For those on the Slow ring of the Office Insider Program for Office for Mac, Microsoft has released a slow ring Build 190830(Version 16.29) and is now available for download on your Mac.

Office Insider builds are updated on a regular basis to provide new or improved features, security updates and bug fixes.

Changelog:

Word

Support basic co-authoring in Word documents that contain macros 

Tired of being locked out of your documents that contain macros? We heard you! You can now simultaneously view and edit .docm files that are stored on OneDrive.

Edit a PDF

You asked for it! You can now open a PDF, convert it to a Word document, and start editing.