Unreal Engine Issues
Unreal Engine Issues
Crash when using Ctrl+Z to undo a single digit change in the size of a widget
UE - Anim - Sequencer - Feb 21, 2017When trying to undo a single digit change the editor will crash. For example, if a user highlights and replaces a single number in the size of a widget and then attempts to undo, the editor will cra ...
Renaming a material isn't reflected in the Static Mesh Editor until it is closed and reopened
Tools - Mar 21, 2017Renaming a material isn't reflected in the Static Mesh Editor until it is closed and reopened. User Description: Let's have imported static mesh with material. Then select material using "Browse t ...
Movie play following Open Source crash editor when changing viewport size.
Media Framework - Mar 29, 2017When playing movie in PIE, changing viewport size leads to Engine crash. This is not reproduced in 4.14.3 ...
Incorrect collision of merged actor that was merged from a Spline Mesh Component
UE - Simulation - Physics - Apr 10, 2017Incorrect collision of merged actor that was merged from a Spline Mesh Component Licensee description: We often use spline mesh blueprints to generate organic art for us, like roots, trees, and r ...
Users project crashes when opening level that loads multiple sub-levels
UE - Foundation - Core - UObject - May 31, 2017Users project crashes when opening level that loads multiple sub-levels. Unable to reproduce this in a clean project so the users project is provided though Epic's box account (link is in the repro ...
Crash reimporting Skeletal Mesh that has an extremely high amount of LODs
Tools - Nov 14, 2017I have attached the project I used to repro this as well. All you should need to do is reimport twice on the untitled skeletal mesh and it should crash ...
Broken assignation of materials when merging meshes
UE - LD & Modeling - Modeling Tools - Mesh Editing - Jul 18, 2019See the following UDN for a good visual explanation of the bug: https://udn.unrealengine.com/questions/512811/view.html Seems like this was introduced around CL 5639656. ...
Empty Mesh Sections with MergeActors Tool
UE - World Creation - Worldbuilding Tools - HLOD - Sep 27, 2019Map Check will output the following error, which makes no sense: SM_FourCubes_1 - 1 element(s) with zero triangles in static mesh 'SM_FourCubes' ...
Playing as a Pawn that is a Duplicate of a Blueprint Class doesn't create an Attribute Set
UE - Gameplay - Oct 1, 2019Creating a duplicate of a Blueprint class that has an AttributeSet seems to be interfering with the creation of the AttributeSet. ...
Hotreload on c++ native actor component class will cause BP edit malfunctioned
UE - Gameplay - Blueprint - Jan 9, 2020[Image Removed] When the BP editor is opened, hot-reload compile will wrongly serialize a HORRELOAD_XXX object into the BP class and package which can not be found when Editor is opened again after ...