You will find the release notes for IGEL Linux version 5.13.100 as a text file next to the installation programs on our download server and in our knowledge base.
XDMCP sessions are now assigned to the appliance mode; see XDMCP.
For Horizon Client the seamless window mode is available; see Connection Settings.
For Fabulatech redirection in Citrix sessions or RDP sessions, it is possible to configure if and how a device is removed from the local system; see Fabulatech USB Redirection (Citrix) or Fabulatech USB Redirection (RDP).