is not a valid semantic version.`);
+        return;
+      }
+      this.newVersion = newVersion.version;
+      this.versionComponents = {
+        major: newVersion.major,
+        minor: newVersion.minor,
+        patch: newVersion.patch
+      };
+      this.stagingBranch = `v${newVersion.major}.x-staging`;
+      this.releaseBranch = `v${newVersion.major}.x`;
+      await this.tryResetBranch();
+      await this.getLastRelease(newVersion.major);
+      return;
+    }
+
+    // Otherwise, we need to figure out what's the next version number for the
+    // release line of the branch that's currently checked out.
+    const currentBranch = this.getCurrentBranch();
+    const match = /^v(\d+)\.x-staging$/.exec(currentBranch);
+
+    if (!match) {
+      cli.warn(`Cannot prepare a release from ${currentBranch
+          }. Switch to a staging branch before proceeding.`);
+      return;
+    }
+    this.stagingBranch = currentBranch;
+    await this.tryResetBranch();
+    this.versionComponents = await this.calculateNewVersion(await this.getLastRelease(match[1]));
+    const { major, minor, patch } = this.versionComponents;
+    this.newVersion = `${major}.${minor}.${patch}`;
+    this.releaseBranch = `v${major}.x`;
+  }
+
   warnForWrongBranch() {
     const {
       cli,
diff --git a/lib/prepare_security.js b/lib/prepare_security.js
index 4ffb90fe..8d4ba962 100644
--- a/lib/prepare_security.js
+++ b/lib/prepare_security.js
@@ -5,22 +5,18 @@ import Request from './request.js';
 import {
   NEXT_SECURITY_RELEASE_BRANCH,
   NEXT_SECURITY_RELEASE_FOLDER,
-  NEXT_SECURITY_RELEASE_REPOSITORY,
   checkoutOnSecurityReleaseBranch,
   commitAndPushVulnerabilitiesJSON,
   validateDate,
   promptDependencies,
   getSupportedVersions,
-  pickReport
+  pickReport,
+  SecurityRelease
 } from './security-release/security-release.js';
 import _ from 'lodash';
 
-export default class PrepareSecurityRelease {
-  repository = NEXT_SECURITY_RELEASE_REPOSITORY;
+export default class PrepareSecurityRelease extends SecurityRelease {
   title = 'Next Security Release';
-  constructor(cli) {
-    this.cli = cli;
-  }
 
   async start() {
     const credentials = await auth({
@@ -44,6 +40,40 @@ export default class PrepareSecurityRelease {
     this.cli.ok('Done!');
   }
 
+  async cleanup() {
+    const credentials = await auth({
+      github: true,
+      h1: true
+    });
+
+    this.req = new Request(credentials);
+    const vulnerabilityJSON = this.readVulnerabilitiesJSON();
+    this.cli.info('Closing and request disclosure to HackerOne reports');
+    await this.closeAndRequestDisclosure(vulnerabilityJSON.reports);
+
+    this.cli.info('Closing pull requests');
+    // For now, close the ones with vN.x label
+    await this.closePRWithLabel(this.getAffectedVersions(vulnerabilityJSON));
+
+    const updateFolder = this.cli.prompt(
+      // eslint-disable-next-line max-len
+      `Would you like to update the next-security-release folder to ${vulnerabilityJSON.releaseDate}?`,
+      { defaultAnswer: true });
+    if (updateFolder) {
+      const newFolder = this.updateReleaseFolder(vulnerabilityJSON.releaseDate);
+      commitAndPushVulnerabilitiesJSON(
+        newFolder,
+        'chore: change next-security-release folder',
+        { cli: this.cli, repository: this.repository }
+      );
+    }
+    this.cli.info(`Merge pull request with:
+        - git checkout main
+        - git merge --squash ${NEXT_SECURITY_RELEASE_BRANCH}
+        - git push origin main`);
+    this.cli.ok('Done!');
+  }
+
   async startVulnerabilitiesJSONCreation(releaseDate, content) {
     // checkout on the next-security-release branch
     checkoutOnSecurityReleaseBranch(this.cli, this.repository);
@@ -163,9 +193,9 @@ export default class PrepareSecurityRelease {
 
