# Candera 3.15.1

#### Candera Engine

- [Dirty Area Management](https://doc316en.candera.eu/books/courier/page/dirty-area-management "Dirty Area Management") support added
- Improved performance for several rendering related functions
- Switched from zlib to miniz to reduce code size
- Improved touch interaction handling
- <span data-teams="true">Bitmap Stride information is automatically set on supported platforms</span>