My current plans for ROX-CLib are:

• 2.1.8. This was done in March 2006. The major new feature: internationalization support. The messages in ROX-CLib are now translatable, there is a .po file, the .mo files are generated and stored inside the AppDir, and are used when found. Apps get their .mo files loaded if found.
• 2.1.9 was released November 2006. This includes:
  • More support for menus, simplifying the code that needs to be in the app.
  • Extended attribute support.
  • Support for building against GTK 2.4 using Zero Install.
  • 0compile support
• 2.1.10 sometime in the future, including:
  • Improved system tray interface
  • xxmlrpc for communicating with ROX-Session
  • libglade interface similar to that in ROX-Lib.
• 2.2.0, hopefully this will be 2.1.10 deemed stable.