The team has reproduced this and opened bug for fix. Updates will be shared on this post. Sincere apologies for any inconvenience.
Adobe XDJoachim Aanes Rødal supported this idea ·Joachim Aanes Rødal commented
The zoom shortcuts command+ and command- has stopped working for me to after one of the latest updates to XD.
I'm on an iMac 27', Mac OS Sierra 10.12.6 and Adobe XD 18.104.22.168