Wavelet is a headphone equalisation app. I've noticed that it struggles to function properly on GrapheneOS. Does grapheneos restrict or lack anything required by Wavelet?

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Well, it consistently gives the "Wavelet was unable to instantiate PresetReverb Effects" error message. I'm no stranger to this issue since I used to use a Samsung phone, where that was a typical issue, but it has been even more common on GrapheneOS for me.
I use newpipe and an mp3 player called Oto Music.

    7 months later

    I just got it working fine. Pixel 5, latest stable Graphene. I got Wavelet through Aurora Store. One thing I had to do to get it working was enable the "Legacy Mode". I'm mainly using it for AutoEQ, so I can't speak to the reverb issue.