There's an ongoing communication to prepare for this update upfront: https://blog.mozilla.org/addons/2023/08/10/prepare-your-firefox-desktop-extension-for-the-u

There's an ongoing communication to prepare for this update upfront: https://blog.mozilla.org/addons/2023/08/10/prepare-your-firefox-desktop-extension-for-the-upcoming-android-release/ https://blog.mozilla.org/addons/2023/08/10/prepare-your-fire... https://blog.mozilla.org/addons/2023/09/27/test-firefox-android-extensions-and-help-developers-prepare-for-an-open-mobile-ecosystem-in-december https://blog.mozilla.org/addons/2023/09/27/test-firefox-andr...