Learn how to properly rescale your canvas in unity by taking advantage of the anchors in each object's rectTransform, as well as by utilizing layout groups!
Asset pack: https://kenney.nl/assets/ui-pack
Timestamps:
0:00 Intro
0:20 Resolution vs Aspect Ratio
1:37 Anchors
3:04 Margins
5:04 Layout Groups
6:39 Image Slicing
7:50 Subscribe :)