     const folderPath = path.join(process.cwd(), NEXT_SECURITY_RELEASE_FOLDER);
     try {
-      await fs.accessSync(folderPath);
+      fs.accessSync(folderPath);
     } catch (error) {
-      await fs.mkdirSync(folderPath, { recursive: true });
+      fs.mkdirSync(folderPath, { recursive: true });
     }
 
     const fullPath = path.join(folderPath, 'vulnerabilities.json');
@@ -254,4 +284,38 @@ export default class PrepareSecurityRelease {
     }
     return deps;
   }
+
+  async closeAndRequestDisclosure(jsonReports) {
+    this.cli.startSpinner('Closing HackerOne reports');
+    for (const report of jsonReports) {
+      this.cli.updateSpinner(`Closing report ${report.id}...`);
+      await this.req.updateReportState(
+        report.id,
+        'resolved',
+        'Closing as resolved'
+      );
+
+      this.cli.updateSpinner(`Requesting disclosure to report ${report.id}...`);
+      await this.req.requestDisclosure(report.id);
+    }
+    this.cli.stopSpinner('Done closing H1 Reports and requesting disclosure');
+  }
+
+  async closePRWithLabel(labels) {
+    if (typeof labels === 'string') {
+      labels = [labels];
+    }
+
+    const url = 'https://github.com/nodejs-private/node-private/pulls';
+    this.cli.startSpinner('Closing GitHub Pull Requests...');
+    // At this point, GitHub does not provide filters through their REST API
+    const prs = this.req.getPullRequest(url);
+    for (const pr of prs) {
+      if (pr.labels.some((l) => labels.includes(l))) {
+        this.cli.updateSpinner(`Closing Pull Request: ${pr.id}`);
+        await this.req.closePullRequest(pr.id);
+      }
+    }
+    this.cli.startSpinner('Closed GitHub Pull Requests.');
+  }
 }
diff --git a/lib/request.js b/lib/request.js
index 553322f3..a4b43586 100644
--- a/lib/request.js
+++ b/lib/request.js
@@ -109,6 +109,22 @@ export default class Request {
     return this.json(url, options);
   }
 
+  async closePullRequest({ owner, repo }) {
+    const url = `https://api.github.com/repos/${owner}/${repo}/pulls`;
+    const options = {
+      method: 'POST',
+      headers: {
+        Authorization: `Basic ${this.credentials.github}`,
+        'User-Agent': 'node-core-utils',
+        Accept: 'application/vnd.github+json'
+      },
+      body: JSON.stringify({
+        state: 'closed'
+      })
+    };
+    return this.json(url, options);
+  }
+
   async gql(name, variables, path) {
     const query = this.loadQuery(name);
     if (path) {
@@ -201,6 +217,49 @@ export default class Request {
     return this.json(url, options);
   }
 
