changelog and version
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CHANGELOG.md
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CHANGELOG.md
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# Changelog
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## 0.24.0
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*September 6th, 2018*
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Special thanks to external contributors with PRs included in this release: ackratos, james-ray, bradyjoestar,
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peerlink, Ahmah2009, bluele, b00f.
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This release includes breaking upgrades in the block header,
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including the long awaited changes for delaying validator set updates by one
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block. It also fixes enforcement on the max size of blocks, and includes a BFT
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timestamp in each block that can be safely used by applications. There are also some
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minor breaking changes to the rpc, config, and ABCI.
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From here on, breaking changes will be broken down to better reflect how users
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are affected by a change.
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A few more breaking changes are in the works - each will come with a clear
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Architecture Decision Record (ADR) explaining the change. You can review ADRs
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[here](https://github.com/tendermint/tendermint/tree/develop/docs/architecture)
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or in the [open Pull Requests](https://github.com/tendermint/tendermint/pulls).
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BREAKING CHANGES:
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* CLI/RPC/Config
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- [config] [\#2169](https://github.com/tendermint/tendermint/issues/2169) Replace MaxNumPeers with MaxNumInboundPeers and MaxNumOutboundPeers
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- [config] [\#2300](https://github.com/tendermint/tendermint/issues/2300) Reduce default mempool size from 100k to 5k, until ABCI rechecking is implemented.
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- [rpc] [\#1815](https://github.com/tendermint/tendermint/issues/1815) `/commit` returns a `signed_header` field instead of everything being top-level
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* Apps
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- [abci] Added address of the original proposer of the block to Header
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- [abci] Change ABCI Header to match Tendermint exactly
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- [abci] [\#2159](https://github.com/tendermint/tendermint/issues/2159) Update use of `Validator` (see
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[ADR-018](https://github.com/tendermint/tendermint/blob/develop/docs/architecture/adr-018-ABCI-Validators.md)):
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- Remove PubKey from `Validator` (so it's just Address and Power)
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- Introduce `ValidatorUpdate` (with just PubKey and Power)
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- InitChain and EndBlock use ValidatorUpdate
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- Update field names and types in BeginBlock
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- [state] [\#1815](https://github.com/tendermint/tendermint/issues/1815) Validator set changes are now delayed by one block
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- updates returned in ResponseEndBlock for block H will be included in RequestBeginBlock for block H+2
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* Go API
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- [lite] [\#1815](https://github.com/tendermint/tendermint/issues/1815) Complete refactor of the package
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- [node] [\#2212](https://github.com/tendermint/tendermint/issues/2212) NewNode now accepts a `*p2p.NodeKey` (@bradyjoestar)
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- [libs/common] [\#2199](https://github.com/tendermint/tendermint/issues/2199) Remove Fmt, in favor of fmt.Sprintf
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- [libs/common] SplitAndTrim was deleted
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- [libs/common] [\#2274](https://github.com/tendermint/tendermint/issues/2274) Remove unused Math functions like MaxInt, MaxInt64,
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MinInt, MinInt64 (@Ahmah2009)
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- [libs/clist] Panics if list extends beyond MaxLength
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- [crypto] [\#2205](https://github.com/tendermint/tendermint/issues/2205) Rename AminoRoute variables to no longer be prefixed by signature type.
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* Blockchain Protocol
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- [state] [\#1815](https://github.com/tendermint/tendermint/issues/1815) Validator set changes are now delayed by one block (!)
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- Add NextValidatorSet to State, changes on-disk representation of state
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- [state] [\#2184](https://github.com/tendermint/tendermint/issues/2184) Enforce ConsensusParams.BlockSize.MaxBytes (See
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[ADR-020](https://github.com/tendermint/tendermint/blob/develop/docs/architecture/adr-020-block-size.md)).
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- Remove ConsensusParams.BlockSize.MaxTxs
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- Introduce maximum sizes for all components of a block, including ChainID
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- [types] Updates to the block Header:
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- [\#1815](https://github.com/tendermint/tendermint/issues/1815) NextValidatorsHash - hash of the validator set for the next block,
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so the current validators actually sign over the hash for the new
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validators
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- [\#2106](https://github.com/tendermint/tendermint/issues/2106) ProposerAddress - address of the block's original proposer
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- [consensus] [\#2203](https://github.com/tendermint/tendermint/issues/2203) Implement BFT time
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- Timestamp in block must be monotonic and equal the median of timestamps in block's LastCommit
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- [crypto] [\#2239](https://github.com/tendermint/tendermint/issues/2239) Secp256k1 signature changes (See
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[ADR-014](https://github.com/tendermint/tendermint/blob/develop/docs/architecture/adr-014-secp-malleability.md)):
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- format changed from DER to `r || s`, both little endian encoded as 32 bytes.
