Description

Deprecated: apply_block_hooks_to_content_from_post_object(): Implicitly marking parameter $post as nullable is deprecated, the explicit nullable type must be used instead in [...]\wp-content\plugins\gutenberg\lib\compat\wordpress-6.8\blocks.php on line 29

Step-by-step reproduction instructions

On the dashboard there's a warning

Environment info

WP v6.8RC4
Theme: Twenty Twenty-Five
PHP v8.4.4

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

• Yes

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

• Yes

Please confirm which theme type you used for testing.

• Block
• Classic
• Hybrid (e.g. classic with theme.json)
• Not sure