Although Gutentor works professionally with all WordPress themes, If you are a WordPress theme developer, you may want to consider the following points
- Full-width Templates
If you want to provide your user full-width template experience, make sure your theme has the possibility to display page and post content in full width. Full templates are basically useful to create various landing pages.
By Default Gutentor itself has a Full-Width Template. - Gutenberg compatible WordPress Themes :
There are various other blocks on Gutenberg. Make sure your theme is fully compatible with them.
Note: Gutentor works only in WordPress Version above 5.0.0.