Description

As of WordPress 6.4, it seems that one can continually create new empty paragraph blocks at the end of the post by clicking below the last paragraph.

Step-by-step reproduction instructions

1. Make a new post
2. Place cursor in the last empty paragraph block
3. Click below the block
4. A new paragraph block with no placeholder text appears
5. Repeat Steps 2-4 forever

Screenshots, screen recording, code snippet

This video demonstrates the step-by-step reproduction:

Environment info

• WordPress 6.4
• Multiple custom themes tested with same result
• Observed in Windows Firefox and MacOS Chrome

Please confirm that you have searched existing issues in the repo.

Yes

Please confirm that you have tested with all plugins deactivated except Gutenberg.

No