I checked the downloads section today, and saw that there was a new alpha firmware release, version 17135.
So naturally, I downloaded and updated my router using the web interface, as per the instructions.
Much to my dismay, none of my wireless devices were able to connect to my wireless network after the upgrade.
My devices include a pc running Windows XP, a laptop running Fedora 15, a Brother wireless printer, and my Nook (1st gen).
I noticed that prior to the upgrade, the Security LED (the padlock one) was never lit, even though my network was secured using WPA2-AES.
Afterward, it was lit, and nothing was able to connect.
I double checked all my settings, just to make sure nothing had changed.
I ended up restoring the original firmware (14998) which immediately fixed the problem, without changing any settings.
I did not try disabling WPA2, so it's possible that it's an error involving how it handles wireless security, and not the wireless itself.
Has anyone else had this problem? Hopefully this will be fixed by the time the final release comes out. :)