A new 1.09 beta just came out (and will be automatically installed for you by the ZLauncher). Here are a few of the changes you'll find in this release:
 Implemented random sound variations for Heretic/Hexen.
 Implemented/extended several linespecials for online use.
 Fixed a bug that prevented game saves.
 The update dialog in ZLauncher can now produce a list of affected files.
 Fixed a recently introduced bug that would not let rockets pass through the window in d5m1.
 Several projectile fixes.
Here is the complete change log.Download 1.09 Beta 23 here.