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- malleability removed by requiring `s` to be in canonical form.
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* P2P Protocol
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- [p2p] [\#2263](https://github.com/tendermint/tendermint/issues/2263) Update secret connection to use a little endian encoded nonce
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- [blockchain] [\#2213](https://github.com/tendermint/tendermint/issues/2213) Fix Amino routes for blockchain reactor messages
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(@peerlink)
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FEATURES:
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- [types] [\#2015](https://github.com/tendermint/tendermint/issues/2015) Allow genesis file to have 0 validators (@b00f)
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- Initial validator set can be determined by the app in ResponseInitChain
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- [rpc] [\#2161](https://github.com/tendermint/tendermint/issues/2161) New event `ValidatorSetUpdates` for when the validator set changes
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- [crypto/multisig] [\#2164](https://github.com/tendermint/tendermint/issues/2164) Introduce multisig pubkey and signature format
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- [libs/db] [\#2293](https://github.com/tendermint/tendermint/issues/2293) Allow passing options through when creating instances of leveldb dbs
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IMPROVEMENTS:
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- [docs] Lint documentation with `write-good` and `stop-words`.
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- [scripts] [\#2196](https://github.com/tendermint/tendermint/issues/2196) Added json2wal tool, which is supposed to help our users restore (@bradyjoestar)
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corrupted WAL files and compose test WAL files (@bradyjoestar)
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- [mempool] [\#2234](https://github.com/tendermint/tendermint/issues/2234) Now stores txs by hash inside of the cache, to mitigate memory leakage
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- [mempool] [\#2166](https://github.com/tendermint/tendermint/issues/2166) Set explicit capacity for map when updating txs (@bluele)
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BUG FIXES:
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- [config] [\#2284](https://github.com/tendermint/tendermint/issues/2284) Replace `db_path` with `db_dir` from automatically generated configuration files.
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- [mempool] [\#2188](https://github.com/tendermint/tendermint/issues/2188) Fix OOM issue from cache map and list getting out of sync
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- [state] [\#2051](https://github.com/tendermint/tendermint/issues/2051) KV store index supports searching by `tx.height` (@ackratos)
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- [rpc] [\#2327](https://github.com/tendermint/tendermint/issues/2327) `/dial_peers` does not try to dial existing peers
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- [node] [\#2323](https://github.com/tendermint/tendermint/issues/2323) Filter empty strings from config lists (@james-ray)
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- [abci/client] [\#2236](https://github.com/tendermint/tendermint/issues/2236) Fix closing GRPC connection (@bradyjoestar)
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## 0.23.1
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*August 22nd, 2018*
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@ -1,80 +1,22 @@
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# Pending
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Special thanks to external contributors with PRs included in this release: ackratos, james-ray, bradyjoestar,
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peerlink, Ahmah2009, bluele, b00f
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Special thanks to external contributors with PRs included in this release:
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BREAKING CHANGES:
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* CLI/RPC/Config
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- [config] [\#2169](https://github.com/tendermint/tendermint/issues/2169) Replace MaxNumPeers with MaxNumInboundPeers and MaxNumOutboundPeers
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- [config] [\#2300](https://github.com/tendermint/tendermint/issues/2300) Reduce default mempool size from 100k to 5k, until ABCI rechecking is implemented.
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- [rpc] [\#1815](https://github.com/tendermint/tendermint/issues/1815) `/commit` returns a `signed_header` field instead of everything being top-level
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* Apps
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- [abci] Added address of the original proposer of the block to Header
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- [abci] Change ABCI Header to match Tendermint exactly
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- [abci] [\#2159](https://github.com/tendermint/tendermint/issues/2159) Update use of `Validator` (see
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[ADR-018](https://github.com/tendermint/tendermint/blob/develop/docs/architecture/adr-018-ABCI-Validators.md)):
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- Remove PubKey from `Validator` (so it's just Address and Power)
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- Introduce `ValidatorUpdate` (with just PubKey and Power)
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- InitChain and EndBlock use ValidatorUpdate
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- Update field names and types in BeginBlock
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- [state] [\#1815](https://github.com/tendermint/tendermint/issues/1815) Validator set changes are now delayed by one block
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- updates returned in ResponseEndBlock for block H will be included in RequestBeginBlock for block H+2
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* Go API
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- [lite] [\#1815](https://github.com/tendermint/tendermint/issues/1815) Complete refactor of the package
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- [node] [\#2212](https://github.com/tendermint/tendermint/issues/2212) NewNode now accepts a `*p2p.NodeKey` (@bradyjoestar)
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- [libs/common] [\#2199](https://github.com/tendermint/tendermint/issues/2199) Remove Fmt, in favor of fmt.Sprintf
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- [libs/common] SplitAndTrim was deleted
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- [libs/common] [\#2274](https://github.com/tendermint/tendermint/issues/2274) Remove unused Math functions like MaxInt, MaxInt64,
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MinInt, MinInt64 (@Ahmah2009)
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- [libs/clist] Panics if list extends beyond MaxLength
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- [crypto] [\#2205](https://github.com/tendermint/tendermint/issues/2205) Rename AminoRoute variables to no longer be prefixed by signature type.
