showprogressdialog still not working on MacOS


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    The <unzip> action is not intended to support large files (because of its performance). The difference in performance is due to our internal library not being a compiled C extension but interpreted. To workaround the issue, I would recommend to either pack the uncompressed zip instead or to bundle the unzip tool and call it at runtime. With OSX you can also use unzip in the following way:


    This will unzip faster than using InstallBuilder's <unzip>

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