A new version of Google Web Designer is now available. Version 5 of Google Web Designer enables advertisers to push creatives & creative updates directly into Display & Video 360.
AMP creatives are also now available for creation. Advertisers and designers can build lightweight, mobile-optimized AMPHTML ads for DV360.
Besides, Google says that in the new version of Google Web Designer there is an improved preview experience for dynamic and responsive creatives, a new sample data library and improvements to dynamic bindings workflow, and ruler guides