Unreal Engine Issues
Unreal Engine Issues
Scale box affects all children in a parent container widget when setting User Specified Scale
UE - Editor - UI Systems - Jul 5, 2018When a scale box is the the first child of a container widget, setting the user specified scale to 0 will affect all other widgets in the same parent container. ...
Unable to save blueprint after Hot Reload that affects the class the blueprint is based on
UE - Gameplay - Blueprint - Sep 14, 2015After hot reloading a project, if the class a blueprint is based off of was edited, the blueprint is unable to be saved due to being referenced in Engine/Transient. Project for Repro: [Link Removed ...
Separate Fill Alpha does not work on font outlines when outline size is set to 1
UE - Editor - UI Systems - Slate - Jan 16, 2017Font outlines render underneath the text, meaning that partially transparent text will allow the outline color to show through. This can be avoided by enabling Separate Fill Alpha. However, that opt ...
Half precision is not supported for OpenGL ES 3.1 Pixel Shaders
UE - Platform - Mobile - Apr 6, 2018Fix the cross compiler so half precision is supportedAdd a project setting to specify the default precision to support on ES31. Be sure the shader version takes this setting into account. — User des ...
BP-implemented BT decorator issues with 4.6 to 4.7 upgrade
UE - AI - Jan 20, 2015Changes done to BTDecorator_Blueprint result in users not being able to upgrade their BP-implemented decorators to 4.7. ...
Cannot Package Game for Windows from External Drive on Windows 8.1 Boot Camp Mac
UE - Foundation - Core - Dec 17, 2014User is trying to package the xixoBerlinFlat Marketplace and cannot get a packged project from an external drive project on a Windows 8.1 x64 system running via Bootcamp on a Mac. ...
Map placed actor binding to another actor's Event Dispatcher (multicast delegate) results in duplicate bindings after blueprint recompile
UE - Framework - Blueprint - Apr 17, 2025Context Blueprint actors placed on the map can bind to another actor's event. If an ActorB has a reference to ActorA, it can bind to an event dispatcher in A by creating an event node in ActorB's e ...
Opening or Creating a Material with SubSurface Profile will Crash Editor with LPV enabled
UE - Graphics Features - Dec 22, 2014After enabling Light Propagation Volumes with the console variable r.LightPropogationVolume=1, opening or creating a material with the subsurface profile model will crash the editor. Broken in 4.6. ...
Manually changing the value for Constraint Value 1 & 2 causes odd visual issues
UE - Simulation - Physics - Jun 1, 2016Changing the values that govern what bones a constraint is suppose to be a joint between (Constraint Bone 1 & 2) will cause issues where the transform widget is moved to an appropriate location but ...
When switching versions of UE4 the folder colors do not migrate with the project
Tools - Feb 27, 2015User reports when creating a project and changing the folder colors in 4.6, then opening the project in 4.7/4.7.1, the folders go back to their default color. Users have also reported this happenin ...