Citrix can't keep it's cloud up or get out a secure and stable product release.
First they announce 10.1 then they pull it. This is just like what happened with NetScaler a few months back. Their products are full of vulnerabilities. They don't test anything.
EU Citrix Cloud users experiencing non-virtual problems starting up their virtual desktops
https://www.theregister.co.uk/2018/10/25/citrix_eu_cloud_issues/