It seems like Google is doing a major update to its products for after allowing recipients who are not signed in or do not have Google account to view Slides, Docs, and Drawings, today Google released two new updates to Google Slide.
1- Widescreen Format
Google now allows a widescreen view of presentations. Now when you try to make a new presentation you will have a widescreen where you can get a ton of new space to fill with words, charts, tables or even a simple, beautiful image. You can also change the size of your slides using the pull down menu in the theme chooser, or by visiting Page setup in the File menu. Widescreen presentation are a good fit for TV or monitor.
2- Editable Master Slide
This functionality allows users to change customize the theme of their presentations as they like. can now easily tailor how content appears on every slide by selecting "Edit master" from the Slide menu. For example, you can set all of your header fonts to Alconica, make all of your first level bullets bold, and add a logo in the bottom right corner.
Click on the image below to see " Editable Master Slide" in action.