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What does 'Your browser is deprecated. Please upgrade' mean

I'm using Firefox as my default browser, and I saw a link preview for YouTube (on tumblr, if it matters) that displayed the message 'Your browser is deprecated. Please up… (read more)

I'm using Firefox as my default browser, and I saw a link preview for YouTube (on tumblr, if it matters) that displayed the message 'Your browser is deprecated. Please upgrade' instead of the actual video title. What does this mean?

Asked by Ash 2 days ago

How do I completely uninstalled Firefox and revert back to the previous version, and turn off auto updates?

How do I completely uninstalled Firefox and revert back to the previous version, and turn off auto updates? https://support.mozilla.org/en-US/questions/1569387#answer-18… (read more)

How do I completely uninstalled Firefox and revert back to the previous version, and turn off auto updates?


https://support.mozilla.org/en-US/questions/1569387#answer-1804235

Asked by markfleener 1 week ago

how do I uninstall an update that will not work on a few websites

Since the update on 2/16/26. I have not been able to access several websites that I was able to before the update. Hoe do I uninstall this update and all others after thi… (read more)

Since the update on 2/16/26. I have not been able to access several websites that I was able to before the update. Hoe do I uninstall this update and all others after this date

Asked by b.bfj 1 week ago

Last reply by wxie 1 week ago

What exactly are "remote improvements"?

Hello everyone, I’m wondering what exactly "remote improvements" actually are. Mozilla says: "Remote improvements range from fixes to feature changes to Firefox. They are… (read more)

Hello everyone,

I’m wondering what exactly "remote improvements" actually are.

Mozilla says: "Remote improvements range from fixes to feature changes to Firefox. They are delivered remotely between versions and updates to make your browsing experience stabler and richer (...)."

They are not studies or A/B tests, as those are enabled/disabled separately. They also do not concern WebCompat shims, Safe Browsing, or similar features, nor larger security fixes or more significant bugs that are resolved with a out-of-band update – correct? Is it similar to Windows CU Previews - meaning improvements, fixes, and feature changes that would be included in the next upcoming regular update anyway? Not a case of "let’s roll something out and see how users react" thing?

Have I understood that correctly?

Thanks and best regards, Martin

Asked by m.fessler1 1 week ago

Last reply by Denys 1 week ago