Please Stop Requiring Event Images to Have a 3:4 Aspect Ratio

I post multiple events per week. We have for years used 2:1 images in various ways, for some of which cannot use any other aspect ratio, to promote our events. It isn't feasible for us to make a separate set of images to use on Primfeed. It would be a great help if we could use the images we have without alteration. It is possible to post them by putting them on a 3:4 transparent background, but then they appear undesirably small.