Can't use my UR44C after upgrading to macOS 26 (Tahoe)

Steinberg Hardware UR-C Series
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Just updated my Mac to macOS 26 (Tahoe), and now my UR44C is completely dead.
The dspMixFx software can’t detect it at all, and even in the system sound settings the interface doesn’t show up — it’s like it’s turned into a brick.

Is anyone else experiencing this? Any workaround or upcoming driver update from Steinberg?

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