Add Actor World Offset does not work consistently with physics-enabled objects

UE - Simulation - Physics - May 3, 2022

Add Actor World Offset does not work consistently with physics-enabled objects Repro Rate: 3/3 Tested this in //UE4/Release-4.27 @ CL#18319896 and the issue did not occur there, it is a regression ...

Unable to launch project from Visual Studio using installed engine build

UE - Foundation - Build - Farm - Feb 23, 2017

When a code project's engine association is switched to a local binary version of a source engine, the project will fail to open from within Visual Studio. Error message says that UE4Editor-Project ...

Client crashes when executing seamless travel with an active particle system in the level that was spawned at runtime

UE - Niagara - Apr 16, 2019

Clients crash when being part of a Seamless Travel if there was an active particle system in the level that was spawned at runtime. If the travel is not seamless, the particle system is placed in th ...

Creating a Blueprintable Struct that contains a Tmap results in Editor Crash

Tools - Sep 6, 2019

Any blueprint with a TArray of a struct containing a TMap crashes the editor when adding elements ...

Regression: Skeletalmeshreproduction node do not show mesh when the mesh is not SK_Mannequin in 4.24

UE - Niagara - Jan 16, 2020

SkeletalMeshReproduction node stopped showing meshes other than SK_Mannequin. ...

Niagara Parameter Collection Overrides aren't working

UE - Niagara - Aug 20, 2020

Parameter collection overrides defined in the Niagara system's System Properties do not work. In FNiagaraSystemSimulation::GetParameterCollectionInstance the return value of GetParameterCollectionO ...

Panorama plugin for Movie Render Queue renders black images

UE - Anim - Sequencer - MRQ - Dec 15, 2022

Regression: Tested in UE5/Release-5.0, and the issue does not occur, so regression is yes This issue also occurs when you set "Enable alpha channel support in post processing (experimental)" to "Al ...

AI Move To Location zeros velocity each call, causing the AI Pawn to freeze if told to move again before reaching destination

UE - AI - Sep 12, 2016

AI Move To Location causes AI to lose velocity each time it is called, resulting in a freeze in movement on each call. Regression: Yes Worked: 4.12.5 (CL 3039270) Broken: 4.13.0 (CL 3106830) Funct ...

Instances Created From Merge Actor Have Corrupt Lightmaps

UE - Graphics Features - Jun 6, 2019

Instances Created From Merge Actor Have Corrupt Lightmaps. Working as intended in 4.20 CL# 4369336 and 4.21 CL# 4753647 Found in 4.22 CL# 6574378 and 4.23 CL# 6842436 This is a regression. ...

Orientation Warping is rotating the mesh incorrectly on listen servers

UE - Anim - Gameplay - Apr 26, 2023

See UDN for details: [Link Removed] ...