Recent Apps not displayed in app switchers

Is anyone else using app switchers like SwipePad Switchr or Loopr? They install and work fine, but when you use them, the list of recent apps is always empty - Loopr says ‘No recent apps’…
Using the recent apps button (right of home button displays all recent apps just fine though…).
Privacy Impact is enabled.

Please try re-enable the Privacy Impact.

They already did that.

That’s why I say: re-enable

I disabled and re-enabled it. Problem persists.

Edit: To clarify, all the mentioned app switcher apps work for fixed apps in their drawers but none of them work for recent apps. This is the same for Privacy Impact enabled and disabled.