Here’s what you might find great about your new WordPress Update:
1. Embed video with just the url
Paste in a YouTube URL on a new line, and watch it magically become an embedded video. Now try it with a tweet. Check out all of the embeds that WordPress supports.
2. Formatting (bold, italics, etc.) is always visible as you write.
Writing and editing is smoother and more immersive with an editor that expands to fit your content as you write, and keeps the formatting tools available at all times.
3. Browse photos in your Media Library by grid
And, finally, here is the official video explaining what’s new in WordPress 4.0. Enjoy!