I plan to. At this point even though I do think Reddit could walk back the changes in a way that is mutually accepted, I have zero faith they would be willing to actually make the changes needed to incur enough good will. I rarely if ever commented and won’t delete my account (for access to old content viewed and subreddits subscribed to help seek them out here) but definitely not planning on going back.
Still looking both here and at tildes though.
If you have time and enjoy being active / outside - running.
If you prefer learning and/or experiencing something other than your daily life - reading.
Both can be tailored to your own availability/interest (fast or long running, solo or group, non-fiction or fiction, specific interests or genre.