Windows 64-bit > https://developer.cloud.unity3d.com/share/W1D7M_WLTZ/
Windows 32-bit > https://developer.cloud.unity3d.com/share/b1F3Zdb8pb/
Linux > https://developer.cloud.unity3d.com/share/b1CTtv-L6W/
Mac > https://developer.cloud.unity3d.com/share/b1KBbu-8T-/
Android > https://developer.cloud.unity3d.com/share/bkXIKyMU6-/
Changelog > see the public roadmap
5.2 to 5.3 UPGRADE NOTE:
Since 5.3(.0), the game uses a new resolution engine version (due to the collision system fixes), which means your matches from 5.2 will be deprecated and not watchable/deployable anymore.
So if you have an undeployed match, deploy it before updating!