Steps to reproduce
Press ⇧⌘. on a collapsed node inside Desktop App on Mac OS Mojave.
Node expands with all children.
MacOS Mojave, Desktop App, Chrome, Dynalist 1.1.16, using German Keyboard Layout in Dynalist settings (although it also does not work with English Keyboard Layout)
Trying to reset the short cut pressing ⇧⌘. results in the shortcut ⇧⌘;