Unfortunately, custom templates can't be migrated automatically from GoodNotes 4 to GoodNotes 5.
If you still have them as PDF versions on your computer or in a cloud storage, please follow the instructions below to import them to GoodNotes 5:
If they are only available in GoodNotes 4, you can follow the steps below:
- In GoodNotes 4, create a new notebook with the template that you want to migrate over to GoodNotes 5
- Export only the page with the template as PDF to your computer or a cloud storage of your choice
- Follow the steps in the linked article to import the PDF template to GoodNotes 5: How to add/remove custom templates to/from the template library