I can confirm this with a MBP6,1 - it worked fine in previous releases but now fails to find a my Belkin APs on channel 13, but adjusting them to channel 6 works perfectly.
03:00.0 Network controller: Broadcom Corporation BCM43224 802.11a/b/g/n (rev 01)
I can confirm this with a MBP6,1 - it worked fine in previous releases but now fails to find a my Belkin APs on channel 13, but adjusting them to channel 6 works perfectly.
03:00.0 Network controller: Broadcom Corporation BCM43224 802.11a/b/g/n (rev 01)