Unreal Engine Issues
Unreal Engine Issues
Project fails to build when the SQLite Amalgamation files are included in the project.
UE - Foundation - Core - Sep 27, 2018In 4.20, it is no longer possible to add the SQLite Almagamation files to a project. Attempting to build a project with these files added results in the build failing due to numerous errors about pr ...
MSAA Causes Black Outline with Atmospheric Fog in Forward Shading
UE - Graphics Features - Sep 28, 2018MSAA causes black aliased outline with Atmospheric Fog with Forward Shading enabled. This does not occur with TAA or FXAA. Also does not occur if there is a sky sphere present. Found in 4.19 CL# 40 ...
Ensure Occurs When Using Russian Letters In a Text Variables
UE - Gameplay - Oct 4, 2018The Editor will hang when using Russian characters for a text variable in a Blueprint. It seems to occur when using the character "л" is used. Only seems to occur once in a project. Found in 4.19 C ...
Max Draw Distance Can't Be Set Again Until Set Back to Default
Max draw distance cannot be changed to a higher value than it is first set, until you reset it back to default. Working as expected in 4.19 CL# 4033788 Found in 4.20 CL# 4369336, 4.21 CL# 4516095, ...
Duplicating a SetMaterialAttributes Node Causes Missing Attributes
UE - Rendering - Architecture - Materials - Nov 5, 2018Duplicate SetMaterialAttributes nodes will be missing attribute connections on the node itself, but in the properties tab they will show up. Found in 4.19 CL# 4033788, 4.20 CL# 4369336, 4.21 Previe ...
Custom Stencil Is Not Rendering In UI Materials
UE - Graphics Features - Nov 30, 2018Widgets with a UI Material that uses Custom Stencil will not render meshes with a set stencil. This is working as expected in 4.19 CL# 4033788. Found in 4.20 CL# 4369336, 4.21 CL# 4541578, and 4.22 ...
Changing Levels Does't Clear Global DistanceField
UE - Graphics Features - Dec 5, 2018In a packaged game or standalone, if you change map with DFAO enabled the previous DFAO will still be visible. This does not occur in PIE. Found in 4.19 CL# 4033788, 4.20 CL# 4369336, 4.21 CL# 4613 ...
AnimNode content is not applied during PIE when s.AsyncLoadingThreadEnabled is enabled
UE - Anim - Runtime - Anim Blueprints - Mar 16, 2026When the following setting is added to DefaultEngine.ini, the AnimNode content is not applied during PIE execution.[/Script/Engine.EditorStreamingSettings] s.AsyncLoadingThreadEnabled=True If the A ...
MIDIDeviceController.h causes compilation errors when included in an external module
UE - Audio - Jan 16, 2017When you attempt to access MIDIDeviceController.h in your own project, it'll fail when you include it. This is the main error, while the other is a syntax error: missing type specifier - int assume ...
Actor Class Reference can take invalid Value, can lead to crash
UE - Gameplay - Blueprint - Oct 4, 2017REGRESSION: Can be certain as this testing was blocked by [Link Removed] Through a specific chain of events (see repro), it's possible to have a non-actor as the value for an Actor Class Reference, ...