It will also revive the comments (because checkmarks float to the top and now you quickly scroll past them)
I wrote a userscript that does this https://pastebin.com/hfw8eQcf
It highlights and optionally collapses "seen" (scrolled past) and "blue checkmark" tweets. If you don't want the seen thing I could patch that out for you.
looks like this: https://i.imgur.com/o68inWp.png
It will also revive the comments (because checkmarks float to the top and now you quickly scroll past them)
I wrote a userscript that does this https://pastebin.com/hfw8eQcf
It highlights and optionally collapses "seen" (scrolled past) and "blue checkmark" tweets. If you don't want the seen thing I could patch that out for you.
looks like this: https://i.imgur.com/o68inWp.png