It's exciting to see progress with Stratum V2. More of its code has been merged into Bitcoin Core and miners such as DMND are supporting it
I'm looking forward to Ocean and Knots supporting Stratum V2
hashpool.dev has made great progress with its approach to mining decentralisation. Here's a slightly older video on that system, which maximises miner privacy by paying miner shares in the form of cashu-based "e-hash":