One-off Crash after Hot-reload compile from Editor

UE - Foundation - Core - Oct 20, 2016

The compile toast notification read that it was successful, then the Editor crashed about 10 seconds later. Error Message in Crash Reporter: Access violation - code c0000005 (first/second chance n ...

AutoLOD changes the static meshes LOD at different distances in VR Packages and Previews than in Editor

UE - Platform - XR - Jul 30, 2020

Packaged VR Projects and VR Previews change the LOD at a closer distance than in editor. ...

/std:c++17 key is hidden in generated .vcxproj after adding it to the BuildConfiguration.xml

UE - Foundation - Cpp Tools - Dec 10, 2021

As far as I can tell this is a regression. After including C++17 in the build configuration it shouldn't be hidden in the .vcxproj? ...

Linked animation graph doesn't trigger anim notifications on dedicated server.

OLD - Anim - Jun 15, 2020

Linked animation graph doesn't trigger anim notifications on dedicated server. There is no expected message in log: LogBlueprintUserMessages: [HitReact_AnimBP_C_0] Client 0: HitNotify IsServer: tru ...

State Tree needs to be compiled again after reopening the Project

UE - AI - StateTree - May 3, 2022

It seems upon reopening a project with State Trees, they don't always keep their last compiled state or recompile when the project is loading up. Same issue occurred when I removed a Task from a Sta ...

[CrashReport] UE4Editor_Engine!FAnimNotifyEvent::IsBranchingPoint() [animtypes.cpp:86]

OLD - Anim - Aug 29, 2017

This is a common crash occurring in the 4.17 release. Users have not provided any descriptions of their actions when the crash occurred. Source Context 72 float FAnimNotifyEvent::GetDurati ...

NotifyControllerChanged not always called on client

UE - Gameplay - Apr 20, 2022

See linked UDN for more information. ...

A welded hierarchy blocks updates to collision settings on all but the root primitive. Calling SetCollisionResponseToChannel on the children won't work.

UE - Simulation - Physics - Nov 22, 2024

A welded hierarchy blocks updates to collision settings on all but the root primitive. Calling SetCollisionResponseToChannel on the children won't work. The licensee noticed that IPhysicsProxyBase* ...