* Implement changed gas refund rules according to EIP-3529
* Add a unit test for changed gas refunds
* Add missing comment
* Add fork block to spec.hard_forks
* Add SealingState; don't prepare block when not ready. (#10529)
* Fix a few typos and unused warnings. #10803
* Configuration map of block reward contract addresses (#10875)
* Step duration map configuration parameter ported from the POA Network fork (#10902)
* Add a 2/3 quorum option to Authority Round. (#10909)
* Additional arithmetic EVM opcode benchmarks (#10916)
* RPC method for clearing the engine signer (#10920)
* authority_round: Fix next_step_time_duration. (#11379)
* Aura: Report malice on sibling blocks from the same validator (#11160)
* TxPermissions ver 3: gas price & data (#11170)
* Add randomness contract support to AuthorityRound. (#10946)
* Set the block gas limit to the value returned by a contract call (#10928)
* AuthorityEngine: Minor cleanups. (#11408)
* Add POSDAO transition and malice report queue. (#11245)
* PoA call validators on_close_block
* Actualize spec files for POA Networks
* Some fixes after merge
* Crypto error desc
* AuRa on_close_block Error::Old fix
Co-authored-by: POA <33550681+poa@users.noreply.github.com>
