Updates to Borderlands: The Handsome Collection and Borderlands: The Pre-Sequel were released yesterday, and the update for the former is a rather large download.
According to the patch notes posted by Gearbox Software, the update to The Handsome Collection on PlayStation 4 and Xbox One is large "due to the nature of performance-improving fixes."
Users report it is around 7.7GB on Xbox One.
An update to Borderlands: The Pre-Sequel was also released seperatley for folks who do not own The Handsome Collection, which includes the game along with Borderlands 2.
Links to the full update notes can be found below:
Borderlands: The Pre-Sequel
Borderlands: The Handsome Collection