mAirList 4 Beta 2, the second beta version of the upcoming major release mAirList 4.0, is now available.

All important information about mAirList 4.0 can be found in the Wiki.

Complete changelog:

Version 4.0 Beta 2 Build 1129 (2011-07-04)

[*] Adjusted default cartwall waveform options
[-] Player buttons may not be updated when switching automation on and off
[+] New setting: GUI -> General -> Clock time format
[-] Cue Editor: Access Violation when selecting cue marker if no favorites
    are set up
[+] Waveform skin support
[+] Mix Editor (and containers and mixdown) can handle files from HTTP servers
[-] Config: Audio devices list is empty after a clean install
[-] Config: Error message when adding Shoutcast or Icecast log interface
[-] Config: Default directories not saved (#15)
[*] Cue Editor: Set playback position with a single click when not focused (#18)
[-] Playlist: End of link chain icon not displayed (#17)
[-] DB: Error message when deleting folder
[-] DB: Error message when deleting hour template
[-] Mixdown: Error message when closing dialog during processing (#23)
[-] Mixdown: File is not closed until you close mAirList (#22)
[-] Scripting: Several error messages when accessing internal objects
[-] Encoder: Levelmeter not working properly (#14)
[-] Playlist edit bar: Up/Down buttons not disabled when no item selected
[-] DB: End Type field contains random data when Item Type is set
[+] Mix Editor: Added Undo/Redo functionality, OK/Cancel buttons
[+] Scheduler: Support for weekday/hour restrictions
[+] Scheduler: Support for inverse attribute filters (prefixed by "!")
[*] DB: Schema updated to version 18
[+] Scheduler: Ability to specify per-template-item opener and closer
[+] Scheduler: New template item option: Create a container for opener, item
    and closer
[+] DB: Ability to specify default station in config (#27)
[-] Mixdown: "Mixdown successfully completed" message does not appear (#26)
[-] Mix Editor: Sometimes playback doesn't stop at EOF (related to #26)
[-] Config: Cartwall options not saved/restored correctly
[-] Player: Option "Use item color when idle" ignored
[-] Cart players: Reintroduced "Open Files" menu item (#24)
[*] Removed "Special Item" option
[+] Players: Ability to limit auto-load and automation to specific item types
[+] DB networked on MSSQL: error message when generating playlists
[*] Waveform image is automatically reloaded when file is newer than the time
    that the cache entry was last accessed (#28)