Major optimisation to networking removing at least 10 times the unneccessary network traffic from before.
You should see a large network performance boost to those on slower networks.
Network Optimisation
Source: Steam Community (opens in a new tab)
Build and release context
Steam update times within 24 hours of this post. Matching dates do not confirm which build it describes.
Build 7301086 · public branch
Steam updated · First observed