Images smaller than 120x120px are missing -- proof of concept inside


I’ve made a few test tweets with varying image sizes, and those below 120x120px are not shown.

119x119 image missing:
120x120 image shown:
150x150 image shown: contains a few more tries, starting at 50x50 (which, according to the docs at should never be shown, then 60x60, 90x90, 100x100, 119x119, all of which are not shown.

The validator, however, does show the images smaller than 120x120px: