Double dotted notes (for notes having 1.75 X length)

A dotted note has 1.5 times the length of the original, it is quite normal to have a double dotted note, which has 1.75 times the length of the original note (for example a double dotted crothcet (1/4 with two ..) has the length of 7/16 th)
It seems like mousescore has lost the feature of double dotted notes in version 3.0 . The .. button to the right of the.
Suggestion Keyboard shortcut : (colon) for double dot.