Mozilla has launched the 86.0.1 update of the Firefox browser. This update is a minor version update and has not released any functional improvements. It mainly fixes some uses of Linux and the Apple M1 Mac version. problem.
Mozilla pointed out in the update instructions that some Apple M1 Mac users encountered the problem that the browser could not respond after the system was hibernated, and the problem that it could not respond after switching windows that was fixed in the update of this version.
The Linux version solves the problem of crashes during startup that appear in various Linux distributions, including Fedora and Ubuntu. The Firefox browser released version 86 last month.
This version further adds a full cookie protection function on the basis of version 85 to prevent websites from conducting cross-site tracking, protect user privacy, and support The picture-in-picture mode can watch multiple videos at the same time, and a series of optimizations have been made to the reader mode.
(Source)