Contents
Unreal Engine 5.8 · Focused reference
UE 5.8 primary sources
On this page
All links were checked against Epic's UE 5.8 documentation on 2026-07-19.
Fundamentals
- Networking Overview
- Actor owner and owning connection
- Actor role and remote role
- Replicate Actor Properties
- Remote Procedure Calls
- Replicated Object Execution Order
Filtering and performance
- Actor Relevancy
- Actor Priority
- Actor Network Dormancy
- Detailed Actor Replication Flow
- Replication Graph
Components, subobjects, and scale systems
- Replicating Actor Components
- Replicating UObjects
FFastArraySerializer- Introduction to Iris
- Migrate to Iris
Testing and subsystem boundaries
- Testing, Debugging, and Optimization
- Networking Insights
- Console Commands for Network Debugging
- Networked Character Movement
UE 5.8 maturity notes
- Generic Replication is the default.
- Replication Graph is marked Beta.
- Iris is compiled in but remains Experimental and is not the default.
- The registered subobject list is the only subobject method compatible with Iris.
Sources and version
Documentation target: Unreal Engine 5.8. Confirm behavior in your installed engine; no per-procedure test result is implied.