Is there an estimated date on when Windows 10 1803 (SAC) will be supported on Horizon 7.3.2 and 7.5?
1803 is supported on 7.5 and 7.5.1. I would not expect any prior releases to gain support.
Supported versions of Windows 10 on Horizon Agent Including All VDI Clones (Full Clones, Instant Clo...
Windows 10 Guest OS support FAQ for Horizon 7.x and 6.x (51663)