Unreal Engine Issues
Unreal Engine Issues
The pak file specified in PakFileRules is not created correctly
UE - Core - Systems - Aug 8, 2023The rules by which chunks are created are ambiguous and currently do not ensure that both PakFileRules and PrimaryAssetLabel settings are reflected. In this sample, depending on the PrimaryAssetLabe ...
[CrashReport] FIntroTutorials::AnalyticsEventNameFromTutorial()
Tools - Jul 6, 2017This is a common crash that appears to have started in the 4.16.1 hotfix, but has occurred with more frequency in 4.16.2. User DescriptionsAfter the blueprint tutorial, I pressed "play", pressed ES ...
Incorrect behavior after attaching an actor to a non-root component of another actor in the Editor
UE - Editor - Verse Class Editor - Jul 3, 2024UE allows actors to be attached to other actors. More precisely, it allows the root component of an actor (child) to be attached to any component of another actor (parent). From now on, "parent" and ...
SetStaticMesh does not replicate
UE - Networking - Jun 2, 2015Using OnRep_StaticMesh() in code or using the Set Static Mesh node does not replicate across server/client in game. ...
ShooterGame Crashes on Exit on iOS Due to Exhausting Real Time Allowance
UE - Platform - Mobile - Jul 30, 2018When closing ShooterGame on an iOS device, the application crashes due to "exhausting the real time allowance of 5.00 seconds". This issue is NOT a regression for //UE4/Dev-Networking as it is also ...
Regression - Inherited component properties on actor instances of derived blueprints are silently reset to defaults when the blueprint is compiled, causing data loss
UE - Gameplay - Jul 19, 2024In certain circumstances, when a derived blueprint is compiled, all properties from its inherited components can be silently reset to defaults on instances placed on the current level. This results ...
PCG: Unable to use Attribute property overrides to target nested struct properties, such as BodyInstance.CollisionProfileName due to how it's validated in PCGMeshSelectorByAttribute.cpp
UE - Graphics Tools - PCG - Workflow - Jun 17, 2025Context: Static Mesh Spawner is used to spawn one static mesh per point in the provided point data. PCGMeshSelectorByAttribute is used to select an entry based on an attribute present on the mesh. ...
D3D HUNG crash with Aftermath result: CullLights
UE - Graphics Features - Apr 27, 2017This is a specific subset of D3D HUNG crashes from [Link Removed]. This JIRA is for the crashes with the following results from Aftermath: [105]LogRHI:Error: [Aftermath] Status: Timeout [105]LogR ...
Compiling a Blueprint that uses a Select node with two different variations of Actor will crash the Editor in 4.9
UE - Gameplay - Blueprint - Jul 17, 2015Compiling a Blueprint that uses a Select node with two different variations of Actor will crash the Editor in 4.9. In 4.8.2 binary, one input of a Select node will be disconnected on restarting the ...
Crash when playing NiagaraSystem with mesh renderer in CPUSim with Compress Attributes enabled when stompmalloc is enabled
UE - Rendering - Architecture - Niagara - Jul 16, 2024Crashes when playing Niagara particles with the following conditions enabled. It crashes only when stompmalloc is enabled, not when disabled. Enable Ray tracingEnable Compress Attributes in System P ...