You can see the bug in this video when the draft is saved.

https://youtu.be/vvllwawBljs

When we want save and draft a title include both english keyword next to non english keyword in gutenberg plugin, automatically the permalink register only english part and it will delete non english part of the title

Regards Shahram Rahbari