I am hoping someone from MSFT reads this forum and can forward this to the appropriate team. These versions are not found on the public symbol server.
1: kd> vertarget
Windows 10 Kernel Version 17134 MP (4 procs) Free x64
Product: WinNt, suite: TerminalServer SingleUserTS Personal
Built by: 17134.1.amd64fre.rs4_release.180410-1804
Machine Name:
Kernel base = 0xfffff80076093000 PsLoadedModuleList = 0xfffff800
76440170
Debug session time: Sun Jun 23 20:58:36.570 2019 (UTC - 7:00)
System Uptime: 0 days 21:00:56.847
SYMSRV: BYINDEX: 0x278
https://msdl.microsoft.com/download/symbols
ntkrnlmp.exe
5CF9F460954000
2: kd> vertarget
Windows 10 Kernel Version 18362 MP (4 procs) Free x64
Product: WinNt, suite: TerminalServer SingleUserTS Personal
Built by: 18362.1.amd64fre.19h1_release.190318-1202
Machine Name:
Kernel base = 0xfffff80342800000 PsLoadedModuleList = 0xfffff803
42c43370
Debug session time: Mon Jun 24 00:52:59.254 2019 (UTC - 7:00)
System Uptime: 4 days 21:09:46.242
SYMSRV: BYINDEX: 0x188
https://msdl.microsoft.com/download/symbols
ntkrpamp.exe
EADCD02Bab2000