In this CeroWrt-devel message, Dave Täht announced that build 3.3-rc7-5 is available. This build contains the following features/capabilities:
Read the CeroWrt_33_Release_Notes|CeroWrt 3.3 Release
Notes
Download CeroWrt 3.3 builds: http://huchra.bufferbloat.net/~cero1/3.3/