I can confirm this with a Macbook5,1 - it worked fine in previous releases but now fails to find my Apple Airport WIFI thingy. Turned out the damn thing was on channel 13. Changing to channel 6 and it connects first time! Infuriating. Please make a release note or something ...
03:00.0 Network controller: Broadcom Corporation BCM4322 802.11a/b/g/n Wireless LAN Controller (rev 01) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/462466 Title: Broadcom BCM4322 STA & brcm80211 can't see wifi channels >11 (2.462GHz) -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs