3.5.1 is complete, the next release will (I imagine) be 3.5.2. any bugs found will be fixed and added to 3.5.2 (such as BUGFIX 351-01: EXCERPTS - Show first X posts on HOME page as full posts - not working -
http://forum.bytesforall.com/showthread.php?t=7339)
there is an issue with the new fading java code (see 3.5.1 Fade in/out header images with Javascript issues -
http://forum.bytesforall.com/showthread.php?t=7324) and I don't know if/when that will be fixed - the old fading java code still works (see the thread for information)