## Parity-Ethereum [v2.6.0](https://github.com/paritytech/parity-ethereum/releases/tag/v2.6.0)

Parity-Ethereum 2.6.0-beta is a minor release that stabilizes the 2.6 branch by
marking it as a beta release.

This release includes:
  * Major refactoring of the codebase
  * Many bugfixes
  * Significant improvements to logging, error and warning message clarity.
  * SecretStore: remove support of old database formats (#10757)
      * This is a potentially breaking change if you have not upgraded for
          quite some time.

 As of today, Parity-Ethereum 2.4 reaches end of life, and everyone is
 encouraged to upgrade.

The full list of included changes:
* update jsonrpc to 12.0 ([#10841](https://github.com/paritytech/parity-ethereum/pull/10841))
* Move more code into state-account ([#10840](https://github.com/paritytech/parity-ethereum/pull/10840))
* Extract AccountDB to account-db ([#10839](https://github.com/paritytech/parity-ethereum/pull/10839))
* Extricate PodAccount and state Account to own crates ([#10838](https://github.com/paritytech/parity-ethereum/pull/10838))
* Fix fork choice ([#10837](https://github.com/paritytech/parity-ethereum/pull/10837))
* tests: Relates to #10655: Test instructions for Readme ([#10835](https://github.com/paritytech/parity-ethereum/pull/10835))
* idiomatic changes to PodState ([#10834](https://github.com/paritytech/parity-ethereum/pull/10834))
* Break circular dependency between Client and Engine (part 1) ([#10833](https://github.com/paritytech/parity-ethereum/pull/10833))
* Remove excessive warning ([#10831](https://github.com/paritytech/parity-ethereum/pull/10831))
* Allow --nat extip:your.host.here.org ([#10830](https://github.com/paritytech/parity-ethereum/pull/10830))
* ethcore does not use byteorder ([#10829](https://github.com/paritytech/parity-ethereum/pull/10829))
* Fix typo in README.md ([#10828](https://github.com/paritytech/parity-ethereum/pull/10828))
* Update wordlist to v1.3 ([#10823](https://github.com/paritytech/parity-ethereum/pull/10823))
* bump `smallvec 0.6.10` to fix vulnerability ([#10822](https://github.com/paritytech/parity-ethereum/pull/10822))
* removed additional_params method ([#10818](https://github.com/paritytech/parity-ethereum/pull/10818))
* Improve logging when remote peer is unknown ([#10817](https://github.com/paritytech/parity-ethereum/pull/10817))
* replace memzero with zeroize crate ([#10816](https://github.com/paritytech/parity-ethereum/pull/10816))
* When updating the client or when called from RPC, sleep should mean sleep ([#10814](https://github.com/paritytech/parity-ethereum/pull/10814))
* Don't reimplement the logic from the Default impl ([#10813](https://github.com/paritytech/parity-ethereum/pull/10813))
* refactor: whisper: Add type aliases and update rustdocs in message.rs ([#10812](https://github.com/paritytech/parity-ethereum/pull/10812))
* test: whisper/cli `add invalid pool size test depending on processor` ([#10811](https://github.com/paritytech/parity-ethereum/pull/10811))
* Add Constantinople EIPs to the dev (instant_seal) config ([#10809](https://github.com/paritytech/parity-ethereum/pull/10809))
* fix spurious test failure ([#10808](https://github.com/paritytech/parity-ethereum/pull/10808))
* revert temp changes to .gitlab-ci.yml ([#10807](https://github.com/paritytech/parity-ethereum/pull/10807))
* removed redundant fmt::Display implementations ([#10806](https://github.com/paritytech/parity-ethereum/pull/10806))
* removed EthEngine alias ([#10805](https://github.com/paritytech/parity-ethereum/pull/10805))
* ethcore-bloom-journal updated to 2018 ([#10804](https://github.com/paritytech/parity-ethereum/pull/10804))
* Fix a few typos and unused warnings. ([#10803](https://github.com/paritytech/parity-ethereum/pull/10803))
* updated price-info to edition 2018 ([#10801](https://github.com/paritytech/parity-ethereum/pull/10801))
* updated parity-local-store to edition 2018 ([#10800](https://github.com/paritytech/parity-ethereum/pull/10800))
