Thank you for your feedback. Our: `1.15.2` release (https://s3drive.app/changelog) already fixes issues with UTF8 characters (including Kanji), it shall be available within next day or two, sorry for this inconvenience. UPDATE: Release `1.15.2` is live, can you give it a go and let us know if this resolved your issue? Thanks!
新機能
Fix Proton Drive 422 upload error, Add support for new back-ends (Filen, Drime, Shade, Internxt), Update Rclone v1.73.0