Bucket null vs new path layer

[Ofnuts]

(11-02-2024, 02:48 PM)Ps2Gimp Wrote: Same thing happens when i save selection to channel or to property.path. Layers seem locked into a 'mode'

There is your problem. When you save a selection to  a channel, that channel becomes the active "drawable" and is now the target of your bucket-fill. Re-select the layer in the Layers list to continue (and also possibly undo the bucket-fill on the saved channel).