* updated project to ansi_term 0.11 ([#10799](https://github.com/paritytech/parity-ethereum/pull/10799))
* ethcore-light uses bincode 1.1 ([#10798](https://github.com/paritytech/parity-ethereum/pull/10798))
* ethcore-network-devp2p uses igd 0.9 ([#10797](https://github.com/paritytech/parity-ethereum/pull/10797))
* Better logging when backfilling ancient blocks fail ([#10796](https://github.com/paritytech/parity-ethereum/pull/10796))
* added new ropsten-bootnode and removed old one ([#10794](https://github.com/paritytech/parity-ethereum/pull/10794))
* Removed machine abstraction from ethcore ([#10791](https://github.com/paritytech/parity-ethereum/pull/10791))
* Removed redundant ethcore-service error type ([#10788](https://github.com/paritytech/parity-ethereum/pull/10788))
* Cleanup unused vm dependencies ([#10787](https://github.com/paritytech/parity-ethereum/pull/10787))
* ethkey no longer uses byteorder ([#10786](https://github.com/paritytech/parity-ethereum/pull/10786))
* Updated blooms-db to rust 2018 and removed redundant deps ([#10785](https://github.com/paritytech/parity-ethereum/pull/10785))
* Treat empty account the same as non-exist accounts in EIP-1052 ([#10775](https://github.com/paritytech/parity-ethereum/pull/10775))
* Do not drop the peer with None difficulty ([#10772](https://github.com/paritytech/parity-ethereum/pull/10772))
* EIP-1702: Generalized Account Versioning Scheme ([#10771](https://github.com/paritytech/parity-ethereum/pull/10771))
* Move Engine::register_client to be before other I/O handler registration ([#10767](https://github.com/paritytech/parity-ethereum/pull/10767))
* ethcore/res: activate atlantis classic hf on block 8772000 ([#10766](https://github.com/paritytech/parity-ethereum/pull/10766))
* Updated Bn128PairingImpl to use optimized batch pairing  ([#10765](https://github.com/paritytech/parity-ethereum/pull/10765))
* Remove unused code ([#10762](https://github.com/paritytech/parity-ethereum/pull/10762))
* Initialize private tx logger only if private tx functionality is enabled ([#10758](https://github.com/paritytech/parity-ethereum/pull/10758))
* SecretStore: remove support of old database formats ([#10757](https://github.com/paritytech/parity-ethereum/pull/10757))
* Enable aesni ([#10756](https://github.com/paritytech/parity-ethereum/pull/10756))
* updater: fix static id hashes initialization ([#10755](https://github.com/paritytech/parity-ethereum/pull/10755))
* Use fewer threads for snapshotting ([#10752](https://github.com/paritytech/parity-ethereum/pull/10752))
* Die error_chain, die ([#10747](https://github.com/paritytech/parity-ethereum/pull/10747))
* Fix deprectation warnings on nightly ([#10746](https://github.com/paritytech/parity-ethereum/pull/10746))
* Improve logging and cleanup in miner around block sealing ([#10745](https://github.com/paritytech/parity-ethereum/pull/10745))
* Add a way to signal shutdown to snapshotting threads ([#10744](https://github.com/paritytech/parity-ethereum/pull/10744))
* fix docker tags for publishing ([#10741](https://github.com/paritytech/parity-ethereum/pull/10741))
* refactor: Fix indentation in ethjson ([#10740](https://github.com/paritytech/parity-ethereum/pull/10740))
* Log validator set changes in EpochManager ([#10734](https://github.com/paritytech/parity-ethereum/pull/10734))
* Print warnings when using dangerous settings for ValidatorSet ([#10733](https://github.com/paritytech/parity-ethereum/pull/10733))
* ethcore: enable ECIP-1054 for classic ([#10731](https://github.com/paritytech/parity-ethereum/pull/10731))
* Stop breaking out of loop if a non-canonical hash is found ([#10729](https://github.com/paritytech/parity-ethereum/pull/10729))
* Removed secret_store folder ([#10722](https://github.com/paritytech/parity-ethereum/pull/10722))
* Revert "enable lto for release builds (#10717)" ([#10721](https://github.com/paritytech/parity-ethereum/pull/10721))
