How did yazi fix preview images problem between tmux sessions?

[liketoeatcheese]

I'm just curious. I can see that Yazi clears up the image preview after switching sessions, and I wonder how that is achieved cause this problem has been itching my brain for quite a while now.

I have tried using standalone ueberzugpp:

ueberzugpp layer
{"action":"add","identifier":"yazi","x":96,"y":1,"max_width":400,"max_height":150,"path":"/home/wpham/wisdom/FrontEnd/CSS/Resources/fillmode_forward.png"}

It does show the image. When I switched to tmux windows, the image cleared up, but when I switched to tmux session, it didn't clear up. This then affects some of the nvim plugins that utilize it to show inline images in Markdown. And since this also happens for Kitty's backend, I assume it's Tmux's issue, not related to the plugin itself, as I can see and test in their source code that the Image objects that were rendered were being cleaned up in the code.

If there's any insight that you can share, it would be of great help :)