Custom Metadata Providers remove / "de-select" some posters from TV seasons

[tom80H]

This bug has already been acknowledged and Plex announced it’ll be fixed in an upcoming release.

[Announcement] Custom Metadata Providers

There is currently a bug in PMS which results in season and episode images getting removed for items matched with custom agents when a Clean Bundles is run. A refresh will fix it temporarily until clean bundles is run again. A fix will come in the next PMS release.