Improvements

Annotation Editor: Fixing crash that sometimes happend when deleting shapes from the canvas
Custom Filenames: Adding %filename-ascii% to convert filename to ASCII charset prior uploading
Encrypted Uploads: Adding option to copy URL without decryption key included
Preferences: Fixing an issue where panels in the preferences window would stay in dark/light mode even when toggled
Upload History: Fixing a crash that occurred when opening the upload history

If you have a minute, I'd be very grateful for a review on ProductHunt. Thank you very much!