acc(mouse) returning no value in Windows Build 16215

[_pi]

In Windows 10 Insider Preview Build 16215 in windows explorer acc(mouse) is returning no value when clicking on a file.
Usuually when i get no value i send key AU for navigating up in folder hierchay (click in empty space)

Function left_explorer

Code:

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Acc m=acc(mouse)

str name=m.Value
out name

[Gintaras]

Now I cannot test exactly on this Windows version, but in such cases it always depends on the target program, and QM cannot fix it.
Also depends on context. With some windows, accessible object functions don't work in a mouse trigger filter function or in a mouse hook function.