The key change is the ability to connect to the Mail cloud in the "Collaboration" settings section. According to the developers, this makes using "R7 Office" editors more convenient for a wide range of users, including corporate clients.
An object insertion function has been added, allowing you to attach other files to the document. This makes it easier to form a working context for solving complex tasks within one document.
Presentation now supports "Transformation" for transitions between slides, including effects such as moving, scaling, changing color/shape, and others. Backward compatibility in Office Open XML format is ensured. In addition, a blur effect is now available for the shadow of a shape in the editor, which improves the appearance of presentations.