Shame they are still refusing to fix the deliberately-introduced "can only save in XCF format" bug.
I wonder if it came from LibreGraphics collaborations as Inkscape did something very similar.
What's weird is that The GIMP used to win plaudits for allowing user-set defaults (particularly it's shortcut system). Why this change, "save only allows native format", wasn't introduced as an option I don't know.
Now it's 1. Load PNG 2. Edit PNG 3. Export as PNG (retyping the extension) 4. Quit 5. Say that yes, you do want to quit even though there are unsaved changes (because there are not). 6. Worry about whether there really WERE unsaved changes after all.
I fully understand why graphics professionals prefer the XCF-only approach; what I can't understand is why the GIMP people flatly refused to let the rest of us use the software the way that suits us.
(or File menu + "Overwrite {filename}". I complain a lot about GIMP's UI but I don't really see a problem here.