Static imported as skeletal removing material IDs with some FBX

Tools - May 27, 2016

Static imported as skeletal removing material IDs with some FBX. This user's FBX files are, so far, the only ones that exhibit this behavior ...

[Audio Capture] - Editor crashes when activating an Audio Capture component when there are no active input or output devices avilable

UE - Audio - Aug 12, 2022

If a device has no available input or output devices, activating an Audio Capture component will cause the device to crash. Occurs in Editor and Runtime. Assertion failed: NumTotalFrames > 0 [File:E ...

Structure variables in Child Blueprints do not maintain the default values set in their Parent Blueprints

UE - Gameplay - Blueprint - Jan 12, 2015

Values changed to an inherited Struct variable in a Child Blueprint will be kept after compile, but any not changed will be set to 0s. ...

Emitter Delay Range will only recalculate each loop when Emitter Duration is checked True

UE - Graphics Features - Jan 12, 2015

To have a Particle System use an Emitter Delay Range that is chosen on each loop of the emitter, you must have under Duration, Duration Recalc Each Loop set to True. ...

3D Widgets do not render correctly for GearVR

UE - Platform - XR - Jun 15, 2016

3D widgets attached to the camera render incorrectly when compared to the oculus rift. When the Widget is centered to the camera and attached to it in the Character BP the widget will render incorre ...

Camera resets to default height on player movement in the X+ direction after capsule size change

UE - Gameplay - Aug 11, 2016

Camera resets to default height on player movement in the X+ direction after capsule size change. User Description: If I change capsule half height to lower than 96, for example to crouched half h ...

When r.SSR.Stencil is enabled, there is wrong logic observed.

UE - Graphics Features - Dec 19, 2025

When r.SSR.Stencil is enabled, the areas with high roughnesss are not discarded and Unlit materials are incorrectly handled. See the linked EPS case (Additional Info URL) for a full explanation of ...

[CrashReport] UE4Editor_CoreUObject!PackageReloadInternal::LoadReplacementPackage() [packagereload.cpp:274]

Tools - Aug 17, 2018

No user comments in crash group 262 UPackage* LoadReplacementPackage(UPackage* InExistingPackage, const uint32 InLoadFlags) 263 { 264 if (!InExistingPackage) 265 ...

Changes to code during a compile are not registered if compile is canceled/restarted

UE - Foundation - Cpp Tools - UnrealBuildTool - Jul 31, 2015

While the editor is compiling a hot reload, if project code is changed and the compile is canceled, code changes are not reflected upon next editor compile. ...

Enum Variable doesn't pull the correct Default Value

UE - Gameplay - Blueprint - Aug 10, 2015

Enum Variable doesn't pull/print the correct Default Value User Description: (Blueprint) User defined enum in 4.9 getting corrupted I believe there is a severe underlying issue in 4.9 regarding u ...