Unreal Engine Issues
Unreal Engine Issues
UAbilitySystemComponent's CurrentMontageStop() function does not use OverrideBlendOutTime Float Parameter.
UE - Gameplay - Jul 2, 2019In the attached example, the third person mannequin character's BeginPlay() runs an Ability_Task which starts an animation montage. In the task it is specified that the blend out time (BlendOutTime ...
Distance Field Artifact with Point/Spot Lights with Mesh scaled to 0 on XYZ
UE - Graphics Features - Apr 30, 2015When using a Spot/Point Light with Distance Fields enabled and a mesh that is scaled to 0 on the XYZ will result in artifacts. ...
Migration from 4.12.5 to 4.13 can result in Blueprint functions losing input/ouput variables
UE - Gameplay - Blueprint - Sep 5, 2016When migrating project from 4.12.5 to 4.13, Blueprint functions can lose input/output variable links. ...
Light min roughness set to 0 will create black artifacts on materials with negative roughness value
UE - Graphics Features - Aug 9, 2016Any light's min roughness setting creates black artifacts with materials who have a roughness value less than 0. The min roughness must be =< 0. ...
Modifying Notify Properties no longer updates the NotifyName in Blueprints with custom GetNotifyName function.
UE - Anim - Gameplay - Feb 13, 2025If after placing a notify on an anim sequence timeline you modify a property that is used in the GetNotifyName function of a blueprint notify in engine version previous to 5.5 (5.4.3 for example) th ...
Overridden Interface Functions in Child BPs lose array output pins after closing/reopening the project and become invalid
UE - Gameplay - Blueprint - Feb 7, 2015Overridden Interface Functions in Child BPs lose array output pins after closing/reopening the project and become invalid. Reproduced in Main //depot/UE4/Promotable-CL-2434822 ...
Blutility context menu popup shows all pins inside function
OLD - Anim - Jul 23, 2018ActorAction Blutilites are showing all pins inside a function. This does not happen with editor callable custom events. Also occurring in Main/4.21 CL #4221482 ...
Lighting not building in sublevels using Resave Packages
UE - Gameplay - Aug 17, 2018Licensee found that running the resavepackage commandlet that sublevels who's lighting was built were not saving the changes. ...
Removing a parameter from a blueprint function in a library can cause actor classes calling it to lose their parent or instance data
UE - Gameplay - Blueprint - Oct 4, 2018Compile errors caused by an actor calling a function with something hooked up to a removed parameter can cause that actor to lose it's place in the hierarchy. Typically, the actor will be fixed once ...
Construction script in parent blueprint calling function in child blueprint resets upon compiling child blueprint
UE - Gameplay - Blueprint - Apr 11, 2016If the construction script of a parent blueprint calls a function within a child of that parent in the construction script, compiling the child blueprint will cause the parent blueprint to incorrect ...