Breach Wombgifts far too rare - even worse a bug with chance to find wombgifts grafts

It's been 2 hours since my last wombgift drop, almost 24 hours since an Ancient wombgift drop and an entire day since my last hive fortress.

Also, when I wear a graft with increased chance to find a particular wombgift it seems like my odds of finding the one I'm chasing actually decrease. This has been reported on Reddit as well.