Which clients still have filters? I use ReadKit but the upgraded version to modern Mac frameworks isn’t yet as good as version 2 (which is no longer signed, un

Which clients still have filters? I use ReadKit but the upgraded version to modern Mac frameworks isn’t yet as good as version 2 (which is no longer signed, unfortunately). I don’t blame the author in the slightest for the upgrade — really, a rewrite it seems — which has some enhancements over v2, but it takes a while for something like that to reach parity with the previous version.