right click and save from bitmap gallery

with some files clearly listed as PNG in the gallery, xara defaults to JPEG for save [out]:

Click image for larger version. 

Name:	2021-11-16 00_03_17-Settings.jpg 
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it's not all PNG just some

save from gallery is supposed to be quick and easy, it's a while now since i did this work in xara but I really am now beginning to regret coming back for this project; I don't remember it being this way , changing to PNG in the dialog time after time is a complete waste of time

why is it doing this ?

designer pro 18.5