8.9.0

Regression testing on a local cluster

Regression Testsuite
P2P ON - Babbage with Babbage TX	✔️
P2P OFF - Babbage with default (Babbage) TX	✔️
Mix P2P and Legacy - Babbage with default (Babbage) TX	✔️
P2P OFF - Babbage with Alonzo TX	✔️

Other Testing
Upgrade testing (8.7.3 to 8.9.0)	✔️
Rollback testing	✔️
Reconnection testing	✔️
Block production testing on network with 10 pools, 5 of them P2P, 5 of them Legacy - results (sqlite db)	✔️
Sanity checks of the submit-api REST service	✔️
P2P Dynamic Block Production testing	✔️
Conway governance (Experimental)	👌

8.9.0 pushed to shelley-qa	✔️
8.9.0 pushed to preview	⏳
Grafana metrics OK	⏳
Regression testing against shelley-qa	✔️
Regression testing against preview	⏳
Sync testing ran against shelley_qa & Preview & Preprod & Mainnet (Windows, Linux, macOS)	✔️
DB re-validation testing (ledger snapshots compatibility)	✔️
Backward compatibility testing (Node with version N-1)	✔️
Check build instructions changes	✔️