+  async updateReportState(reportId, state, message) {
+    const url = `https://api.hackerone.com/v1/reports/${reportId}/state_changes`;
+    const options = {
+      method: 'POST',
+      headers: {
+        Authorization: `Basic ${this.credentials.h1}`,
+        'User-Agent': 'node-core-utils',
+        Accept: 'application/json'
+      },
+      body: JSON.stringify({
+        data: {
+          type: 'state-change',
+          attributes: {
+            message,
+            state
+          }
+        }
+      })
+    };
+    return this.json(url, options);
+  }
+
+  async requestDisclosure(reportId) {
+    const url = `https://api.hackerone.com/v1/reports/${reportId}/disclosure_requests`;
+    const options = {
+      method: 'POST',
+      headers: {
+        Authorization: `Basic ${this.credentials.h1}`,
+        'User-Agent': 'node-core-utils',
+        Accept: 'application/json'
+      },
+      body: JSON.stringify({
+        data: {
+          attributes: {
+            // default to limited version
+            substate: 'no-content'
+          }
+        }
+      })
+    };
+    return this.json(url, options);
+  }
+
   // This is for github v4 API queries, for other types of queries
   // use .text or .json
   async query(query, variables) {
diff --git a/lib/security-release/security-release.js b/lib/security-release/security-release.js
index 73f93cd6..3a4482a7 100644
--- a/lib/security-release/security-release.js
+++ b/lib/security-release/security-release.js
@@ -210,3 +210,64 @@ export async function pickReport(report, { cli, req }) {
     reporter: reporter.data.attributes.username
   };
 }
+
+export class SecurityRelease {
+  constructor(cli, repository = NEXT_SECURITY_RELEASE_REPOSITORY) {
+    this.cli = cli;
+    this.repository = repository;
+  }
+
+  readVulnerabilitiesJSON(vulnerabilitiesJSONPath = this.getVulnerabilitiesJSONPath()) {
+    const exists = fs.existsSync(vulnerabilitiesJSONPath);
+
+    if (!exists) {
+      this.cli.error(`The file vulnerabilities.json does not exist at ${vulnerabilitiesJSONPath}`);
+      process.exit(1);
+    }
+
+    return JSON.parse(fs.readFileSync(vulnerabilitiesJSONPath, 'utf8'));
+  }
+
+  getVulnerabilitiesJSONPath() {
+    return path.join(process.cwd(),
+      NEXT_SECURITY_RELEASE_FOLDER, 'vulnerabilities.json');
+  }
+
+  updateReleaseFolder(releaseDate) {
+    const folder = path.join(process.cwd(),
+      NEXT_SECURITY_RELEASE_FOLDER);
+    const newFolder = path.join(process.cwd(), releaseDate);
+    fs.renameSync(folder, newFolder);
+    return newFolder;
+  }
+
+  updateVulnerabilitiesJSON(content) {
+    try {
+      const vulnerabilitiesJSONPath = this.getVulnerabilitiesJSONPath();
+      this.cli.startSpinner(`Updating vulnerabilities.json from ${vulnerabilitiesJSONPath}...`);
+      fs.writeFileSync(vulnerabilitiesJSONPath, JSON.stringify(content, null, 2));
+      commitAndPushVulnerabilitiesJSON(vulnerabilitiesJSONPath,
+        'chore: updated vulnerabilities.json',
+        { cli: this.cli, repository: this.repository });
+      this.cli.stopSpinner(`Done updating vulnerabilities.json from ${vulnerabilitiesJSONPath}`);
+    } catch (error) {
+      this.cli.error('Error updating vulnerabilities.json');
+      this.cli.error(error);
+    }
+  }
+
+  getAffectedVersions(content) {
+    const affectedVersions = new Set();
+    for (const report of Object.values(content.reports)) {
+      for (const affectedVersion of report.affectedVersions) {
+        affectedVersions.add(affectedVersion);
+      }
+    }
+    const parseToNumber = str => +(str.match(/[\d.]+/g)[0]);
+    return Array.from(affectedVersions)
+      .sort((a, b) => {
+        return parseToNumber(a) > parseToNumber(b) ? -1 : 1;
+      })
+      .join(', ');
+  }
+}
diff --git a/lib/security_blog.js b/lib/security_blog.js
index c0987bfe..34251d4d 100644
--- a/lib/security_blog.js
+++ b/lib/security_blog.js
@@ -4,24 +4,17 @@ import _ from 'lodash';
 import nv from '@pkgjs/nv';
 import {
   PLACEHOLDERS,
-  getVulnerabilitiesJSON,
   checkoutOnSecurityReleaseBranch,
-  NEXT_SECURITY_RELEASE_REPOSITORY,
   validateDate,
-  commitAndPushVulnerabilitiesJSON,
-  NEXT_SECURITY_RELEASE_FOLDER
+  SecurityRelease
 } from './security-release/security-release.js';
 import auth from './auth.js';
 import Request from './request.js';
 
 const kChanged = Symbol('changed');
 
-export default class SecurityBlog {
-  repository = NEXT_SECURITY_RELEASE_REPOSITORY;
+export default class SecurityBlog extends SecurityRelease {
   req;
-  constructor(cli) {
-    this.cli = cli;
-  }
 
   async createPreRelease() {
     const { cli } = this;
@@ -30,7 +23,7 @@ export default class SecurityBlog {
     checkoutOnSecurityReleaseBranch(cli, this.repository);
 
