# Unreleased Changes Friendly reminder: We have a [bug bounty program](https://hackerone.com/cosmos). ## vX.X Month, DD, YYYY Special thanks to external contributors on this release: ### BREAKING CHANGES - CLI/RPC/Config - Apps - P2P Protocol - [p2p] \#7035 Remove legacy P2P routing implementation and associated configuration options (@tychoish) - Go API - [blocksync] \#7046 Remove v2 implementation of the blocksync service and recactor, which was disabled in the previous release (@tychoish) - [p2p] \#7064 Remove WDRR queue implementation. (@tychoish) - Blockchain Protocol ### FEATURES - [cli] [#7033](https://github.com/tendermint/tendermint/pull/7033) Add a `rollback` command to rollback to the previous tendermint state in the event of non-determinstic app hash or reverting an upgrade. - [mempool, rpc] \#7041 Add removeTx operation to the RPC layer. (@tychoish) ### IMPROVEMENTS ### BUG FIXES