I don't get it, can you please explain?
Previously, like what ivytheplant showed, they had triangles seperate from the text. Now, they are combined, giving it a more polished and professional look.
An example of the classic speech bubble (ie, in comics) is below
---
Crash. Bang. Krrrsh. Uhhhhn. Crash. Bang. Krrrsh. Click. Blam. Onomatopoeia.