and this project adheres to
[Semantic Versioning](http://semver.org/spec/v2.0.0.html).
## [2.0.0-pre.1] - 2021-04-22
## [2.0.0-pre.2] - 2021-04-22
### Major Changes
#### com.unity.ml-agents / com.unity.ml-agents.extensions (C#)
- The minimum supported Unity version was updated to 2019.4. (#5166)
Christopher Goy