# AJAX Toolkit Framework (ATF) Limitations

- Application Development
  - The ATF does not support a WYSIWYG development environment for any of the implemented AJAX personalities.
- Debugger
  - Multiple simultaneous Mozilla debugger sessions are not supported. An error dialog will appear if more than one debug session is launched.
- Intermittent crashes on Linux
  - We've had reports of intermittent problems bringing up Mozilla for the first time when installing under Linux. If this happens, try running it again -- the problem appears to resolve itself on the second try. We are investigating the problem.
- ATF 0.2.3M3 Project changed
  - Due to changes in ATF 0.2.3M3, a project created with an older version of ATF will not have full functionality. You will need to create a new project under ATF 0.2.3M3, install the appropriate toolkit(s), and then migrate your code to the new project.

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