Crash when jumping to location of referenced missing asset in a blueprint from Message Log window

Tools - Aug 29, 2016

I created a static mesh blueprint and set the mesh asset to a mesh in my project. Then I closed the project, deleted the mesh .uasset, reopened the project. When opening the blueprint, there are w ...

Attempting to export sequencer camera causes editor to crash on Linux

UE - Platform - Linux - Oct 26, 2016

Trying to export a sequence camera on Linux causes the editor to crash. This does not occur on Windows. EDIT: Crash seems to occur when focus leaves the FileName field. ...

Crash on checking event track key property after setting static mesh reference element

UE - Anim - Sequencer - Oct 19, 2017

Event track key with a structure containing staticmesh reference. Setting the staticmesh then reopening the property crashed the editor. ...

Undoing a change to the content of a Text widget while it is still selected causes an assert

UE - Editor - UI Systems - Jul 17, 2018

Hitting undo on a text widget while it is still selected will cause an assert. This appears to happen because the widget loses focus and attempts to commit it's text while still processing the undo, ...

Ensure triggers when undoing change to newly created variable

UE - Gameplay - Blueprint - Sep 28, 2018

Ensure will trigger when undo reverts text to default value. "This triggers an ensure because the undo ends up calling SKismetInspector::ShowDetailsForObjects(), which forces the keyboard focus to ...

Cascade Crashes Engine When Adding Particle LOD After Clearing LOD Settings

UE - Graphics Features - Feb 3, 2017

In cascade if you add particle LODs then remove, clear the LOD settings array, then attempt to add more LODs (after current) the editor will crash. This crash will only occur if you add LODs after c ...

Editor crash opening level with instance blueprint component

UE - Gameplay - Blueprint - Feb 20, 2017

When an actor has an instanced blueprint property, the order in which the map's imports are being verified when loading can cause the editor to crash. For example, trying to load an instanced bluep ...

Material Stats returning Incorrect Sampler and Instruction Counts

UE - Graphics Features - Mar 9, 2017

When creating and modifying a material, the base Texture Sampler count and instructions are returning incorrect values. In 4.14.3 whenever you create a new material the Texture Sampler count is 0/1 ...

[CrashReport] UE4Editor_Core!rml::internal::ExtMemoryPool::initTLS()

UE - Gameplay - Blueprint - Aug 15, 2017

This is a trending crash coming out of the 4.17.0 release. Users have not provided any descriptions of their actions when the crash occurred. The callstack shares some similarities to an older 4.14 ...

Forced reboot launching editor the first time

UE - Foundation - Cpp Tools - May 30, 2018

Note that before I tried running the editor via the Launch button, I just happened to run the Editor exe directly, and this did not repro then. After my PC rebooted I tried to reproduce it again an ...