The #TLC2019 hack day was pretty good so far. Got https://accounts.kosmos.org working in production (craeful, it's an early preview). And identified and reported a bug in BTCPay Server on the way.
Mastodon is the best way to keep up with what's happening.
Follow anyone across the fediverse and see it all in chronological order. No algorithms, ads, or clickbait in sight.