This is a runtime upgrade release for the consensus chain on Mainnet, spec version 2, mirroring Taurus runtime upgrades 10 and 11.
The main changes this release brings is:
- removal of history seeding functionality
- incorrect vote equivocation fix
Applied to Mainnet at block 968_530: https://polkadot.js.org/apps/?rpc=wss%3A%2F%2Frpc.mainnet.subspace.foundation%2Fws#/explorer/query/0x2b4ac2dbc07fc68a10dc0222a098a12b6eca667f3440e38055a5290c0f4d08e0