If you put a direct link to a gif or video as the "link" of your post, I think it embeds automatically. But Lemmy right now does not support uploading videos directly.
Pictrs removes Exif data, yes. Most likely it removed the rotation data as well.
If you put a direct link to a gif or video as the "link" of your post, I think it embeds automatically. But Lemmy right now does not support uploading videos directly.