Yes, all WPA2 encrypted WLANs got affected by a "fix" we made around a Security Bulletin at Christmas.
All platforms will be updated soon with the "revert performance but closed security hole" maintenance releases.
I haven't seen the release notes yet, so this is not "official" until later today, but here is a link to the first image,
an MD5 checksum'd 200.8.10.3.278 (GA Refresh) R710, the AP first reported on this thread:
https://support.ruckuswireless.com/software/2504-ruckus-unleashed-ap-200-8-10-3-278-ga-refresh-softw...Get it now, as I have to "hide/unpublish" until I have all images uploaded and approved RNs, thanks.