Most of the time, I have no need for Pixelmator format files. I open JPG and PNG files, make some adjustments, and save.
Fortunately, you provided a preference to open these files natively without converting. However every time I save a file I need to click "Overwrite." This is a real pain.
I would like to see an option to just save when finished, flattening in the process. Perhaps a similar preference setting, or a "save flattened" key command?
I know there's export and "save for web", but I don't want a whole process, I just way to save my edits back to the original file format.
What features would you like to see in Pixelmator Pro?
Curious if there has been an option added to supress the 'overwrite' warning as described in the OP? Like the OP this is just a nag for my workflow.