This is a good idea, and it doesn't do it yet. I'll look into adding this in Q2A 1.5.1, although of course that won't help the people you're currently concerned about.
In the meantime, you can always do a check on QA_VERSION before trying to cal any of the 1.5 functions.
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April 20, 2021: Q2A 1.8.6 released!