How can I save an empty set of filters: one in which there are no filters (all edits visible) and make it my default?
Topic on Talk:Edit Review Improvements/New filters for edit review
Saving empty filter
Interesting case. It is not possible at the moment to clear all filters and save them. A solution is to select both
Registered edits: this combination will show you all edits as well, and can be saved (and set as default).
You should be able to save an empty filter set soon. It was fixed in this ticket. and will appear on Wikipedias by the end of the week. Thanks for your input!