Disable Fit Text

Disables the fit text (stretchy text) feature for paragraph and heading blocks introduced in WordPress 6.9.

link Extension name

t2/disable-fit-text

link Description

Disables the fit text (stretchy text) feature introduced in WordPress 6.9 for core/paragraph and core/heading blocks. This feature allows text to automatically scale to fill its container, which can be undesirable in some editorial contexts.

The extension:

• Removes the Fit text toggle from the Typography panel in the editor
• Strips the Interactivity API directives (data-wp-interactive, data-wp-init, data-wp-context, data-wp-style--font-size) from already-saved blocks at render time, preventing the frontend script from activating
• Unregisters the Stretchy Paragraph and Stretchy Heading block variations (present in WordPress 6.9, removed in 7.0 — safe no-op on 7.0+)
• Self-heals previously saved blocks by resetting the fitText attribute to false when they are next edited

link Usage

{
    "mu-extensions": ["t2/disable-fit-text"]
}