: Addresses issues with M580 PLC progress bars during online modifications.
Many developers purchased assets between 2015 and 2016 that were never updated. The developers of those assets have since abandoned them. These assets often break in Unity 2019+ due to API changes (e.g., removing UnityEngine.BillboardRenderer or updating NetworkView to Netcode ). Unity Pro 131 supports the old networking API ( UNET legacy) and the standard shader pipeline without the "Scriptable Render Pipeline" (SRP) conflicts. unity pro 131 download full