The Hooks V2 Testnet is now available. Installed Hooks, accounts, balances, etc. on the V1 (previously: only) testnet did not migrate to the new testnet: the V2 testnet started from scratch.
Testnet V2, featuring Hook Chaining, is now live (March 9th 2022). See:
Hooks testnet build
Hooks Testnet build
b4a7e6cd681f3b86997f8cb41bf8b145 is now live.