Unreal Engine Issues
Unreal Engine Issues
FCollisionProfileNameCustomization doesn't support Multiple Values
UE - Editor - Applied Usability - Aug 16, 2023The class FcollisionProfileNameCustomization customizes the property editor for the class FcollisionProfileName. However, it does not handle the case where multiple assets/actors are being edited si ...
Particles: SetFloatParameter not always having an effect
UE - Graphics Features - Oct 7, 2015A licensee is trying to use Distribution Float Particle Parameters for the Noise properties of a Beam Particle. When trying to change these parameters in a Blueprint, some work, others don't. When ...
[Datasmith] [Sketchup] Material maps wrong when using colors or applying materials directly to grouped object
UE - Editor - Content Pipeline - Datasmith - Exporters - Sep 30, 2019The problem occurs when a material gets added to a group inside sketchup directly instead of individual faces before grouping. The materials that are just colors are doing the same thing. This was ...
Gameplay Effects can hold stale references to GameplayTags when switching Gameplay Effect Component type
UE - Gameplay - Gameplay Ability System - Jan 9, 2024Gameplay Effects can hold stale references to Gameplay Tags when the adding component is switched for a different type. The tags are serialised, and their presence can be confirmed with Reference Vi ...
Matinee doesn't display animated SkeletalMesh if its origin is out of view
UE - Anim - Sequencer - Jan 23, 2015From 8/17/16 Tools sync: This is probably also happening in Sequencer. Think Sequencer should just auto-set this flag. ----------------------------------- If a SkeletalMesh actor is placed beyond v ...
Reproducible softlock on iOS
UE - Platform - Apple - Jul 18, 2023After performing the repro steps, screen will softlock unless you perform the "slide from 3 to 4, then back to 3" steps. Appears to be an iOS system bug, but see if we can find a workaround. ...
Server RPC with struct param containing class reference does not pass parameter
UE - Networking - Apr 2, 2018Class ref is not passed to server within the struct in UE 4.19. Instead, the default value is passed to the server. LogNetPackageMap: Warning: SanityCheckExport: CacheObject == NULL. NetGUID: 1, Ob ...
Reflection Captures permanently unload with world streaming
UE - Graphics Features - Jul 19, 2024When a reflection capture is unloaded due to streaming, it cannot be reloaded when the player returns to that area in the world because FReflectionCaptureData::OnDataUploadedToGPUFinal deletes the C ...
Incorrect restitution behavior for physical material set to 1 whereby momentum is gained during the simulation
UE - Simulation - Physics - Mar 24, 2015Setting a restitution of 1 for a ground material and a restitution of 1 for a ball that bounces on the ground should keep the ball bouncing at the same height consecutively. Over the course of time ...
Incorrect number of vertices displayed by ProfileGPU command in Cascade particles
UE - Niagara - Dec 9, 2021This issue was reported by the licensee, but it's possible that the number of vertices in the particles is higher than it really is. ...