How to Fix Firefox to End Support on MacOS Mojave (also High Sierra / Sierra) in September 2024
This mini-guide provides a structural approach to troubleshoot and fix the issue.
Prerequisites
- Confirm your hardware specifications (CPU, GPU, Motherboard).
- Ensure you have a bootable recovery USB and backup your EFI.
Fix Steps
- Review your system logs and verbose boot output for specific error codes.
- Ensure your OpenCore and kexts are up to date.
- Compare your configuration with the official Dortania guidelines.
Verification
- Reboot and verify if the functionality is restored and stable under typical usage.
Original Question:
Mozilla has announced that support for Firefox will end in September 2024 for MacOS Sierra / High Sierra / Mojave with Firefox ESR 115 :
support.mozilla.org
Firefox users on MacOS Sierra / High Sierra / Mojave will be switched to the ESR channel via an "application update". when Firefox 115 is released in July 2023. Then Firefox ESR 115 will be provided with security updates on these operating systems until...
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Firefox users on macOS 10.12, 10.13 and 10.14 moving to Extended Support Release | Ayuda de Firefox
Firefox version 115 ESR will be the last supported release for macOS 10.12, 10.13 and 10.14
support.mozilla.orgFirefox users on MacOS Sierra / High Sierra / Mojave will be switched to the ESR channel via an "application update". when Firefox 115 is released in July 2023. Then Firefox ESR 115 will be provided with security updates on these operating systems until...
Read more
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