How to extend the URLPopover render settings for the paragraph Gutenberg block?

It cannot be done, no API currently exists to add what you want to add. If we look at the component that implements this: https://github.com/WordPress/gutenberg/blob/5b01c97c6943890abb44b2154392ffcccef87b3e/packages/format-library/src/link/inline.js#L197 The InlineLinkUI wraps a component that wraps the URLPopover component, and places a child component inside it which is how the new window checkbox is added. No slots are present … Read more

Some posts not displaying by taxonomy term

The problem is with your tax_query — the field (database column name) does not match the terms (database column values): $args = array( … ‘tax_query’ => array( array( ‘taxonomy’ => ‘state’, ‘field’ => ‘name’, // <- this should be set to ‘slug’ ‘terms’ => $state_slug, // because you provided term slug ), ), ); I.e. … Read more