PhysX Crash In Attached Project During PIE

UE - Simulation - Physics - Jul 29, 2016

The user is experiencing a PhysX crash in their project. They stated that the source files contained in 4.12.5 are different from Nvidia's Github version of 3.3.4, which apparently contains a fix fo ...

ResavePackages commandlet with -fixupredirects flag won't update asset references on shared collections

UE - Editor - Content Pipeline - Content Browser - Mar 29, 2018

We currently have two methods of fixing up redirectors: the ResavePackages commandlet and the Fix Up option within the editor. While the editor's option correctly handles collections via FAssetFixUp ...

Unreal Studio: Multi User Viewer Template Menu: Next Arrow Bug

UE - Anim - Sequencer - Oct 11, 2018

"There's a bug with the menu where you cant get to the next step (server browser or host) when you have a VR headset plugged and available. The "Next_Btn" button is greyed out on the last step. You ...

ShooterGame: Unable to Find Hosted Match over Wi-Fi on Android

UE - Networking - Jul 27, 2018

Android devices cannot find a hosted match over Wi-Fi (IPv4) from another Android device despite being connected to the same Wi-Fi network with matching subnets. The host prints the following messa ...

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

UE - Audio - Apr 27, 2017

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) ...

[CrashReport] Mac crash - UE4Editor-Slate.dylib!PrepassWindowAndChildren(TSharedRef<SWindow, (ESPMode)0>)

UE - Platform - Apple - Oct 27, 2017

This Mac crash originally occurred in 4.15 around March 2017, then decreased in frequency during 4.16 and 4.17. It may be starting to trend again in 4.18. There is one record of this occurring in 4 ...

World Partition Converter- Soft object pointers to actors kept in scripted sublevels are incorrectly remapped to the main world during in place conversion

UE - World Creation - Worldbuilding Tools - World Partition - Jul 1, 2022

From user:"We have ran into an issue with soft object pointer fixup/remapping with the World Partition converter. If you have a sublevel that contains a level script and an actor that is hard refer ...

Removing a parameter from a blueprint function in a library can cause actor classes calling it to lose their parent or instance data

UE - Gameplay - Blueprint - Oct 4, 2018

Compile errors caused by an actor calling a function with something hooked up to a removed parameter can cause that actor to lose it's place in the hierarchy. Typically, the actor will be fixed once ...

Improper include generated when C++ class is in a subdirectory

UE - Editor - Workflow Systems - Jun 7, 2022

This is not a regression from 4.27.2, however, a similar issue was fixed in 4.26. Generating a C++ class that is in a subdirectory generates the #include "Subdirectory/Class.h" instead of #include ...

Fbx Importer: Make sure the blendshape curve keys have the correct tangent scale

UE - Anim - Oct 4, 2021

The tangent of the blendshape curve seam to have the wrong scale (but correct direction) from this UDN. https://udn.unrealengine.com/s/question/0D54z000079J03OCAS/skip-compressing-anims-and-buildin ...