filter_pathologic plugin does not exist after update

After updating Pathologic from 2.0.0-alpha2 to 2.0.0-alpha3, my test site is WSOD.

Watchdog has a lot this...

348   14/Dec 11:57   php          Error      Drupal\Component\Plugin\Exception\PluginN
                                               otFoundException: The "filter_pathologic"
                                               plugin does not exist. Valid plugin IDs
                                               for Drupal\filter\FilterPluginManager
                                               are: editor_file_reference,
                                               filter_htmlcorrector, filter_autop,
                                               filter_align, filter_html_image_secure,
                                               filter_html, filter_null,
                                               filter_image_lazy_load, filter_caption,
                                               filter_html_escape, filter_url,
                                               media_embed, filter_no_nbsp, typogrify in
                                               Drupal\Core\Plugin\DefaultPluginManager->
                                               doGetDefinition() (line 53 of
                                               /srv/dev1/web/core/lib/Drupal/Component/P
                                               lugin/Discovery/DiscoveryTrait.php).

The Drupal version is 10.3.10