BP using nested child actor components in streaming level causes ensure condition failed

UE - Simulation - Physics - Solver - Jul 11, 2022

This never happens on ue5.0.0 The problem appears to be caused by a deleted PhysicsProxy being registered with Solver. Since the solver accesses the deleted PhysicsProxy, it may crash. Checking a ...

Crash when client tries to connect to server instance using WP

UE - World Creation - Worldbuilding Tools - World Partition - Apr 10, 2023

Global illumination Postprocess settings doesn't affect Reflection on Mobile

UE - Platform - Mobile - Jul 29, 2019

Postprocess GI related settings look like working in 4.22 on Mobile now, but seems buggy, Not sure if it has supposed to be supported on Mobile since it has no any info in Doc or 4.22's release note ...

Allow multicast RPCs to be recorded by replays in NM_Standalone

UE - Networking - Sep 21, 2018

No game net driver exists in a standalone game, so there is currently no code path to forward multicast RPC calls to the demo net driver for recording. ...

SingleSampleShadowFromStationaryLights does not work in UE5 (when GPU-Scene is used)

UE - Graphics Features - Shadows - Jul 21, 2022

The flag is not propagated in FPrimitiveSceneShaderData::FPrimitiveSceneShaderData and so is missing in GPU-Scene primitive data. Need to add: .UseSingleSampleShadowFromStationaryLights(Proxy->UseS ...

Crash when DFAO is disabled and a lower scalability is used while Distance Field Shadowing is enabled.

UE - Graphics Features - Feb 2, 2016

When enabling Distance Fields for a project and adjusting the cvars to disable DFAO and set a lower Detail Mode will result in a crash. Using the console commands outlined in the steps will work. ...

Local variables do not appear in the context menu inside collapsed graphs

UE - Gameplay - Blueprint - May 21, 2015

Local variables do not appear in the context menu inside collapsed graphs. They can still be dragged into the graph. Reproduced in 4.8 Preview 3 and Main (//depot/UE4/Promotable-CL-2560501) ...

RestrictedToClasses UCLASS Meta expects space delimiters but documentation shows comma delimiters

UE - Gameplay - Jul 19, 2019

The documentation: https://docs.unrealengine.com/en-US/Programming/UnrealArchitecture/Reference/Metadata/index.html shows the RestrictedToClasses meta syntax as being RestrictedToClasses="Class1, C ...

Volumetric Translucent Shadow not showing in game mode

UE - Graphics Features - Sep 8, 2020

Volumetric Translucent Shadow not showing in game mode for versions 4.23-4.25.  Reported and tested in versions 4.25.3(CL 13942748), 4.24.3(CL 11590370), 4.23.1(CL 9631420), 4.22.3(CL 7053642). Wor ...

Repeated GPU Timeout after drawing to render target

UE - Graphics Features - Dec 7, 2022

(Enduring Games) Included Insights trace to show the memory spike in LLM followed by some pretty large time cost frames in the timeline. (Link to insights trace in comments section) ...