From what I gather it is confusing to me.
I understand that the situation involves unexpected changes in the group chat photo, incorrect notifications about the user changing the photo when they didn't, and the photo reverting to the previous one before eventually correcting itself. The frequent changes to the group chat name and picture add to the complexity.
Here is an explanation of whatever I understood. Altering the name and profile picture within an iPhone Group Chat, only to subsequently revert to the original details, essentially constitutes a two-independent action. The process of returning to the previous name or photo implies a modification, as iPhones lack a built-in mechanism to chronicle the alteration history. Consequently, the device does not retain a comprehensive record to distinguish between an initial modification and a subsequent restoration to the original state. In essence, the iPhone treats both adjustments as a cohesive and indistinguishable action, devoid of a discernible historical trail for tracking the nuances between a change and the reversal of said change within the Group Chat settings.