Editing a blueprint from a hidden streamed level can reset all actor transforms

UE - Gameplay - Blueprint - Jul 9, 2015

When editing an actor blueprint that's inside of a hidden streamed level, the blueprint actor transform will reset to 0,0,0. There is a video that's attached to the AnswerHub post which is very use ...

[CrashReport] UE4Editor_Sequencer!FSequencerEdMode::CleanUpMeshTrails() [sequenceredmode.cpp:186]

UE - Anim - Sequencer - May 30, 2017

This is a top crash occurring in the 4.16 release. Despite the callstack occurring in Sequencer, many users are experiencing this crash while working in UMG. User Descriptionsscaling track in widge ...

[CrashReporter] UE4Editor-MeshBuilder!SkeletalMeshBuilderHelperNS::FixFaceMaterial(USkeletalMesh *,TArray<SkeletalMeshImportData::FMaterial,TSizedDefaultAllocator<32> > &,TArray<SkeletalMeshImportData::FMeshFace,TSizedDefaultAllocator<32> > &)

UE - Editor - Content Pipeline - Datasmith - Importer - Jan 6, 2020

Generated from CrashReporter Error message: Assertion failed: (Index >= 0) & (Index < ArrayNum) [File:D:\Build\++UE4\Sync\Engine\Source\Runtime\Core\Public\Containers/Array.h] [Line: 614] Array in ...

Assert when having too many VR devices

UE - Platform - XR - Aug 31, 2018

Internal team is encountering a crash when adding too many VR devices. Email thread titled "Re: Crash Logs" The bug is an internal limit of devices the code supports, which is 8. If a controller o ...

Enabling Collision on a Spline Mesh component with a Static Mesh assigned causes an assertion to fail while executing in a package

UE - Simulation - Physics - May 4, 2022

Enabling Collision on a Spline Mesh component with a Static Mesh assigned causes an assertion to fail while executing in a package. This does NOT occur if you play in editor. Repro Rate: 4/4 Teste ...

Editor will crash on attempt to load a previously-saved Blueprint asset with a serialized default subobject containing a serialized static array of two or more nested subobject instances.

A crash will result if a Blueprint class that's based on a native C++ class containing two or more nested, explicitly-instanced subobjects referenced by a fixed-size object array property are serial ...

Find Sessions Consistently Returning Results Length of 0

UE - Networking - Feb 24, 2017

It appears that as of 4.15, there is an issue with creating/joining sessions. The attached test project worked fine previously in 4.14, but now is unable to join sessions. The user has stated: Th ...

Error when packaging C++ projects in 4.16 Binary

UE - Foundation - Core - Feb 23, 2017

Packaging a C++ project for Android, iOS, or Windows produces an Error. This issue did not reproduce when testing in a source build from P4. Spoke with ChrisB and he believes this is due to the pac ...

Actors in 4.16 do not enter a resting state when expected

UE - Simulation - Physics - May 17, 2017

There is extra random bouncing that can last a couple of seconds that does NOT occur in 4.15.2. Sometimes the cube would look like it settled, then randomly pop and bounce again. This happened on b ...

Fix log spam when using a vive wireless adpater

UE - Platform - XR - Dec 19, 2018

We need to handle TrackedDeviceClass_DisplayRedirect as a valid device in SteamVRController.cpp ...