Version 4.0 (R12) Stateflow and Stateflow Coder Software

This table summarizes what's new in V4.0 (R12):

New Features and Changes	Version Compatibility Considerations	Fixed Bugs and Known Problems
Yes Details below	Yes—Details labeled as Compatibility Considerations, below. See also Summary.	No

New features and changes introduced in this version are described here:

Improved Code Generation

Code generation from Stateflow Coder software has been significantly improved:

• The code looks hand written.

• ROM and RAM size rivals hand-written code.

• Code generation is faster.

Automatic Upgrade to Release 12 of MATLAB Product Family

This release automatically upgrades all features introduced in previous versions of Stateflow software to work with Release 12 of the MATLAB product family.

Compatibility Considerations

If you open a machine (model) made with a previous version of Stateflow software, you will see a warning message similar to the following:

Warning: An old Stateflow machine 'sf_car' is loaded.
This machine was saved with an older Stateflow 3.0311061000001.
Please save this machine again!

By saving the machine in the most recent version of Stateflow software, it is automatically upgraded.

Version 4.1 (R12.1) Stateflow and Stateflow Coder Software

Version 3.0 (R11) Stateflow and Stateflow Coder Software

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