Same experience and issues here. I also unfortunately 'upgraded' to 111.0 and it is horrible. Sluggish performance, high cpu usage, some website pages hang for 30 sec before being responsive again. And, can't log in or use certain website form fea...
I've been using Firefox for many years, and this change has driven me to use other browsers like Chrome and (ugh) Edge. Some sites I can't even open a pdf with Firefox now because its just totally broken. Horrible decision and broken 'feature'