     // read vulnerabilities JSON file
-    const content = getVulnerabilitiesJSON(cli);
+    const content = this.readVulnerabilitiesJSON();
     // validate the release date read from vulnerabilities JSON
     if (!content.releaseDate) {
       cli.error('Release date is not set in vulnerabilities.json,' +
@@ -72,7 +65,7 @@ export default class SecurityBlog {
     checkoutOnSecurityReleaseBranch(cli, this.repository);
 
     // read vulnerabilities JSON file
-    const content = getVulnerabilitiesJSON(cli);
+    const content = this.readVulnerabilitiesJSON(cli);
     if (!content.releaseDate) {
       cli.error('Release date is not set in vulnerabilities.json,' +
         ' run `git node security --update-date=YYYY/MM/DD` to set the release date.');
@@ -113,22 +106,6 @@ export default class SecurityBlog {
     this.updateVulnerabilitiesJSON(content);
   }
 
-  updateVulnerabilitiesJSON(content) {
-    try {
-      this.cli.info('Updating vulnerabilities.json');
-      const vulnerabilitiesJSONPath = path.join(process.cwd(),
-        NEXT_SECURITY_RELEASE_FOLDER, 'vulnerabilities.json');
-      fs.writeFileSync(vulnerabilitiesJSONPath, JSON.stringify(content, null, 2));
-      const commitMessage = 'chore: updated vulnerabilities.json';
-      commitAndPushVulnerabilitiesJSON(vulnerabilitiesJSONPath,
-        commitMessage,
-        { cli: this.cli, repository: this.repository });
-    } catch (error) {
-      this.cli.error('Error updating vulnerabilities.json');
-      this.cli.error(error);
-    }
-  }
-
   async promptExistingPreRelease(cli) {
     const pathPreRelease = await cli.prompt(
       'Please provide the path of the existing pre-release announcement:', {
@@ -324,21 +301,6 @@ export default class SecurityBlog {
     return text.join('\n');
   }
 
-  getAffectedVersions(content) {
-    const affectedVersions = new Set();
-    for (const report of Object.values(content.reports)) {
-      for (const affectedVersion of report.affectedVersions) {
-        affectedVersions.add(affectedVersion);
-      }
-    }
-    const parseToNumber = str => +(str.match(/[\d.]+/g)[0]);
-    return Array.from(affectedVersions)
-      .sort((a, b) => {
-        return parseToNumber(a) > parseToNumber(b) ? -1 : 1;
-      })
-      .join(', ');
-  }
-
   getSecurityPreReleaseTemplate() {
     return fs.readFileSync(
       new URL(
diff --git a/lib/update-v8/constants.js b/lib/update-v8/constants.js
index 31a99635..d8ed501f 100644
--- a/lib/update-v8/constants.js
+++ b/lib/update-v8/constants.js
@@ -38,6 +38,9 @@ const fp16Ignore = `!/third_party/fp16
 /third_party/fp16/src/*
 !/third_party/fp16/src/include`;
 
+const fastFloatReplace = `/third_party/fast_float/src/*
+!/third_party/fast_float/src/include`;
+
 export const v8Deps = [
   {
     name: 'trace_event',
@@ -103,5 +106,14 @@ export const v8Deps = [
     repo: 'third_party/fp16/src',
     gitignore: fp16Ignore,
     since: 124
+  },
+  {
+    name: 'fast_float',
+    repo: 'third_party/fast_float/src',
+    gitignore: {
+      match: '/third_party/fast_float/src',
+      replace: fastFloatReplace
+    },
+    since: 130
   }
 ];
diff --git a/lib/update_security_release.js b/lib/update_security_release.js
index c9ae2dd4..66e2c162 100644
--- a/lib/update_security_release.js
+++ b/lib/update_security_release.js
@@ -1,31 +1,23 @@
 import {
-  NEXT_SECURITY_RELEASE_FOLDER,
-  NEXT_SECURITY_RELEASE_REPOSITORY,
   checkoutOnSecurityReleaseBranch,
   checkRemote,
   commitAndPushVulnerabilitiesJSON,
   validateDate,
   pickReport,
   getReportSeverity,
-  getSummary
+  getSummary,
+  SecurityRelease
 } from './security-release/security-release.js';
 import fs from 'node:fs';
-import path from 'node:path';
 import auth from './auth.js';
 import Request from './request.js';
 import nv from '@pkgjs/nv';
 
