Ublock Origin is an obvious one, but I also can’t stand not having Foxy Gestures anymore. It adds customizable mouse gestures, so you can set it up to have easy swipes to go back a page, reload a page, close a tab, etc, and it feels wonderful and smooth to use compared to just using the traditional buttons to do everything. Honestly it’s kinda wild to me that this isn’t more popular now that people are so used to phone gestures. It’s good for the same reasons!
Only barely related, but have you ever tried JiffyReader? It highlights the first segment of each word, which is supposed to help ADHDers focus on each word instead of skimming over whole sentences/paragraphs/pages at once. It does help me like, some.
Oh my GOD, this is a great recommendation! Thank you so much!