Possible: JPG encoding for Highscreenshot broken in 5.1 Linux build

UE - Platform - Linux - Feb 10, 2023

UDN report of JPG encoding not working: [Link Removed] Can we ask QA to try to repro? ...

Up Ratio on the Gear Setup for Vehicle Movement Component does not work correctly

UE - Simulation - Physics - Sep 11, 2015

When changing Up Ratio for the Gear Setup in a Wheeled Vehicle's Vehicle Movement Component, there are some weird results. At 1.0 for Gear Setup, the gear should shift once RPM is at max but it will ...

Sequencer frame range progression is not continuous

zComponent - Archive - Oct 28, 2021

The end of the level visibility section places a DeterminismFence. This causes the issue. The fence clips the frame range and produces a discontinuous frame ranges, e.g. 23201~24000, then 24001~24 ...

Changing the ComponentClass of a ACharacter twice and trying to set a SkeletalMeshAsset crashes the engine

UE - Runtime - Animation - Jan 22, 2026

Changing the ComponentClass of a ACharacter twice and trying to set a SkeletalMeshAsset crashes the engine with a "Cannot replace existing object of a different class" message. The conditions to re ...

Unreal Insights - GPU Timers don't show on Graph

UE - Metaverse - Profiling Tools - 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 ...

[CrashReport] Access Violation - UModelComponent::GetPhysicsTriMeshData() [modelcomponent.cpp:673]

UE - Simulation - Physics - Oct 2, 2017

This is a trending crash coming out of the 4.18 Previews. Users have not provided any descriptions of their actions when the crash occurred. The callstack is similar to [Link Removed], which was ju ...

Crash when playing a HapticFeedbackEffect_Soundwave

UE - Platform - XR - Aug 30, 2016

Array is -1 indexed, causing a crash. Fix is already in Dev-VR. Integrate to 4.13.1 (CL 3106922) ...

FarShadow range not considered in GetViewDependentWholeSceneProjectedShadowInitializer

UE - Platform - Mobile - Mar 30, 2026

Cascade index 0 is passed into GetViewDependentWholeSceneProjectedShadowInitializer. I think the intent of MaxShadowCascades = 1 and requesting cascade index 0 is to get a single bounding volume for ...