Currently known bugs and performance issues:

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There is a known memory leak of objects created with QSObjectFactory.

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The current implementation still contains several debug checks and
algorithms that haven't undergone performance optimizations. We'll put
more focus on speed improvements for the final release.

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Some ECMAScript 4 features like typed declarations and function
signatures are currently not supported. The API for binding Qt classes
hasn't been finalized.

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The QSInterpreter does clear and reinit on several occations
(e.g. when changing project data). This causes the state of the script
code to be reinitialized. This will be fixed for the final version.

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Static variables in base classes cannot be accessed through the class
of a derived class. Only through an instance of a derived class:

DerivedClass.baseClassVar = 10;       // Does not work
new DerivedClass().baseClassVar = 10; // Will work.

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