Crash by ticking successively "Timeline" in context menu and in View

Current 3.0.dev. 805214c/ Windows10

1) "Untitled" score
2) Right-click in the toolbar on an empty space
3) Tick "Timeline"

First result: you observe that the panel is set up, but it is empty, greyed out.

4) View -> Tick "Timeline"

Result: crash

- Note : problem discovered because since the nightly mentioned above (so, 805214c), the Startup Wizard offers to choose your Keyboard layout.

And so, I noticed that the F12 shortcut does not longer work (although it is defined as such in the Preferences) if you choose the keyboard layout: AZERTY or French French.

I checked several others (BEPO, Belgian, Brazilian, Canadian, Italian, Spanish, US International and US Qwerty). All of them allow the F12 shortcut. But not the AZERTY keyboard (or French).

Any reasons?