The problem occurs after you open Firefox and attempt to navigate to pretty any website.

It’s here where the problems are cropping up for users who attempt to navigate to websites that use HTTP3. These were recently updated and now use an HTTP3 implementation for its servers. Surprisingly, the update had nothing to do with the recent update to the browser itself but instead had to do with Firefox’s data analytics services. It would appear as though users began experiencing some pretty major issues with Firefox following a recent update. How to Download Safari 15 on macOS Big Sur and Catalina.Fix Safari: A Problem Repeatedly Occurred.How to AutoFill Passwords From Google Chrome on iPhone and iPad.Comparing the Best Web Browsers for iPhone or iPad.iOS Browser Privacy Compared: Safari vs Firefox vs Brave vs iCab.Unfortunately, there are times where these third-party browsers experience problems that can cause quite a few headaches. One of the best options out there is Firefox, as you’ll enjoy fast loading speeds and access to different extensions that you won’t find on Safari. They are unreliable and unsafe to use, which also makes it difficult to maintain Firefox on those versions.While Apple continues to make great strides with Safari for the Mac, there are some that still prefer using third-party browsers. If you want to keep your Firefox version up to date, you need to upgrade your operating system to macOS 10.12 or higher. How can I get the newest features of Firefox? After this, no security updates will be provided. Up until October 2021, we were updating affected users with critical security updates through the Firefox ESR channel, to help retain the best possible security. Unsupported operating systems do not receive security updates, have known exploits and can be dangerous to use, which makes it difficult to maintain Firefox on those versions.Ĭan I still browse safely with Firefox on OS X 10.9, 10.10 or 10.11? Apple made the last security update applicable to OS X 10.11 available in July 2018. Why has Firefox ended support for OS X 10.9, 10.10 and 10.11 users?Īlthough Apple does not have a public policy governing security updates for older OS X releases, its practice is to support the most recent three releases. Affected users will not receive any further security updates. This was done to provide security updates until the final Firefox 78 ESR update (version 78.15.0esr) was released on October 5, 2021. These users were moved to the Firefox Extended Support Release (ESR) channel by an application update. Firefox Mac OS X 10.9, 10.10 and 10.11 users move to Extended Support Releaseįirefox version 78 was the last supported Firefox version for Mac users of OS X 10.9 Mavericks, OS X 10.10 Yosemite and OS X 10.11 El Capitan.

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