when trying to change layer color properties through the layer popup panel, changes are not registered:
Confirmed, same issue here.
Tested on Version 7 (7.4.21069.13332, 2021-03-10
Changing the layer colour via the layer Panel works as expected.
Same for the floating window.
Hi Gijs - that one appears to be fixed in the latest, here.
RH-63346 Layers: Color cannot be changed from popup