Exporting images with transparency using formats that do not support transparency, typically jpeg, and any transparency is replaced by the current BackGround (BG) colour. Check that Yellow is not set.
Change it to white and export again.
Yeah...see https://gitlab.gnome.org/GNOME/gimp/-/issues/6482
Change it to white and export again.
Yeah...see https://gitlab.gnome.org/GNOME/gimp/-/issues/6482