Unreal Engine Issues
Unreal Engine Issues
Default Values missing from Local Variables in Blueprint Actor Construction Script
UE - Gameplay - Sep 19, 2019Specific to the Blueprint Construction Script, Local Variables cannot have their value set in the Editor, because the "Default Value" section of the Details tab will never appear. This only affects ...
Lumen interior light leaking occurs with realistic sun Lux values (20k)
UE - Rendering - Graphics Features - Lumen - Aug 23, 2024When a realistic sun Lux value of 20,000 for the sun directional light, interior light leaking is much more pronounced then when using the default directional light Lux value of 10 Lux. ...
Toggling Material Layer visibility in Parent Material doesn't propagate to children
UE - Rendering - Architecture - Materials - Jun 9, 2026When Material layer visibility is toggled on the Parent Material in a Material hierarchy, only the Parent’s layer visibility is affected, the children are not. Saving the Parent material has no effe ...
VR Editor Taking Input From Wrong Controller in Foliage Painting.
UE - Editor - Workflow Systems - Nov 2, 2016When in Foliage Painting mode, the left trigger press causes the right controller to paint foliage instead of the left controller. This bug does not affect Landscaping or Mesh Painting. This is a r ...
(New) Capsule does not change in viewport to reflect new values entered in details Panel
UE - Gameplay - Player Movement - Sep 3, 2015Adding values in the details panel to a new Capsule Collision Component will not affect the Capsule in the CharacterBlueprint Viewport. *This only effects a new Capsule Collision added to a charact ...
Using construction script does not update 3D widget text
UE - Editor - UI Systems - Feb 20, 2017The construction script is not updating in the PIE when the text is set through that method, there is a current workaround to set it on event begin play. This issue affects the Text and Textbox comp ...
Crash when editing gameplay tag query in a structure
UE - Gameplay - Blueprint - Feb 20, 2017When I try to edit Gameplay tag query in a blueprint structure the editor crashes. Regression: No. This issue affects versions: 4.15, 4.14.3, 4.13.2 (Binary Versions) ...
Certain dropdowns in the Menu Bar are missing sections on Mac when expanded
UE - Platform - Apple - Apr 25, 2017This only affects certain dropdowns and only occurs when the editor is open. Also occurs in 4.15.2 This has been seen on the following macs:AMD R9 M395 iMac running Sierra 10.12.5 ...
Copy/paste of multiple components in attachment hierarchy distorts transform values
OLD - Enterprise - May 18, 2017When multiple components in an attachment hierarchy are copy and paste, the result is the new group has a distorted shape from the original. This issue may be related to [Link Removed] and is affec ...
Importing an Alembic File with "Skip Empty Frames at Start of Alembic Sequence" Enabled Causes Crash
OLD - Anim - Jul 13, 2018Importing an Alembic File with "Skip Empty Frames at the Start of Alembic Sequence" Enabled Causes Crash. Found in 4.20 Preview 5 CL# 4173640 and 4.21 CL# 4207835 ...