Hi,The latest version of LVGL (7.0) was recently released. You can see some of the new demos here: https://lvgl.io/demosWhat features in TouchGFX are important to you that you weren't able to find in NX or LVGL? We'd be happy to hear about them on ou...
I think it's an Eclipse issue, not necessarily an STM32CubeIDE one. Eclipse has had a number of issues with dark themes for years. As far as I know, the best workaround is to manually fix the color like others have shown above.
As @Community member said, the issue is likely in the generated assembly. If it does turn out to be variables being pushed to memory, try putting your stack in DTCM (if it's not already there), which should be much faster.