1) Add hooks to allow modules to add things to state-sync.
2) Register EIP191 as an available SignMode for chains to use.
3) Add a new rollback CLI command to perform a state rollback by one block.
4) Some new queries were added.
5) Fix cgo secp signature verification and update libscep256k1 library.
6) Update the prune everything strategy to store the last two heights.
7) Research exploring incremental verification and SNARKS without pairings,20% complete.
8）New diagnostic command to show database metadata,completed 20%.
9) Optimize nonce handling performance in the txpool,15% completed.