Due to https://git.drupalcode.org/project/facets_form/-/blob/1.x/src/Plugin/fac...
$facet->id() => [
...
'#access' => !empty($this->processedItems) && !$facet->getOnlyVisibleWhenFacetSourceIsVisible(),
...
If "Hide facet when facet source is not rendered" is checked, even on the page of a search API view from which the facets are done, then checkboxes are not displayed.
I will try to make a MR.
Needs work
1.0
Code
Not all content is available!
It's likely this issue predates Contrib.social: some issue and comment data are missing.
I have encountered the issue while testing 📌 Automated Drupal 11 compatibility fixes for facets_form Needs review . I confirm that the MR is fixing the issue... The removed code has been introduced in #3223764: Create facets_form_date_range sub-module → this commit... We could have a failing test by removing this change.