Seems like there is a problem exporting to PDF in the latest release on the arm version for macos.
Whenever i try to export there is a random gray square over the title on the first page.
Also a light gray circle in there🤔
EDIT: Cant upload PDF here it seems so see attached screenshots
Interesting.
I am also on MacOS App (Running MacOS 12.4, Supernotes 2.1.2) Running MacBook Pro M1
If I export with an icon I get a grey circle over it however if I just do a normal export I don’t see the same issue as yourself.
I am just using the Print/Export as PDF then saving via the PDF via the print dialogue
Screenshots below.
With Icon:
Without Icon:
Hi @kakka0930 thanks for the bug report, and thanks @bmccafferty for the further info and bug replication 
We’ve looked into this and it seems like this is caused by an artefact from the Active View menu which is open when you press the “Print / Save as PDF” button. Without opening this menu, please try exporting using the CMD + P hotkey, hopefully there will be no artefacts in the generated PDF. Let us know how you get on, and we will make sure to patch this in the next update.
