Overwtch releases a huge patch update

A recent update for Overwatch brought together new game modes and an update which has been loved by the community so far. The Retribution event update, however, is a massive update with the quantity running upwards of 15 GB. 

We do, and that's why this is large. Occasionally we need to repackage everything so future patches can be smaller. ^KAL

• Blizzard CS – The Americas (@BlizzardCS) April 10, 2018

While the community was surprised with this, a lot of the download size was intended, according to Blizzard developers. They wanted to reorganize the game files so that future game updates can be smaller and organized better.