[AUXILIARY POWER UNIT] - apu_pct_rpm_per_second marked as deprecated but still works

[MSFS 2024] Bug Reports SDK: Tools/Samples/Documentation
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I’m wondering if someone could help. I am using an APU but I really want to control the speed it startup and the apu_pct_rpm_per_second parameter has worked flawlessly for me.
That being said, I get warnings constantly that this parameter is deprecated and that it doesn’t do anything (when I have tested and confirmed that isn’t the case).
Even the marketplace build validation flags it as erroneous.

If there an alternative to this parameter that I could replace it with? I really don’t want to have to wait nearly a minute for my APU to spool up.

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here’s a screenshot from the marketplace build validation tool. This warning that the param isn’t used anymore was definitely something I had seen in the sdk docs at one point but I don’t see any warning about it in the docs now and it definitely still works as intended. Maybe the warning is an old remnant of a decision to remove it that was reversed?
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