Firefox 144 Update — Rollout Plan and FAQ

🆕 Update (February 09, 2026)
We are starting the transition and rollout of new versions of Firefox. During this transition, current and new versions of Firefox will be available.

Table of Contents

  • Overview

  • Key changes

  • Quick summary

  • Frequently Asked Questions

Overview

New Firefox browser versions are now available (136 up to 144). You can enable them in test and/or suite settings. Starting February 23, 2026, all tests using “Firefox Latest Version” will run on Firefox 144. Previous versions of Firefox will still remain available through the transition period, however we encourage you to switch early and share any feedback or issues with our support team. More details and FAQs are below.

ℹ️ Please note: Firefox 114 and Firefox 144 remain available to provide flexibility during this transition. Learn more.

Both Firefox 114 and Firefox 144 remain available to provide flexibility during this transition.


Key changes

  • The “Latest Firefox Version” setting is still locked to Firefox 114 until February 23, 2026.
  • You can manually select Firefox 144 for your tests and suites.
  • As always, baselines automatically refresh when switching between browser versions.
  • Existing suites and tests which are using Firefox 114 or “Latest Firefox Version” remain on Firefox 114 unless switched manually.
  • This update lets you validate your tests on Firefox 144 and easily roll back if you encounter any issues.

Quick summary

  • New version available: Firefox 136-144
  • Current default version: Firefox 114
  • Transition period: until February 23, 2026
  • Recommended action: Switch to Firefox 144 early to take advantage of improvements, and report any issues to our support team.

Below you’ll find detailed answers and guidance for a smooth transition.


Frequently Asked Questions

How can I switch to Firefox 144?

New Firefox versions are available to start using in test and suite settings.

What should I do if I encounter issues?

If you notice any unexpected behavior or visual differences in Firefox 144, you can switch back to Firefox 114 in your test and suite settings and let us know — we’ll be happy to discuss and assist.

When will Firefox 114 be removed?

Firefox 114 will remain available. It now runs on updated infrastructure and newer hardware, which may result in subtle differences in behavior or rendering compared to the previous environment. We plan to keep supporting Firefox 114 for the foreseeable future to provide additional flexibility during the transition, while Firefox 144 remains the recommended version for all new tests. If any major issues arise, we will allow temporary rollbacks while implementing fixes.

Need help or have questions?

Please reach out to our support team through the in-app chat or by email at help@ghostinspector.com — we’ll respond quickly and provide detailed guidance. Our team is ready to help with any questions about the transition.


Thank you for helping us move forward — this update will bring improved speed, accuracy, and consistency to your visual tests.


Where can I follow updates?

You can follow updates and rollout notes on this page as we continue monitoring test performance.

  • Ghost Inspector retains support for the last 10 major Firefox versions. After the browser update is complete, the latest available versions will be Firefox 114 and Firefox 136-144.
  • Final Step: All tests using a Firefox version older than 114 will be migrated to Firefox 144 automatically on March 2, 2026.