* fix: aura don't add `SystemTime::now()` ([#10720](https://github.com/paritytech/parity-ethereum/pull/10720))
* Use RUSTFLAGS to set the optimization level ([#10719](https://github.com/paritytech/parity-ethereum/pull/10719))
* enable lto for release builds ([#10717](https://github.com/paritytech/parity-ethereum/pull/10717))
* [devp2p] Update to 2018 edition ([#10716](https://github.com/paritytech/parity-ethereum/pull/10716))
* [devp2p] Don't use `rust-crypto` ([#10714](https://github.com/paritytech/parity-ethereum/pull/10714))
* [devp2p] Fix warnings and re-org imports ([#10710](https://github.com/paritytech/parity-ethereum/pull/10710))
* DevP2p: Get node IP address and udp port from Socket, if not included in PING packet ([#10705](https://github.com/paritytech/parity-ethereum/pull/10705))
* introduce MissingParent Error, fixes #10699 ([#10700](https://github.com/paritytech/parity-ethereum/pull/10700))
* Refactor Clique stepping ([#10691](https://github.com/paritytech/parity-ethereum/pull/10691))
* add_sync_notifier in EthPubSubClient holds on to a Client for too long ([#10689](https://github.com/paritytech/parity-ethereum/pull/10689))
* Fix compiler warning (that will become an error) ([#10683](https://github.com/paritytech/parity-ethereum/pull/10683))
* Don't panic if extra_data is longer than VANITY_LENGTH ([#10682](https://github.com/paritytech/parity-ethereum/pull/10682))
* Remove annoying compiler warnings ([#10679](https://github.com/paritytech/parity-ethereum/pull/10679))
* Remove support for hardware wallets ([#10678](https://github.com/paritytech/parity-ethereum/pull/10678))
* [CI] allow cargo audit to fail ([#10676](https://github.com/paritytech/parity-ethereum/pull/10676))
* new image ([#10673](https://github.com/paritytech/parity-ethereum/pull/10673))
* Upgrade ethereum types ([#10670](https://github.com/paritytech/parity-ethereum/pull/10670))
* Reset blockchain properly ([#10669](https://github.com/paritytech/parity-ethereum/pull/10669))
* fix: Move PR template into .github/ folder ([#10663](https://github.com/paritytech/parity-ethereum/pull/10663))
* docs: evmbin - Update Rust docs ([#10658](https://github.com/paritytech/parity-ethereum/pull/10658))
* refactor: Related #9459 - evmbin: replace untyped json! macro with fully typed serde serialization using Rust structs ([#10657](https://github.com/paritytech/parity-ethereum/pull/10657))
* docs: Add PR template ([#10654](https://github.com/paritytech/parity-ethereum/pull/10654))
* docs: Add ProgPoW Rust docs to ethash module ([#10653](https://github.com/paritytech/parity-ethereum/pull/10653))
* docs: Update Readme with TOC, Contributor Guideline. Update Cargo package descriptions ([#10652](https://github.com/paritytech/parity-ethereum/pull/10652))
* Upgrade to parity-crypto 0.4 ([#10650](https://github.com/paritytech/parity-ethereum/pull/10650))
* fix(compilation warnings) ([#10649](https://github.com/paritytech/parity-ethereum/pull/10649))
* [whisper] Move needed aes_gcm crypto in-crate ([#10647](https://github.com/paritytech/parity-ethereum/pull/10647))
* Update publishing ([#10644](https://github.com/paritytech/parity-ethereum/pull/10644))
* ci: publish docs debug ([#10638](https://github.com/paritytech/parity-ethereum/pull/10638))
* Fix publish docs ([#10635](https://github.com/paritytech/parity-ethereum/pull/10635))
* Fix rinkeby petersburg fork ([#10632](https://github.com/paritytech/parity-ethereum/pull/10632))
* Update kovan.json to switch Kovan validator set to POA Consensus Contracts ([#10628](https://github.com/paritytech/parity-ethereum/pull/10628))
* [ethcore] remove error_chain ([#10616](https://github.com/paritytech/parity-ethereum/pull/10616))
* Remove unused import ([#10615](https://github.com/paritytech/parity-ethereum/pull/10615))
* Adds parity_getRawBlockByNumber, parity_submitRawBlock ([#10609](https://github.com/paritytech/parity-ethereum/pull/10609))
* adds rpc error message for --no-ancient-blocks ([#10608](https://github.com/paritytech/parity-ethereum/pull/10608))
