Traces to Spawned Destructible Mesh Actors returning inconsistent results

UE - Simulation - Physics - Destruction - Jun 18, 2015

When spawning an Actor containing a Destructible Mesh and immediately doing a sphere trace to that actor, upon repeated spawns you will get False results for some time then True results for a while ...

Importing FBX creates new materials when using the search materials import setting

UE - Editor - Content Pipeline - Import and Export - Nov 1, 2017

There is an issue when importing FBX that creates new materials when using the search materials import setting. Instead of being able to use the material that is in the Base Material name, the textu ...

Shaders are compiled for Engine on first launch after fresh download

UE - Foundation - Build - Rocket (Installed Engine) - Dec 21, 2016

Engine DDC doesn't appear to be included with fresh install of 4.15 Engine. Upon launching editor for first time, ShaderCompileWorker Process startup and user gets notification shaders are compili ...

[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 ...

Crash when adding multiple collision types to a mesh

Tools - Jan 27, 2017

Adding various collision types to a single mesh will cause it to hard crash the editor. No Crash Reporter window will open. Note that this happens with the user's mesh, but I was not able to repro ...

Quickly using alt-tab with a blueprint in a new window causes the event graph to capture input of the alt key

Tools - Nov 13, 2017

Quickly using alt-tab with a blueprint in a new window causes the event graph to capture input of the alt key. This issue does not occur when the blueprint is a tab of the main UE4 editor window. Th ...

Audio/Video out of sync after seek

Media Framework - Jan 29, 2018

There is an issue that sometimes occurs when using the seek option in the media player while the Decoder is set to WMF. When this happens the audio desyncs from the video and for the rest of the vid ...

Datasmith files containing special characters do not import correctly in Unreal

UE - Editor - Content Pipeline - Datasmith - Exporters - Oct 10, 2018

User is experiencing an import issue with a 3DS Max 2019 file. Their workflow is as follows and works for all their assets but this one:Original file created in revit 2019Import revit link to 3dsmax ...

Streaming levels loses static meshes coordinates and mesh references

UE - Gameplay - May 28, 2019

Streaming levels loses static meshes coordinates and mesh references when a Blueprint within the sub-levels are changed and they aren't toggled visible in the Persistent Level when it is being built ...

Creating a new C++ Synth Component results in a failed compile linker error.

UE - Audio - Dec 19, 2019

Upon creating a new Synth Component C++ Class in Unreal 4.24, the compiler will fail to compile with a Linker error. ...