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* Blockchain Protocol
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- [state] [\#1815](https://github.com/tendermint/tendermint/issues/1815) Validator set changes are now delayed by one block (!)
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- Add NextValidatorSet to State, changes on-disk representation of state
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- [state] [\#2184](https://github.com/tendermint/tendermint/issues/2184) Enforce ConsensusParams.BlockSize.MaxBytes (See
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[ADR-020](https://github.com/tendermint/tendermint/blob/develop/docs/architecture/adr-020-block-size.md)).
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- Remove ConsensusParams.BlockSize.MaxTxs
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- Introduce maximum sizes for all components of a block, including ChainID
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- [types] Updates to the block Header:
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- [\#1815](https://github.com/tendermint/tendermint/issues/1815) NextValidatorsHash - hash of the validator set for the next block,
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so the current validators actually sign over the hash for the new
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validators
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- [\#2106](https://github.com/tendermint/tendermint/issues/2106) ProposerAddress - address of the block's original proposer
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- [consensus] [\#2203](https://github.com/tendermint/tendermint/issues/2203) Implement BFT time
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- Timestamp in block must be monotonic and equal the median of timestamps in block's LastCommit
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- [crypto] [\#2239](https://github.com/tendermint/tendermint/issues/2239) Secp256k1 signature changes (See
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[ADR-014](https://github.com/tendermint/tendermint/blob/develop/docs/architecture/adr-014-secp-malleability.md)):
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- format changed from DER to `r || s`, both little endian encoded as 32 bytes.
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- malleability removed by requiring `s` to be in canonical form.
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* P2P Protocol
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- [p2p] [\#2263](https://github.com/tendermint/tendermint/issues/2263) Update secret connection to use a little endian encoded nonce
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- [blockchain] [\#2213](https://github.com/tendermint/tendermint/issues/2213) Fix Amino routes for blockchain reactor messages
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(@peerlink)
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FEATURES:
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- [types] [\#2015](https://github.com/tendermint/tendermint/issues/2015) Allow genesis file to have 0 validators (@b00f)
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- Initial validator set can be determined by the app in ResponseInitChain
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- [rpc] [\#2161](https://github.com/tendermint/tendermint/issues/2161) New event `ValidatorSetUpdates` for when the validator set changes
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- [crypto/multisig] [\#2164](https://github.com/tendermint/tendermint/issues/2164) Introduce multisig pubkey and signature format
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- [libs/db] [\#2293](https://github.com/tendermint/tendermint/issues/2293) Allow passing options through when creating instances of leveldb dbs
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IMPROVEMENTS:
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- [docs] Lint documentation with `write-good` and `stop-words`.
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- [scripts] [\#2196](https://github.com/tendermint/tendermint/issues/2196) Added json2wal tool, which is supposed to help our users restore (@bradyjoestar)
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corrupted WAL files and compose test WAL files (@bradyjoestar)
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- [mempool] [\#2234](https://github.com/tendermint/tendermint/issues/2234) Now stores txs by hash inside of the cache, to mitigate memory leakage
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- [mempool] [\#2166](https://github.com/tendermint/tendermint/issues/2166) Set explicit capacity for map when updating txs (@bluele)
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BUG FIXES:
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- [config] [\#2284](https://github.com/tendermint/tendermint/issues/2284) Replace `db_path` with `db_dir` from automatically generated configuration files.
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- [mempool] [\#2188](https://github.com/tendermint/tendermint/issues/2188) Fix OOM issue from cache map and list getting out of sync
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- [state] [\#2051](https://github.com/tendermint/tendermint/issues/2051) KV store index supports searching by `tx.height` (@ackratos)
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- [rpc] [\#2327](https://github.com/tendermint/tendermint/issues/2327) `/dial_peers` does not try to dial existing peers
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- [node] [\#2323](https://github.com/tendermint/tendermint/issues/2323) Filter empty strings from config lists (@james-ray)
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- [abci/client] [\#2236](https://github.com/tendermint/tendermint/issues/2236) Fix closing GRPC connection (@bradyjoestar)
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@ -3,14 +3,14 @@ package version
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// Version components
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const (
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Maj = "0"
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Min = "23"
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Fix = "1"
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Min = "24"
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Fix = "0"
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)
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var (
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// Version is the current version of Tendermint
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// Must be a string because scripts like dist.sh read this file.
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Version = "0.23.1"
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Version = "0.24.0"
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// GitCommit is the current HEAD set using ldflags.
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GitCommit string
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