AIR 13 introduces a redesigned compiled packaging mode. It aims to considerably reduce packaging time, for the same performance experience at runtime. The beta version of the redesigned compiler is currently available to all developers.
Following are the known issues:
While debugging, any changes to the variable's value is not reflected in subsequent executions.
The trace statement prints the old value.
The new AIR Compiler is not supported on Windows XP. Using the new compiler on Windows XP throws the error, compile-abc.exe is not a valid win32 application.