Theres a few new bits of internal tech (i.e. new audio libraries) and various bits of menu tinkering in the current 49.8.7b zip thats on the closed-beta downloads. Coz of these changes id really appreciate getting it tried out on a few worlds and PC setups before confirming its ok to release publicly.
So if anyone can give it a whirl, and let me know if they experience any major new problems not already reported in the bug reports forum, itd be much appreciated. In particular, id like to make sure that the build menus all work ok on all of the different world setups.
If you're not in the closed beta testers group, and are one of those people who likes the game and would like to help test future versions, please sign up to the closed beta group using the "Usergroups" link at the top of the forum page.