Most notably the Calculator app. An app which started in less than a second on Ubuntu 16.04 and which now starts in about 4 seconds on Ubuntu 18.04. All so the developer can include copies of the system library dependencies that already exist in the main filesystem. An app that is notable for providing the user with the most powerful capability of performing arithmetic operations on a modern computer.

Snaps have done what countless desktop environments could never do. Make it faster to do math using Google than by using a local calculator application.