CHANGELOG: Document uartdev changes.
### Changed
- Updated MicroPython to v1.16.
-
+- Simplified the Powered Up UART Protocol host implementation. Unused device
+ properties are no longer stored in order to reduce flash and RAM
+ usage ([pull#57]).
## [3.0.0] - 2021-06-08
@@ -42,6 +44,7 @@ Prerelease changes are documented at [support#48].
<!-- let's try to keep this list sorted -->
[issue#21]: https://github.com/pybricks/pybricks-micropython/issues/21
[issue#49]: https://github.com/pybricks/pybricks-micropython/issues/49
+[pull#57]: https://github.com/pybricks/pybricks-micropython/pull/57
[support#48]: https://github.com/pybricks/support/issues/48
[support#52]: https://github.com/pybricks/support/issues/52
[support#186]: https://github.com/pybricks/support/issues/186
