Other variant of trash limitation - by size in Mb
If size of trash with 'fresh' episode exceeds the size limit - the oldest episodes are to be deleted. but trash will keep all episodes until 'fresh' episodes are added to trash or manual delete
Trash content is kept based on your trash setting which is a duration.
Episodes are kept in the trash for for one of the following:
1h, 2h, 6h, 12h, 1 day, 2 days or a week