Test versions of Firefox for your organization
This article is for IT Admins who want to configure Firefox on their organization's computers.
Pre-release versions of Firefox, such as Firefox Beta and Firefox Nightly, let you test upcoming features and updates in your environment before they are released to the public.
- Firefox Beta: one version ahead of regular Firefox. For example, if regular Firefox is 65, the Beta version will be 66).
- Firefox Nightly: Two versions ahead of regular Firefox. If the regular version is 65, the Nightly version is 67.
Visit the Firefox channels page to download test versions of Firefox.
Firefox Developer edition is also available and is made specifically for web developers.