'Staingate'
Apple is replacing the affected screens for free, I had mine replaced few months back (late 2013, 13" Retnina Macbook Pro).
https://9to5mac.com/2015/10/19/staingate-retina-macbook-scre...
Apple is replacing the affected screens for free, I had mine replaced few months back (late 2013, 13" Retnina Macbook Pro).
https://9to5mac.com/2015/10/19/staingate-retina-macbook-scre...
I had mine replaced for free a few months back as well :)
Did a bit more digging and found a site [1] which has a gallery of affected MBP, showing the different levels of "staingate"