WinDbg Preview's "!heap -p -a UserPtr" fails to display user mode stack trace from memory dump file

[Kevin Coulombe]

I'm using gflags +ust to collect a process' memory dump with user mode allocation stack traces.I pretty much follow this procedure : https://www.debugthings.com/2015/01/09/debugging-heap-leaks/Except the command !heap -p -a UserPtr doesn't work anymore...I'm using these extensions (but same happens with the latest exts.dll loaded from WinDbg Preview's install folder) :From exts, it says to try ext and from ext, it just returns with no output.It works when installing the previous Windows SDK version from the ar

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