Unreal Engine Issues
Unreal Engine Issues
Crash occurs when entering r.GbufferFormat 3 and running the Pixel Inspector Tool
UE - Graphics Features - Jun 13, 2017A crash occurs when attempting to run the Pixel Inspector tool after entering 'r.GbufferFormat 3' What this does is defines the memory layout used for the GBuffer. (affects performance, mostly thro ...
AreaNavModifiers generated by SplineNavModifierComponent have the component-to-world transform incorrectly applied twice
UE - AI - Navigation - Aug 15, 2025USplineNavModifierComponent was made available in UE 5.4. It generates several FAreaNavModifier instances covering a region with a certain thickness around a USplineComponent, and worked correctly u ...
USkinnedMeshComponent::FindClosestBone does not respect bRequirePhysicsAsset parameter
OLD - Anim - Mar 20, 2017A licensee has reported that the USkinnedMeshComponent::FindClosestBone function does not respect the bRequiresPhysicsAsset parameter, resulting in the bone returning bones that are not part of the ...
Components stop reporting overlap after a certain amount of actors are attached
UE - Simulation - Physics - Jun 5, 2017Components stop reporting overlap after a certain amount of actors are attached Warning Trying to simulate physics on ''/Game/UEDPIE_0_Level1.Level1:PersistentLevel.Cube7.StaticMeshComponent0'' but ...
[CrashReport] UE4Editor_Sequencer!TBaseMulticastDelegate<void>::RemoveDelegateInstance() [delegatesignatureimpl.inl:964]
UE - Anim - Sequencer - Oct 5, 2017This is a slightly common crash coming out of the 4.17.2 hotfix. Users have not provided any descriptions of their actions when the crash occurred. Source Context 951 /** 952 * ...
Blueprint Projects can't make APK without compiled .so Error when packaging for Android with any Plugin Disabled
UE - Platform - Mobile - Sep 5, 2018Blueprint Projects can't make APK without compiled .so Error when packaging for Android with any Plugin Disabled. Also seeing Gradle errors if SteamVR plugin is disabled. Setting min version to 14 ...
Major performance drop with instanced meshes since PhysX 3.4 upgrade
UE - Simulation - Physics - Mar 15, 2017Major performance drop with instanced meshes since PhysX 3.4 upgrade Regression: YES Worked: 3172292 (4.13.2) Broken: 3249277 (4.14.3) For me, my results were: 4.8 through 4.13 No Collision - ...
GAS: RemoveReplicatedLooseGameplayTag on unadded tag causes it to be replicated
UE - Gameplay - Gameplay Ability System - Nov 17, 2022A UDN user found that calling AbilitySystemComponent->RemoveReplicatedLooseGameplayTag(TagToRemove); while the gameplay tag was not in the TagMap, will create an entry for it with count 0, see ...
Landscape DFAO shadowing artifacts in Standalone and packaged
UE - Graphics Features - Oct 25, 2016The Heightfield from DFAO when playing in Standalone or a packaged game has darkened shadow artifacts for the level. Workaround: Use r.AOGlobalDistanceField 0 to disable the Global Distance Field. ...
Ensure triggers when undoing change to newly created variable
UE - Gameplay - Blueprint - Sep 28, 2018Ensure will trigger when undo reverts text to default value. "This triggers an ensure because the undo ends up calling SKismetInspector::ShowDetailsForObjects(), which forces the keyboard focus to ...