Lolu chungechunge lwabekwa kunqolobane. Uyacelwa ubuze umbuzo omusha uma udinga usizo.
v89 made the FoE browser game (HTML5) UI very slow. setting browser.proton.enabled to false restored old fast UI response instantly.
This is therefore very definitely an issue with v89.
Trying to log this as an issue with v89 this is only place found so far.