# Changelog
The format is based on [Keep a Changelog].
[Keep a Changelog]: http://keepachangelog.com/en/1.0.0/
## [Unreleased]
## [0.9.0] - 2021-01-27
### Breaking
- Updated `tetsy-util-mem` to 0.9. [#510](https://github.com/tetcoin/tetsy-common/pull/510)
- Updated `tetsy-kvdb` to 0.9. [#510](https://github.com/tetcoin/tetsy-common/pull/510)
## [0.8.0] - 2021-01-05
### Breaking
- Updated dependencies. [#470](https://github.com/tetcoin/tetsy-common/pull/470)
## [0.7.0] - 2020-06-24
- Updated `tetsy-kvdb` to 0.7. [#402](https://github.com/tetcoin/tetsy-common/pull/402)
## [0.6.0] - 2020-05-05
### Breaking
- Updated to the new `tetsy-kvdb` interface. [#313](https://github.com/tetcoin/tetsy-common/pull/313)
## [0.5.0] - 2020-03-16
- License changed from GPL3 to dual MIT/Apache2. [#342](https://github.com/tetcoin/tetsy-common/pull/342)
- Updated dependencies. [#361](https://github.com/tetcoin/tetsy-common/pull/361)
## [0.4.0] - 2019-02-05
- Bump parking_lot to 0.10. [#332](https://github.com/tetcoin/tetsy-common/pull/332)
## [0.3.1] - 2019-01-06
- Updated features and feature dependencies. [#307](https://github.com/tetcoin/tetsy-common/pull/307)
## [0.3.0] - 2019-01-03
- InMemory key-value database now can report memory used (via `MallocSizeOf`). [#292](https://github.com/tetcoin/tetsy-common/pull/292)
## [0.2.0] - 2019-12-19
### Fixed
- `iter_from_prefix` behaviour synced with the `tetsy-kvdb-rocksdb`
### Changed
- Default column support removed from the API
- Column argument type changed from `Option<u32>` to `u32`
- Migration `None` -> unsupported, `Some(0)` -> `0`, `Some(1)` -> `1`, etc.