[CrashReport] UE4Editor_WorldBrowser!FMulticastDelegateBase<FWeakObjectPtr>::RemoveAll() [multicastdelegatebase.h:81]

UE - World Creation - Worldbuilding Tools - World Composition - Nov 2, 2017

This is a trending crash coming out of 4.18 and may be a regression. Users have not provided any descriptions of their actions when the crash occurred. Source Context 72 /** 73 ...

Crash occurs when starting PIE on a level containing a FunctionalTest Blueprint and a sub-level with a landscape component in both levels

UE - LD & Modeling - Terrain - Landscape - Oct 23, 2018

Placing a FunctionalTest Blueprint into a level that contains a landscape component and a sub-level that also contains a landscape component results in a crash when PIE is started. This only occurs ...

When asynchronously loading levels using the "Async Load Primary Asset" node, the dirty flag of the loaded level becomes Enable

UE - Gameplay - Jul 26, 2018

Asynchronously loading a level that has one or more Actors using the "Async Load Primary Asset" node will enable dirty grug for that level asset. The cause is a modified code(CL-3764602) for the [L ...

Unreal Insights - GPU Timers don't show on Graph

UE - Foundation - Insights - Oct 27, 2023

From Customer: UE 5.3 update broke Unreal Insights adding GPU timers into graph tracks. Debugging the code and cross checking with github/p4v I guess it broke in this revision: Timer graphs no ...

Selection Highlight cannot be disabled for Skeletal Meshes

Tools - Feb 7, 2017

Selection highlight cannot be disabled for Skeletal Meshes. They will always have the outline selection and some tinted selection over their faces. Static Meshes do not exhibit this behavior. This ...

Custom animation node in game module fails to load in -game or packaged project

OLD - Anim - Oct 29, 2015

Not sure if this is an Animation or a Core issue, but a runtime Anim Node will not load properly with "-game" or in a packaged build. The developer that made this sample read this blog post: [Link ...

Actors not marked as Always Relevant do not replicate to Clients that have possessed a vehicle past 15,000 units of the point of possession

UE - Networking - Oct 20, 2015

Actors not marked as Always Relevant do not replicate to Clients that have possessed a vehicle past 15,000 units (the sq root of Net Cull Distance Squared) of the point of possession. Note that repl ...

[CrashReport] FMaterialEditor::NotifyPostChange()

UE - Rendering Architecture - Materials - Aug 29, 2017

This is a trending crash in the 4.17 release. Update: also trending in the 4.18 release User DescriptionsImporting new charactertogled lighting modes on shadersChanging attriubtes on a materialWa ...

[CrashReport] UE4Editor_LevelEditor!FMulticastDelegateBase<FWeakObjectPtr>::RemoveAll() [multicastdelegatebase.h:81]

Tools - Oct 26, 2017

This is a trending crash in 4.18.0. One case of this callstack occurred in 4.17.1, but then numerous have occurred in 4.18. Users have not provided any descriptions of their actions when the crash ...

[UDN-19505621] Hide Selected At Startup Issue

UE - Editor - Workflow Systems - Jun 10, 2025

From [Link Removed]: 你好,我发现这里的选项有一些工作逻辑不一致,提一个改进建议: ​ 当手动隐藏Actor小眼睛图标的时候,设置Hide Selected At Startup 是无效的,这具有很大的误导性,而其他任何情况下,工作都是正常的,比如: 1.小眼睛隐藏+Show All At Startup 2.小眼睛隐藏+Show Selected At Startup ...