Engine and Engine Dispatch 2019.1.20.511 Kyle Patmor June 30, 2020 22:26 Released 2020-06-30 Improvements Add 'User-Agent' to Access-Control-Allow-Headers for xAPI CORS requests to fix issues in Firefox with cross-domain xAPI content Was this article helpful? Yes No 0 out of 0 found this helpful Have more questions? Submit a request