What's Changed
- Replace deprecated PM2.5 concentration constant with UnitOfDensity-compatible mapping by @JeffSteinbok with @Copilot in #921
- Fix DR-HPF020S auto/natural mode mapping by @JeffSteinbok in #922
- Clarify DR-HPF020S mapping comment and fix PM2.5 unit test on newer HA by @JeffSteinbok in #923
Full Changelog: v1.11.8...v1.11.9