- [config] [\#2980](https://github.com/tendermint/tendermint/issues/2980) Fix CORS options formatting
- [kv indexer] [\#2912](https://github.com/tendermint/tendermint/issues/2912) Don't ignore key when executing CONTAINS
- [mempool] [\#2961](https://github.com/tendermint/tendermint/issues/2961) Call `notifyTxsAvailable` if there're txs left after committing a block, but recheck=false
- [mempool] [\#2994](https://github.com/tendermint/tendermint/issues/2994) Reject txs with negative GasWanted
- [p2p] [\#2990](https://github.com/tendermint/tendermint/issues/2990) Fix a bug where seeds don't disconnect from a peer after 3h
- [consensus] [\#3006](https://github.com/tendermint/tendermint/issues/3006) Save state after InitChain only when stateHeight is also 0 (@james-ray)