Have you tried using the profiler in unity to see where the memory is allocated? You don't have much memory to work with on the focus so it can be tricky. In scripts you can also use debug log System.GC.GetTotalMemory() to get a rough idea of the amount of managed memory currently being used.
Out of memory crash on Focus Plus build in Unity
in VIVE Wave SDK
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Have you tried using the profiler in unity to see where the memory is allocated? You don't have much memory to work with on the focus so it can be tricky. In scripts you can also use debug log System.GC.GetTotalMemory() to get a rough idea of the amount of managed memory currently being used.