Unreal Engine Issues
Unreal Engine Issues
Stream media source freezes after playing for a short period of time (10 sec. -1 Min.) on Oculus Go
UE - Platform - XR - Jun 7, 2018When using streamed media source in combination with the oculus go, the video appears to freeze before completion on the device. ...
Scaled Geometry Collections result in a potential memory leak in Physics/ChaosUpdate
UE - Runtime - Simulation - Mar 30, 2025Scaled Geometry Collections (GC) result in a potential memory leak in Physics. Tracing the memory allocation of a single run of the Editor and multiple Play-In-Editor sessions of a scene that contai ...
Adding a node or variable to a component referenced by another actor crashes editor
UE - Gameplay - Blueprint - Aug 3, 2015If compile is pressed after adding a variable or node to a blueprint component that has a variable referenced within another blueprint actor, the editor immediately crashes. Frequency: 1/1 Crashr ...
Importing low key frame animations with custom attribute curves have their keys offset affecting pose asset generation
OLD - Anim - Sep 9, 2016When creating a pose asset based on an animation and curves with a low number of keyframes if you switch between the pose assets poses, the curves will not be correctly timed with the animation beca ...
Twinmotion sign-in error when attempting sign-in inside app
TM - Core - May 18, 2026Reported in SF [Link Removed] Attempting to sign into Twinmotion from within the TM 2026.1 editor results in a consistent sign-in error using the sign-in buttons. Initial sign-in during launch whe ...
Enum Variable doesn't pull the correct Default Value
UE - Gameplay - Blueprint - Aug 10, 2015Enum 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 ...
Creating a Blueprint out of existing Blueprints removes all assigned Static Meshes from components
UE - Gameplay - Blueprint - Aug 11, 2015Creating a Blueprint out of existing Blueprints removes all assigned Static Meshes from components. Reproduced in 4.8.3 binary, 4.9 Releases (//depot/UE4-Releases/4.9/Promotable-CL-2650750), and Ma ...
FGameplayTagCountContainer::Reset() leaves explicit tag state and causes counts to accumulate
UE - Gameplay - Gameplay Tags - Aug 4, 2026[Summary] In UE 5.7 and later, if a tag is added once to an FGameplayTagCountContainer, the container is reset, and the same tag is added once more, GetExplicitTagCount() returns 2 instead of the e ...
Incorrect config property serialization for UStructs used as TMap keys or contained in a TSet with a single value. Diffs taken from default-value of each member type, instead of from default-value of the struct
UE - Core - Systems - Nov 18, 2024Consider a UStruct with some basic type members, each one with a default value specified in the struct. Also consider a TSet or TMap with that struct as keys, used inside a UObject as a UProperty an ...
Unable to add/compile code for Automation Test
UE - Automation Test - May 22, 2017When following the documentation on setting up automation tests, the sample provided for "Simple Tests" does not successfully compile. One of two compiles errors is given based on the TFlag used A ...