Operating system: Windows-10 64 Bits
Graphics card: GeForce GTX 1070 NVIDIA 442.19
Broken: version: 2.83 (sub 6), branch: master, commit date: 2020-03-06 22:46, hash: rBdcdcc2348842
Worked: Never (2.79+)
Short description of error
Using view navigation (Shift+") in camera view (Numpad 0) causes to lose the previous viewport view (Numpad 0 again) and it focuses world origin.
Exact steps for others to reproduce the error
1- Launch default Blender.
2- Change your view to anywhere (For example zoom in to a vertex of the cube).
3- Go in camera view (Numpad 0), use view navigation (Shift+") and right click to cancel it (you can change view with left click as well, it doesn't matter).
4- Go in viewport view (hit Numpad 0 again), notice that your previous view changed (it now focuses world origin)
Below gif demonstrates the issue:
View navigation that I used: