Originally Posted by MrWarper
After my father squashed a few PDFs trying to pass me his annotations, turns out we have a bug of sorts.
Steps to reproduce: Open a PDF importing annotations via xournal alternatives -> File -> Save. Your PDF is overwritten with a xournal file with the same name.
Oops that is indeed an 'annoying feature'.... I will check if I can quickly change this.
Thanks for reporting.