Yes indeed … see Issues with loading photo's
I have mentioned to Folksy that it has ‘killed’ all my old, pre-change tweets as all photos including the old ones have been converted from .jpg to .avif so mine and everyone’s old tweets are now photoless… if they are not fixed soon then I will have to go through all my many many old tweets and delete them as it looks so unprofessional to have them like that and I only use Twitter for my business.
If you scroll down your Twitter feed you will find you have some old tweets which are now sans photo just like mine :
