Unreal Engine Issues
Unreal Engine Issues
Video files do not play in scene after LaunchOn to iOS from Windows
UE - Platform - Mobile - Sep 30, 2016While attempting LaunchOn to an iOS device, the video and audio does not play. Attempts were made using the following video formats:mp4movavi Attempts were made using the following devices:iPhone 5 ...
Engine/Extras/MayaLiveLink not provided in install directory
OLD - Anim - Nov 19, 2018According to the Maya Live Link documentation, the zip file should be provided in the engine installation. https://docs.unrealengine.com/en-us/Engine/Animation/Live-Link-Plugin/Connecting-Unreal-Eng ...
Control Rig parameters don't function in the AnimBP after the Editor restarts
UE - Anim - Rigging - Control Rig - Jun 14, 2020Control Rig parameters don't function after editor restarts. Also the default values don't function and you need to use an input instead of directly editing the values of the pins. You can work aro ...
Cascade velocity aligned particles jitter when "use local space" is enabled
UE - Niagara - Sep 2, 2020Sprites in a particle system flicker/shake when use local space is combined with small velocity values and velocity aligned sprites. Reported and tested in versions 4.25.3(CL 13942748), 4.24.3(CL 1 ...
Crash when opening a project with Renderdoc plugin enabled while renderdoc is installed on the machine
UE - Graphics Features - Oct 6, 2020-The editor will crash when opening a project with the Renderdoc Plugin enabled while the user has Renderdoc installed on their machine. Uninstalling Renderdoc allows the project to open without cra ...
ContentExamples PhysicalAnimation hit reaction example does not react
Docs - Samples - Aug 11, 2015The Hit Reaction Physics Animation Blending example in the ContentExamples PhysicalAnimation map does not react to being clicked on. REGRESSION: Yes Worked: 4.8.3. Binary Broken: 2647674 ...
PCG crash when using Attribute Remove Duplicates on partitioned data if one of those sets of data is empty
UE - World Creation - Procedural Tools - PCG Graph - Jul 3, 2025Context: In PCG, the Attribute Remove Duplicates node can be used to remove duplicate attributes from an array. Problem: The licensee has observed that using the Attribute Remove Duplicates node ...
Crash When Material is Set to Deferred Decal with Emissive Decal Blend Mode and Forward Shading Enabled
UE - Graphics Features - Jan 25, 2019When Forward Shading is enabled, if you create a material with their properties setup with the following: Material Domain: Deferred Decal - Blend Mode: Translucent - Decal Blend Mode: Emissive T ...
Crash in persona editor when set postprocess animinstance using Linked Layer Anim to skeletal mesh
UE - Anim - Runtime - Anim Blueprints - Aug 29, 2023Crash when set PostProcessAnimBlueprint in persona editor. Related to [Link Removed], [Link Removed]. ...
Scene Color not Functioning when Used with HUD Blueprint
UE - Graphics Features - Mar 27, 2015I was not able use the 'Draw Material' node function in conjunction with 'SceneColor' within the HUD Blueprint. However, as soon as I deleted the 'SceneColor' node within the material editor, I was ...