Unreal Engine Issues

RootMotion travel distance get affected by ForceAnimRate

A root motion controlled character would travel further than they should when both EnableUpdateRateOptimizations is on and a.URO.ForceAnimRate is set above 1. Changing "Root Motion from Montages On ...

Collision Viewmodes do not affect Instanced Meshes properly

Collision View modes, such as Player Collision and Visibility Collision, do not work with Instanced Static Meshes. Regression?: No This also occurred in 4.18 ...

C4D Mograph not working in 4.24.0

A customer is reporting that C4D mograph support is broken in version 4.24. C4D file added under [Link Removed] folder in: [Link Removed] ...

Negative scale with non 0 rotation doesn't work.

HeaderMarkForPacketInfo.GetNumBits() == 0 when closing NetConnection during Tick

Licensee reported getting this error on PS4 after losing internet connection or putting the console into rest mode. See linked UDN for callstack. The NetConnection calls Close during its Tick, due ...

LevelSnapshots affect level visibility when restoring snapshot

Slack thread [Link Removed] ...

Chaos: geometry collection with One Way Interaction never breaks from its own collisions

A geometry collection with One Way Interaction Level set to 0 never breaks from its own collisions. It falls, lands, and stays intact no matter what it hits. Set the level to -1 (feature off) and ch ...

[CrashReport] UE4Editor_SequenceRecorder!FAnimationRecorder::Record() [animationrecorder.cpp:616]

According to CrashReporter there is both an Ensure and a Crash that occur with this callstack. The error message for the Ensure is Ensure condition failed: UIDList == AnimationCurves.UIDList [File:D ...

[Mobile/Forward Rendering] PlanarReflection does not work when the reflection plane faces certain directions

Note: This repros on 4.27 and all 5.x versions. When using the mobile renderer and/or forward shading, Planar Reflection will simply not work if the reflection plane normal has components that add ...

[CrashReport] Crash occurring in Phonon::FPhononReverb::ProcessMixedAudio

This is an early trending crash coming out of the 4.16 Preview. Users have not provided any additional information. From Log:/Game/VirtualRealityBP/Maps/UEDPIE_0_StartupMap.StartupMap (0.006787s) ...