[General]: A request with a JSON content type and a body that is not a valid JSON object or array now returns HTTP 400 Bad Request with a message naming the problem. It was previously processed as if the body were empty.
[Delivery]:POST /delivery/jobs, PUT /delivery/jobs/{jobId} and POST /delivery/jobs/bulk-upload now accept and store items[].upc and items[].sku, which were previously ignored.
[Vehicle Commands]:GET /vehicles/start-inhibit/status now returns start_inhibit: null when the start-inhibit state cannot be read, where it returned false.
[General]: Various internal improvements and under-the-hood tweaks.