SUMMARY
Since the merge of the new color palette code:
https://binary-factory.kde.org/job/Krita_Nightly_Appimage_Build/245/
Text dialogue > Toolbar > Text Color popup > Palette
Cannot change text color anymore.
The color selector underneath is still functional.

Tested on: krita-4.2.0-pre-alpha-715ad13-x86_64.appimage

STEPS TO REPRODUCE
1. Create a new block of text;
2. Highlight a section of the text you want to color;
3. In Text dialogue, open Text Color popup on the leftmost of its toolbar;
4. Click on the palette's slots

OBSERVED RESULT
The highlighted text section does not change color when you click on the palette's slots.

EXPECTED RESULT
The highlighted text section changes color when you click on the palette's slots.

SOFTWARE VERSIONS
(available in About System)
KDE Plasma Version: 
KDE Frameworks Version: 
Qt Version: 

ADDITIONAL INFORMATION