See also another post, found here on SN, with the Stratum Protocol working group's website:

Stratum V2 reference implementation (SRI) is here #80218 https://stratumprotocol.org/

Bitcoin companies join in push to promote Stratum V2 adoption, launch open-source test version https://www.theblock.co/post/175961/bitcoin-companies-join-in-push-to-promote-stratum-v2-adoption-launch-open-source-test-version

Block Subsidiary Spiral, Mining Tech Firm Braiins Spearhead Push for Bitcoin Mining Upgrades https://www.coindesk.com/tech/2022/10/11/block-subsidiary-spiral-mining-tech-firm-braiins-spearhead-push-for-bitcoin-mining-upgrades [Archive]