• Separation of common code and resources into shared Abracode.framework
• New Cocoa OMCEdit with new interface and features written by Knut Lorenzen
• AbracodeQC.plugin: a Quartz Composer plugin for executing OMC commands (OS 10.5-only)
• Support for custom nib-based Cocoa dialogs (Xcode & Interface Builder 3.x required)
• Part of the interface rewritten in Cocoa
• Command droplets are now Cocoa.
• Separate downloadable icon packs for building droplets
• Online command collection contains about 600 commands.

* Reimplemented popen with OMC's own version: omc_popen()
* Added POPEN_SHELL for customizing the shell (and flags) executed by popen
* Added environment variable export for popen-based execution modes: OBJ_PATH becomes "$OMC_OBJ_PATH" and so on
* STANDARD_INPUT_PIPE - allows piping of context information to a tool excuted in COMMAND
* Added new activation option: checking file name, path or selected text for a match
* Mac OS 10.5 compatibility: Terminal.app lost its creator code ('trmx') so it must be identified by its bundle id (com.apple.Terminal) when sending AppleEvents
* Mac OS 10.5 compatibility: recompiled to support loading in Garbage Collection-enabled applications
* Fixed versioning code in OMC to support Mac OS 10.4.10 and higher
* Fixed a problem that error returned from script should stop all post execution actions
* Fixed menu separator problem in dialog popup menus (was showing as "-" instead of real separator)
* Worked around a bug in Core Foundation related to bundles
* Fixed a crash when executing empty command with popen
* Online command collection contains over 560 commands.