Improvement requests

The redo arrow of the note is only displayed on one side when using split view.

I would like the check icon for document selection to be fixed at the top of the screen like in goodnotes5.

I would like it to be fixed on the top of the screen like in goodnote5. This may be a bug.

When I select a note by enclosing it and copying it, it takes a long time to load and does not finish copying. Finally, an error message appears. I hope it will be improved.