-export default class UpdateSecurityRelease {
-  repository = NEXT_SECURITY_RELEASE_REPOSITORY;
-  constructor(cli) {
-    this.cli = cli;
-  }
-
+export default class UpdateSecurityRelease extends SecurityRelease {
   async sync() {
     checkRemote(this.cli, this.repository);
 
-    const vulnerabilitiesJSONPath = this.getVulnerabilitiesJSONPath();
-    const content = this.readVulnerabilitiesJSON(vulnerabilitiesJSONPath);
+    const content = this.readVulnerabilitiesJSON();
     const credentials = await auth({
       github: true,
       h1: true
@@ -52,6 +44,7 @@ export default class UpdateSecurityRelease {
         prURL
       };
     }
+    const vulnerabilitiesJSONPath = this.getVulnerabilitiesJSONPath();
     fs.writeFileSync(vulnerabilitiesJSONPath, JSON.stringify(content, null, 2));
     this.cli.ok('Synced vulnerabilities.json with HackerOne');
   }
@@ -78,22 +71,6 @@ export default class UpdateSecurityRelease {
     cli.ok('Done!');
   }
 
-  readVulnerabilitiesJSON(vulnerabilitiesJSONPath) {
-    const exists = fs.existsSync(vulnerabilitiesJSONPath);
-
-    if (!exists) {
-      this.cli.error(`The file vulnerabilities.json does not exist at ${vulnerabilitiesJSONPath}`);
-      process.exit(1);
-    }
-
-    return JSON.parse(fs.readFileSync(vulnerabilitiesJSONPath, 'utf8'));
-  }
-
-  getVulnerabilitiesJSONPath() {
-    return path.join(process.cwd(),
-      NEXT_SECURITY_RELEASE_FOLDER, 'vulnerabilities.json');
-  }
-
   async updateJSONReleaseDate(releaseDate) {
     const vulnerabilitiesJSONPath = this.getVulnerabilitiesJSONPath();
     const content = this.readVulnerabilitiesJSON(vulnerabilitiesJSONPath);
@@ -163,7 +140,7 @@ export default class UpdateSecurityRelease {
     const programId = await this.getNodeProgramId(req);
     const cves = await this.promptCVECreation(req, reports, programId);
     this.assignCVEtoReport(cves, reports);
-    this.updateVulnerabilitiesJSON(content, vulnerabilitiesJSONPath);
+    this.updateVulnerabilitiesJSON(content);
     this.updateHackonerReportCve(req, reports);
   }
 
@@ -195,18 +172,6 @@ export default class UpdateSecurityRelease {
     }
   }
 
-  updateVulnerabilitiesJSON(content, vulnerabilitiesJSONPath) {
-    this.cli.startSpinner(`Updating vulnerabilities.json from\
-     ${vulnerabilitiesJSONPath}..`);
-    const filePath = path.resolve(vulnerabilitiesJSONPath);
-    fs.writeFileSync(filePath, JSON.stringify(content, null, 2));
-    // push the changes to the repository
-    commitAndPushVulnerabilitiesJSON(filePath,
-      'chore: updated vulnerabilities.json with CVEs',
-      { cli: this.cli, repository: this.repository });
-    this.cli.stopSpinner(`Done updating vulnerabilities.json from ${filePath}`);
-  }
-
   async promptCVECreation(req, reports, programId) {
     const supportedVersions = (await nv('supported'));
     const cves = [];
diff --git a/package.json b/package.json
index a0fd2135..1f1d6912 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@node-core/utils",
-  "version": "5.4.0",
+  "version": "5.5.0",
   "description": "Utilities for Node.js core collaborators",
   "type": "module",
   "engines": {