Version 49.0 is available upstream. Please consider updating! It seems that version 49.0 is available upstream, while the latest version in the Gentoo tree is 46.1-r1. You think this warning is false? Read more about it here.
GNOME Tweaks allows adjusting advanced configuration
settings in GNOME 3. This includes things like the fonts used in user
interface elements, alternative user interface themes, changes in window
management behavior, GNOME Shell appearance and extension, etc.