[{"slug":"ZV-2026-0071","server_name":"viatsy.com","severity":"breaking","title":"viatsy.com: Field flightExcluded was removed from start_checkout input; consumers still sending it may be rejected or silently ignored.","summary":"[breaking] Field flightExcluded was removed from start_checkout input; consumers still sending it may be rejected or silently ignored.","changes":[{"kind":"input_property_removed","path":"inputSchema.properties.flightExcluded","tool":"start_checkout","before":{"type":"boolean","description":"Book the trip WITHOUT the package flight (the customer arranges their own). Only send this after the tool refused a flight-carrying booking: this channel cannot price a live fare, so those trips must be booked on the storefront checkout instead."},"detail":"Field `flightExcluded` was removed from `start_checkout` input; consumers still sending it may be rejected or silently ignored.","severity":"breaking"}],"published_at":"2026-08-16T22:55:54.177Z"}]