* Constantinople HF on POA Core ([#10606](https://github.com/paritytech/parity-ethereum/pull/10606))
* Clique: zero-fill extradata when the supplied value is less than 32 bytes in length ([#10605](https://github.com/paritytech/parity-ethereum/pull/10605))
* evm: add some mulmod benches ([#10600](https://github.com/paritytech/parity-ethereum/pull/10600))
* sccache logs to stdout ([#10596](https://github.com/paritytech/parity-ethereum/pull/10596))
* update bootnodes ([#10595](https://github.com/paritytech/parity-ethereum/pull/10595))
* Merge `Notifier` and `TransactionsPoolNotifier` ([#10591](https://github.com/paritytech/parity-ethereum/pull/10591))
* fix(whisper): change expiry `unix_time + ttl + work` ([#10587](https://github.com/paritytech/parity-ethereum/pull/10587))
* fix(evmbin): make benches compile again ([#10586](https://github.com/paritytech/parity-ethereum/pull/10586))
* fix issue with compilation when 'slow-blocks' feature enabled ([#10585](https://github.com/paritytech/parity-ethereum/pull/10585))
* Allow CORS requests in Secret Store API ([#10584](https://github.com/paritytech/parity-ethereum/pull/10584))
* CI improvements ([#10579](https://github.com/paritytech/parity-ethereum/pull/10579))
* ethcore: improve timestamp handling ([#10574](https://github.com/paritytech/parity-ethereum/pull/10574))
* Update Issue Template to direct security issue to email ([#10562](https://github.com/paritytech/parity-ethereum/pull/10562))
* version: bump master to 2.6 ([#10560](https://github.com/paritytech/parity-ethereum/pull/10560))
* fix(light cull): poll light cull instead of timer ([#10559](https://github.com/paritytech/parity-ethereum/pull/10559))
* Watch transactions pool ([#10558](https://github.com/paritytech/parity-ethereum/pull/10558))
* Add SealingState; don't prepare block when not ready. ([#10529](https://github.com/paritytech/parity-ethereum/pull/10529))
* Explicitly enable or disable Stratum in config file (Issue 9785) ([#10521](https://github.com/paritytech/parity-ethereum/pull/10521))
* Add filtering capability to `parity_pendingTransactions` (issue 8269) ([#10506](https://github.com/paritytech/parity-ethereum/pull/10506))
* Remove calls to heapsize ([#10432](https://github.com/paritytech/parity-ethereum/pull/10432))
* RPC: Implements eth_subscribe("syncing") ([#10311](https://github.com/paritytech/parity-ethereum/pull/10311))
* SecretStore: non-blocking wait of session completion ([#10303](https://github.com/paritytech/parity-ethereum/pull/10303))
* Node table limiting and cache for node filter ([#10288](https://github.com/paritytech/parity-ethereum/pull/10288))
* SecretStore: expose restore_key_public in HTTP API ([#10241](https://github.com/paritytech/parity-ethereum/pull/10241))
* Trivial journal for private transactions ([#10056](https://github.com/paritytech/parity-ethereum/pull/10056))

## Previous releases

- [CHANGELOG-2.5](docs/CHANGELOG-2.5.md) (_stable_)
- [CHANGELOG-2.4](docs/CHANGELOG-2.4.md) (EOL: 2019-07-08)
- [CHANGELOG-2.3](docs/CHANGELOG-2.3.md) (EOL: 2019-04-09)
- [CHANGELOG-2.2](docs/CHANGELOG-2.2.md) (EOL: 2019-02-25)
- [CHANGELOG-2.1](docs/CHANGELOG-2.1.md) (EOL: 2019-01-16)
- [CHANGELOG-2.0](docs/CHANGELOG-2.0.md) (EOL: 2018-11-15)
- [CHANGELOG-1.11](docs/CHANGELOG-1.11.md) (EOL: 2018-09-19)
- [CHANGELOG-1.10](docs/CHANGELOG-1.10.md) (EOL: 2018-07-18)
- [CHANGELOG-1.9](docs/CHANGELOG-1.9.md) (EOL: 2018-05-09)
- [CHANGELOG-1.8](docs/CHANGELOG-1.8.md) (EOL: 2018-03-22)
- [CHANGELOG-1.7](docs/CHANGELOG-1.7.md) (EOL: 2018-01-25)
- [CHANGELOG-1.6](docs/CHANGELOG-1.6.md) (EOL: 2017-10-15)
- [CHANGELOG-1.5](docs/CHANGELOG-1.5.md) (EOL: 2017-07-28)
- [CHANGELOG-1.4](docs/CHANGELOG-1.4.md) (EOL: 2017-03-13)
- [CHANGELOG-1.3](docs/CHANGELOG-1.3.md) (EOL: 2017-01-19)
- [CHANGELOG-1.2](docs/CHANGELOG-1.2.md) (EOL: 2016-11-07)
- [CHANGELOG-1.1](docs/CHANGELOG-1.1.md) (EOL: 2016-08-12)
- [CHANGELOG-1.0](docs/CHANGELOG-1.0.md) (EOL: 2016-06-24)
- [CHANGELOG-0.9](docs/CHANGELOG-0.9.md) (EOL: 2016-05-02)