I have reviewed Creating a non-removable taxonomy term but it has not answered my question.

One of the built-in Taxonomy terms is the "post formats". This cannot be edited. What I would like to do is register a taxonomy for which my plugin will provide the terms that, likewise, cannot be edited. How do I do this? Is it possible to hook whatever in core keeps the format taxonomy locked down?


When doing register_taxonomy, set the public parameter of the args argument to false.

Most basic example:

register_taxonomy( 'my_tax, 'post', [ 'public' => false ] );

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