Feature Request: Custom validation/pre-processing for invalid nodes before schema enforcement

[AndreewMelnik]

Description

Hi Tiptap team!

I have a question regarding this feature:
#5178

I'm trying to implement a use case where i want to allow any node to be inserted (even technically "invalid" for schema)
But need to detect and highlight these nodes rather than having Tiptap auto-remove/reformat them

Current problems:

• allowed: ['*'] completely bypasses validation (no way to track "discouraged" nodes)
• onContentError only triggers on init and doesn't prevent schema enforcement
• Manual checks bypass onContentError feel hacky and performance-heavy

Question:

Is there any official way to:

• Intercept node insertion before schema validation
• Apply custom rules ("allowed but warned" nodes)
• Optionally prevent default schema correction?

If not, would you consider adding such functionality?

Use Case

I want to use this feature for optionally prevent default schema correction by Tiptap.

Type

Other