PNG has been updated for the first time in 22 years — new spec supports HDR and animation
(www.tomshardware.com)
It's not irrelevant, it's that you don't actually know if it's true or not, so it's not a valuable contribution.
If you started your comment by saying "This is something I completely made up and may or may not be correct" and then posted the same thing, you should expect the same result.