IGEL OS 11.09.210 IGEL OS Release Notes Notes for Release 11.05.133 Current: General Information 11.05.133 PDF Download PDF Download page General Information 11.05.133. Current page All pages General Information 11.05.133 To be beneficial to all new features and implementations, it is recommended to use UMS 6.07.100 or higher and update the corresponding profiles. Firmware downgrade to older versions (11.01 or 11.02) is not possible, due to the unsigned firmware update files. The following clients and features are not supported anymore:CaradigmCitrix Legacy SessionsCitrix Web InterfaceCitrix StoreFront LegacyCitrix HDX Flash RedirectionCitrix XenDesktop Appliance ModeFlash Player DownloadJAVA Web StartLeostream Java ConnectSystancia AppliDisVIA graphics driver ×