Unreal Engine Issues
Unreal Engine Issues
Crash While Compiling Blueprint in FBlueprintEditorUtils::RefreshExternalBlueprintDependencyNodes()
UE - Gameplay - Blueprint - Jun 7, 2016Having an actor blueprint (A) that contains an array variable of references to another actor (B) that is connected to a Length node and a Vector array that is connected to a ForEachLoop causes bluep ...
Exposure Metering Mode "Auto Exposure Basic" Disables Histogram Min/Max Control
UE - Graphics Features - Oct 11, 2018Auto Exposure Basic disables histogram min/max controls. Working as expected in 4.19 CL# 4033788 and 4.20 CL# 4369336 Found in 4.21 Preview 1 CL# 4435822 and 4.22 CL# 4448303 This is a regression ...
Setting KeepState as default in LevelSequences makes Sequencer blend animations not as expected
UE - Anim - Sequencer - Nov 27, 2018Setting "Keep State" for an animation in sequencer makes the sequence behave differently in Sequencer and in Play Mode. The animations appear to be blending together instead of having normal transit ...
Compile error when opening a project on child blueprint calling parent blueprint event
UE - Gameplay - Blueprint - Sep 8, 2015child blueprints calling functions from parent blueprints generate compile errors upon opening project and pressing compile within the child blueprint. Workaround: Open parent blueprint and comp ...
Cannot place static mesh in location if foliage mesh is already placed in same location
UE - World Creation - Worldbuilding Tools - Foliage - May 12, 2015If a foliage object is already placed in level at a location, it will delete any static mesh that is placed in the same location. ...
Changing the names of inputs in a collapsed graph can change connected inputs in other collapsed nodes
UE - Gameplay - Blueprint - Mar 15, 2015Changing the names of inputs in a collapsed graph can change connected inputs in other collapsed nodes. Reproduced in 4.7.2 binary and Main (//depot/UE4/Promotable-CL-2478413) ...
Local variables do not appear in the context menu inside collapsed graphs
UE - Gameplay - Blueprint - May 21, 2015Local variables do not appear in the context menu inside collapsed graphs. They can still be dragged into the graph. Reproduced in 4.8 Preview 3 and Main (//depot/UE4/Promotable-CL-2560501) ...
Trace Hit.Z varies strangely based on trace start/end Z
OLD - Anim - May 8, 2017The Z value of a trace hit will vary based on the Z value of the start/end points of the trace. The larger the start/end Z range, the larger the variance of Hit.Z values. ...
Realtime Rendering toggle disabled after using Cloth Painting
UE - Runtime - Deformable - Jul 29, 2021After finishing cloth painting, the ability to toggle Realtime Rendering in the viewport is greyed out. Additionally, the Disable Realtime Override button doesn't seem to have any effect. This probl ...
Adjusting Vegetation Growth for Bushes in Media Mode alters their global size settings
TM - Tools - Jun 25, 2026Reported in SF [Link Removed] When making adjustments to the Vegetation growth Season parameter inside Media Mode, if a scene contains Bushes then any adjustments to the Vegetation growth will adju ...