The vendor has published 1 unique mention(s) for this bug: 1. With this fix, the toast notifications might appear correctly in seamless sessions. You must enable shellbridge for the fix to work. However, the fix is implemented with the following visual limitations: A black background. surrounds the toast notification. The toast notification covers some of the local taskbar areas. Latest urls for this bug: 1. https://docs.citrix.com/us/en/citrix-virtual-apps-desktops/2203-ltsr/whats-new/cumulative-update-4/fixed-issues.html