Unreal Engine Issues
Unreal Engine Issues
Niagara module "Beam Emitter Setup" makes attribute Emitter.BeamID flick between -1 and LoopCount every frame
UE - Rendering - Architecture - Niagara - Mar 6, 2026When working with beam and ribbon effects in Niagara, Emitter.BeamID is used to fill Particles.RibbonID so that a looping emitter can spawn multiple discrete beams. Emitter.BeamID is assigned by mod ...
Events on frame 0 fire twice
UE - Anim - Sequencer - Jan 17, 2017Regression - does not occur in 4.13.2 or 4.14.3 Does occur in Dev-Sequencer ...
Hot reloading newly created C++ project compiles modules
UE - Foundation - Core - Apr 25, 2017This is a regression from 4.15.2 and occurs on both Windows and Mac. Affects both Binary and Github builds. ...
Crash Occurs When Retargeting Mannequin Skeleton to Daz Studio Skeleton
OLD - Anim - May 8, 2018Crash occurs when the mannequin skeleton is retargeted to the Daz skeleton Does not occur in 4.18.3 ...
Copy Pose From Mesh Node Does Not Preview in Sequencer
OLD - Anim - Jun 13, 2018Copy Pose From Mesh node does not affect the animation when previewing in Sequencer. This works when played in the editor. ...
Console is off screen in VR preview when windows scaling is set to 150% or above
UE - Platform - XR - Jun 29, 2018Windows scaling appears to affect the HMD if the project is open on a screen with window scaling being used. ...
Significant editor slowdowns when moving blueprinted actors while having a different complex blueprint open
UE - Framework - Blueprint Editor - Jun 7, 2021A Blueprinted actor's construction script time can be affected by the complexity of an opened level Blueprint. ...
Quest: Web browser widget does not render
UE - Platform - XR - Jan 21, 2021This DOES NOT work with ANDROID ES 3.1 This DOES work with ANDROID Vulkan So this SHOULD work with Quest Vulkan ...
Documentation button redirects to 404 error page in Match3
UE - Platform - Mobile - Aug 23, 2016The documentation button does not redirect to the correct documentation page. Tested on iPhone6S_6240 OS: 9.3.4 ...
Blueprint needs to be compiled if another blueprint sharing an interface is compiled
UE - Gameplay - Blueprint - Aug 29, 2017Blueprint needs to be compiled if another blueprint sharing an interface is compiled Regression: This does not happen in 4.16 ...