- # v0.34.0-rc4
-
- Special thanks to external contributors on this release:
-
- Friendly reminder, we have a [bug bounty program](https://hackerone.com/tendermint).
-
- ## BREAKING CHANGES
-
- - [crypto/secp256k1] \#5280 `secp256k1` has been removed from the Tendermint repo. (@marbar3778)
-
- - CLI/RPC/Config
- - [config] \#5315 Rename `prof_laddr` to `pprof_laddr` and move it to `rpc` section (@melekes)
- - [rpc] \#5315 Remove `/unsafe_start_cpu_profiler`, `/unsafe_stop_cpu_profiler` and `/unsafe_write_heap_profile`. Please use pprof functionality instead (@melekes)
-
- ## FEATURES
-
- - [privval] \#5239 Add `chainID` to requests from client. (@marbar3778)
- - [config] Add `--consensus.double_sign_check_height` flag and `DoubleSignCheckHeight` config variable. See [ADR-51](https://github.com/tendermint/tendermint/blob/master/docs/architecture/adr-051-double-signing-risk-reduction.md)
- - [light] [\#5298](https://github.com/tendermint/tendermint/pull/5298) Morph validator set and signed header into light block (@cmwaters)
-
- ## IMPROVEMENTS
-
- - [blockchain] \#5278 Verify only +2/3 of the signatures in a block when fast syncing. (@marbar3778)
- - [rpc] \#5293 `/dial_peers` has added `private` and `unconditional` as parameters. (@marbar3778)
-
- ## BUG FIXES
-
- - [blockchain] \#5249 Fix fast sync halt with initial height > 1 (@erikgrinaker)
-
- - [statesync] \#5302 Fix genesis state propagation to state sync routine (@erikgrinaker)
-
- - [statesync] \#5311 Fix validator set off-by-one causing consensus failures (@erikgrinaker)
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- - [light] [\#5307](https://github.com/tendermint/tendermint/pull/5307) Persist correct proposer priority in light client validator sets (@cmwaters)
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