Firefox Release Calendar

Firefox Release Calendar. Firefox is no longer supported on windows 8.1. For help and a quick start on thunderbird 128, see thunderbird 128 nebula faq for more on all the new features in thunderbird 128, see what’s new in thunderbird 128.

You can also file a bug in bugzilla or see the system requirements of this release. The firefox release calendar provides important dates and milestones for upcoming releases of the firefox browser.