Firefox Release Notes

Release Notes tell you what’s new in Firefox. As always, we welcome your feedback. You can also file a bug in Bugzilla or see the system requirements of this release.

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Version 45.0.1, first offered to Release channel users on March 16, 2016

We'd also like to extend a special thank you to all of the new Mozillians who contributed to this release of Firefox!

Fix some loading issues when Accept third-party cookies: was set to Never (1254856)
Fix a regression when using the location bar (1254503)
Fix an issue which could cause the list of search provider to be empty (1255605)
XSLTProcessor.importStylesheet was failing when <import> was used (1249572)
Fix a regression causing search engine settings to be lost in some context (1254694)
Bring back non-standard jar: URIs to fix a regression in IBM iNotes (1255139)
Fix a potential performance regression (Youtube for example) (1220502)

Get the most recent version

Download Firefox — English (US)

Your system may not meet the requirements for Firefox, but you can try one of these versions:

Download Firefox — English (US)