List of dimensions for uploaded images-
Square images, Sponsor logos, and Booth logos: 1080 x 1080
Landscape images, Event hero, and Booth images: 1920 x 1080
Event Registration Image/Cover Photo: 2500 x 1000
Note: This image has a fixed aspect ratio of 5:2.
Portrait images/Session images: 1080 x 1920
Small square logo: 100 x 100