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# Tendermint Roadmap
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This is an estimate of what we will be working on in Tendermint over the coming months.
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It is in the same style as our [CHANGELOG](/docs/changelog)
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How these changes will be rolled out in terms of versions and releases can be better [tracked on Github](https://github.com/tendermint/tendermint/issues)
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Please note that Tendermint is not yet production ready;
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it is pre-v1.0.0 and we make backwards incompatible changes with each minor version release.
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If you require more stability in the near term, please [get in touch](/contact).
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BREAKING CHANGES:
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- Add more fields to the Header: NextValidatorSet, ResultsHash, EvidenceHash
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- Pass evidence/voteInfo through ABCI
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- Upgrade the consensus to make more real-time use of evidence during voting;
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instead of +2/3 precommits for a block, a Commit becomes the entire `JSet`.
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While the commit size may grow unbounded in size, it makes a fork immediately slash a +1/3 Byzantine subset of validators.
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- Avoid exposing empty blocks as a first-class citizen of the blockchain
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- Use a more advanced logging system
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FEATURES:
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- Use the chain as its own CA for nodes and validators
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- Tooling to run multiple blockchains/apps, possibly in a single process
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- State syncing (without transaction replay)
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- Transaction indexing and improved support for querying history and state
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- Add authentication and rate-limitting to the RPC
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IMPROVEMENTS:
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- Better Tendermint CLI
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- Improve subtleties around mempool caching and logic
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- Consensus optimizations:
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- cache block parts for faster agreement after round changes
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- Better testing of the consensus state machine (ie. use a DSL)
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- Auto compiled serialization/deserialization code instead of go-wire reflection
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BUG FIXES:
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- Graceful handling/recovery for apps that have non-determinism or fail to halt
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- Graceful handling/recovery for violations of safety, or liveness
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