The HTC 10 in the U.S. is currently being updated. We've received an alert on our unlocked unit, which is being bumped up to software version 1.53.617.5. It's noted in the update alert that this release includes improvements for the camera, Wi-Fi and overall system stability.
The update clocks in at 394.48MB and also includes the May security patch. Have you received the update too? Let us know in the comments and be sure to join in the discussion over on our forum!