## v0.33.3 \*\* Special thanks to external contributors on this release: Friendly reminder, we have a [bug bounty program](https://hackerone.com/tendermint). ### BREAKING CHANGES: - CLI/RPC/Config - Apps - Go API ### FEATURES: ### IMPROVEMENTS: - [p2p] [\#4548](https://github.com/tendermint/tendermint/pull/4548) Add ban list to address book (@cmwaters) - [privval] \#4534 Add `error` as a return value on`GetPubKey()` - [Docker] \#4569 Default configuration added to docker image (you can still mount your own config the same way) (@greg-szabo) - [lite2] [\#4562](https://github.com/tendermint/tendermint/pull/4562) Cache headers when using bisection (@cmwaters) ### BUG FIXES: - [rpc] \#4568 Fix panic when `Subscribe` is called, but HTTP client is not running (@melekes) `Subscribe`, `Unsubscribe(All)` methods return an error now.