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Just installed 2018a. Tried one of my streaming audio scripts that runs fine on 2017b. Got the following message:
Undefined function or variable 'HelperUnpackUDP'.
The offending statement was:
[paramNew, simControlFlags] = HelperUnpackUDP();

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Warren Koontz
Warren Koontz 2018-4-10

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OK, so I will answer myself. Yes, it appears to be gone in 2018b. Seems to have been replaced by HelperUnpackUIData, which returns a single structure containing UI values, a "values changed" flag, and the status of the pause, stop, and reset buttons. I prefer this new "helper", but I wish I had some warning that this change was coming, like I did when wavread got replaced by audioread. The change broke a bunch of my scripts.

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Warren Koontz
Warren Koontz 2018-4-10
Just confirmed that it really is gone. 2017b has both helpers, 2018a has only the one. And now I know where to look for them!

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