Polychromatic has been released in version v0.9.8.
The tool is a graphical front-end for managing RGB lighting and effects on Razer keyboards, mice and other devices on Linux, built on top of OpenRazer.
The new release adds device mapping for the Razer Blade 16 (2023) and support for AppStream metainfo translations. Several translations were updated, and a zombie process bug when launching the tray applet from the Controller application was fixed.
New Features:
- Device mapping added for Razer Blade 16 (2023 model)
- AppStream metainfo translation support implemented
Localization Updates:
- Traditional Chinese translation added
- Polish translation updated
- Russian translation updated
Performance & Bug Fixes:
- Optimise brightness slider to prevent lag
- Optimise application icon lookups when selecting a custom effect icon
- Corrected zombie process issue when launching tray applet from Controller application

Source: GitHub