Linus Torvalds has released 5.12-rc1
(codename now “Frozen wasteland”) and
closed the merge window despite getting a late start due to bad weather:

So I was actually without electricity for six days of the merge
window, and was seriously considering just extending the merge
window to get everything done.

As you can tell, I didn’t do that. To a large part because people
were actually very good about sending in their pull requests, so by
the time I finally got power back, everything was nicely lined up
and I got things merged up ok.

But partly this is also because 5.12 is a smaller release than some
previous ones.

Source: LWN.net – Kernel prepatch 5.12-rc1