Wire-compatible with X.Y.x — existing pairings and clients keep working. <one sentence on how
older/newer clients negotiate or fall back, so nobody fears updating.>

<Optional: one or two sentences naming the headline change of this release — this whole lead-in
(everything above the first `##`) is what the Discord #releases embed shows, so make it read as a
standalone summary.>

## Highlights

- **<Lead-in>.** <What changed and why it matters, concretely.>
- **<Lead-in>.** <…>

## Fixes

- **<Lead-in>.** <…>

## Platform notes

- **<Platform>.** <Anything platform-specific: env vars, ABI/protocol versions, hardware that was
  verified on-glass.>