Unreal Engine Issues
Unreal Engine Issues
Staticmesh asset sometime mess material ID when reimporting fbx or get rebuild
UE - Editor - Content Pipeline - Import and Export - Jul 9, 2019We need to investigate more what happen during this reimport with the material ID. The asset can also be broken when the DDC get dirty and the asset is rebuild. ...
Slowly Scaling Widgets reveals a slight jitter
UE - Editor - UI Systems - Jul 9, 2019When scaling a widget slowly it appears to have a slight jerkiness as it is resized ...
Investigate removing reliable sequence synchronization from UActorChannel::SetChannelActor
UE - Networking - Jul 8, 2019UActorChannel::SetChannelActor contains old code to synchronize the channel sequence numbers for a connection if the channel index is reused. This seems unnecessary now that we intentionally update ...
Instanced RepNotify variable doesn't update on client if altered in level
UE - Networking - Jul 8, 2019An instance editable Rep Notify variable will not update on Rep Notify if an instance of if is edited in a scene. A demonstration project can be found here: [Link Removed] Found in 4.22 CL#7053642 ...
Each changing collision response increases FPhysXTask count
UE - Simulation - Physics - Jul 8, 2019calling SetCollisionResponseToChannel or something similar, FPhysXTask will ever increase . Finally, it causes serious frame rate drop. That count can be reset by calling RecreatePhysicsState. ...
Crash when using VR Mode with Extra Viewports and a Camera Actor
UE - Editor - Workflow Systems - Jul 6, 2019From User: "Normally UE4 has an "Eject" button which is great for live-debugging your app, because you can see everything that's happening in your world, and see the World Outliner in realtime whil ...
Unnativized BP function fails to return a valid reference to a component when the calling BP is nativized
UE - Gameplay - Jul 5, 2019The nativized spawner receives an invalid reference from the non nativized actor and fails silently meaning the variable doesn't get set. Additional info: This issue happens when using a pure and n ...
Unable to create derived classes of UPostProcessComponent
UE - Graphics Features - Jul 5, 2019Using the Super functions for OnRegister, OnUnregister, Serialize when defining their functionality in a derived class of UPostProcessComponent causes a linker error. Tested in 4.21.2 (CL - 4753647 ...
Set Skeletal Mesh does not replicate or multicast to Clients
UE - Networking - Jul 5, 2019The Set Skeletal Mesh function does not replicate or multicast to other Clients. In Setup A (Level Blueprint) only the Sever Character is changed on either the Client or Server. In Setup B (ThirdPer ...
UHT fails to parse non-inlined UFUNCTION with RESTRICT keyword in parameter list
UE - Foundation - Cpp Tools - UnrealHeaderTool - Jul 2, 2019When you have a non-inlined ufunction, UHT fails to parse the restrict keyword in its parameter list. Note: The following compiles (notice that the only change is the use of the FORCEINLINE keywo ...