With all due respect to the Brave developers and designers, I am not a fan of the new toolbar icons. Personally, I find it difficult to distinguish what the icon is (e.g. the PWA icon being a laptop or the extension icon being a puzzle piece) and prefer the older Chomium style icons.
Is it possible to provide an option to use the old Chromium icons or make changes to the new icons (such as less detail, thicker outline stroke) to increase recognizability?