I was curious to the stock status history, so tracked it for while, to give some insight in what to expect. Here's a little history for the last couple of months.
Also @johannes explained to me that out of stock can also mean that he doesn't have time to process orders.
Fri Jul 10 2020: Out of stock
Sat Jul 18 2020: In stock
Mon Jul 20 2020: Out of stock
Tue Jul 21 2020: In stock
Fri Jul 24 2020: Out of stock
Sun Jul 26 2020: In stock
Tue Aug 4 2020: Out of stock
Fri Aug 7 2020: In stock
Thu Aug 13 2020: Out of stock
Mon Aug 17 2020: In stock
Thu Aug 27 2020: Only 2 left in stock
Fri Aug 28 2020: Out of stock
Tue Sep 8 2020: In stock
Tue Sep 15 2020: Only 1 left in stock
Wed Sep 16 2020: In stock
Sun Sep 27 2020: Only 1 left in stock
Mon Sep 28 2020: Out of stock
Tue Sep 29 2020: In stock
Mon Oct 5 2020: Only 1 left in stock
Tue Oct 6 2020: Out of stock
Sat Oct 10 2020: In stock
Thu Oct 15 2020: Only 2 left in stock
Fri Oct 16 2020: Out of stock
Sun Oct 18 2020: In stock
Tue Oct 20 2020: Only 2 left in stock
Wed Oct 21 2020: Out of stock
Mon Oct 26 2020: In stock
Tue Oct 27 2020: Only 2 left in stock
Wed Oct 28 2020: Out of stock
Mon Nov 2 2020: In stock
Tue Nov 3 2020: Only 2 left in stock
Wed Nov 4 2020: Out of stock
Sat Nov 7 2020: In stock
Sun Nov 8 2020: Only 2 left in stock
Mon Nov 9 2020: Out of stock
