Complex collision mesh might lose its collision in the editor

UE - LD & Modeling - Modeling Tools - Mesh Editing - Feb 18, 2020

This is affected by loading order. In the case, display mesh was loaded firstly and try to build collision mesh form complex collision mesh asset. But the collision mesh didn't finished to make Ren ...

Using Replace Reference only works once on Linux

UE - Platform - Linux - Jan 14, 2016

Using the Replace References option to replace one asset with another, the window does not close/refresh properly. This causes the window to stay on the screen although it cannot be interacted with ...

Memory Leak in Actor Component Blueprints

UE - Gameplay - Blueprint - Dec 2, 2015

Slow memory leak occurs after opening Actor Component blueprints. ...

[CrashReport] UE4Editor_Engine!UTextureRenderTarget::GameThread_GetRenderTargetResource() [texturerendertarget.cpp:44]

UE - Editor - UI Systems - Jul 21, 2017

This is a common crash that has been affecting users since at least 4.15. This may be the same issue as [Link Removed], which was closed due to inactivity User Descriptionsloading a level Source ...

Instanced Static Mesh components update incorrectly in Standalone and Packaged game

UE - Gameplay - Aug 11, 2017

Instanced Static Mesh components update incorrectly in Standalone and Packaged game. When hit, all of the instanced static mesh components will snap to a singular location instead of each individual ...

Error for having an extra semicolon before a UPROPERTY declaration is not thrown inside of a USTRUCT

UE - Foundation - Core - Oct 26, 2016

Having an extra semicolon on the line before declaring a UPROPERTY will cause UHT to miss parsing the following UPROPERTY. This is expected, but an error is usually given when this is the case. This ...

Crash After Reimporting Static Mesh With Added Material Slot

Tools - Jan 12, 2017

After importing a mesh without any materials assigned, if you add a material slot and save the material. Reimporting this mesh will cause a crash. The only way to avoid this crash is to import a me ...

Cannot create Editor Toolbar Button with the name "Button"

Tools - Apr 19, 2017

The plugin fails to be created with the name "Button". The name button or BUTTON works as a plugin name. If there are some names that plugins cannot be called, then an error/warning message in the o ...

Crash upon using EComparisonMethod as a variable in a struct

UE - Gameplay - Blueprint - Jul 17, 2017

Having a variable of the type EComparisonMethod inside of a struct causes the editor to crash. This could be due to the variable being as part of the Development folders in code. Attempting to repro ...

[CrashReport] UE4Editor_GraphEditor!SGraphPin::GetTooltipText() [sgraphpin.cpp:1100]

UE - Editor - UI Systems - Slate - Sep 7, 2017

This is a common crash that has affected over 60 users since at least 4.16 User DescriptionsDeleted a SET variable Source Context 1091 FText SGraphPin::GetTooltipText() const 1092 { ...