I am not sure how to interpret the article. Does it mean there will be a way to upload an 8-Bit PNG image as a header image and Twitter will store and display i

I am not sure how to interpret the article. Does it mean there will be a way to upload an 8-Bit PNG image as a header image and Twitter will store and display it unmodified? That would be a great step forward. Currently, the compressed header images look really bad.