It seems the last release of P2Pool was in 2017, from what I found P2Pool is now only really popular in Monero. Does the Bitcoin P2Pool still work though? Although if it did, you would likely see a lot more blocks mined by it on the chain.
Bitcoin’s original P2Pool has been inactive for years. A revival effort called P2Pool v2 is underway, with active development on GitHub, though adoption remains minimal. It’s worth noting that decentralized pools like this often face challenges such as latency, orphaned blocks, and low hashrate visibility—especially on Bitcoin’s high-difficulty chain