10.8.4 update - "certain enterprise WiFi nets"

The new update to 10.8 cites "compatibility improvements when connecting to certain enterprise Wi-Fi networks".  Does anyone know what "certain" actually means and/or pertains to?  Cisco?  Aruba?  802.1x authentication?  Etc.

Hello Mary,
Sorry to hear you are not able to connect to Wi-Fi on your MacBook Air.  I would be concerned about this too. 
I recommend following the steps in the section titled "Symptom: My Mac does not connect to the Internet" in the following article:
Troubleshooting Wi-Fi issues in OS X Lion and Mac OS X v10.6
http://support.apple.com/kb/HT4628
Thank you for posting in the Apple Support Communities.  
Best,
Sheila M.

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