Can't Inline edit Datetime fields

Hello everyone

I can’t Inline edit DateTime field on detailview

When I click save I can see the error in the console
Uncaught TypeError: Cannot read property ‘length’ of undefined

Can anyone reproduce the same error?

What version are you using?

Also. Please try on this demo
(user: admin PW: pass)

and if it fails please report it on GitHub so the developers add it to their list