Someone recently asked if there was a neat way to see where all of the now broken down subreddits moved.
Some moved to Discord, some to Lemmy, and some are somewhere else.
This seems to be a good place to find your communities again: https://sub.rehab/
While it’s a massive pain for a lot of reaaons, it’s also an advantage in many ways, reddit went wayy down hill due to more and more people coming to the site
If they wanted Discord, they could have gone Matrix