Unreal Engine Issues
Unreal Engine Issues
Material Parameter Collections are not working on Android v 5 phones from 4.11
UE - Platform - Mobile - Feb 9, 2016Material Parameter Collections are not successfully passing stored values into Materials when packaged for an Android Phone with an OS version of 5. Both version 4 and 6, correctly use the MPC.Test ...
Dynamic point lights generate shader compile errors on HTML5
UE - Platform - Mobile - Aug 20, 2015The new ES2 movable point lights look promising. Unfortunately, there seems to be an issue with them in HTML5 builds. They work great in the ES2 preview mode in the editor, but when running in an ac ...
Forward Rendering Lightmap Density view flicker
UE - Graphics Features - Aug 20, 2019The shaders flicker when in Lightmap Density viewmode after enabling Instanced Stereo Rendering in Project Settings > Engine > Rendering > VR Tested in 4.21.2 (CL - 4753647) 4.22.3 (CL - 7053647), ...
Replicated Movement doesn't replicate itself to all clients on Dedicated Server
UE - Simulation - Physics - Jul 31, 2018This is a regression from 4.19.2 (CL-4033788). The pawns aren't replicating their own movement on their clients, but they are replicating on the clients of other pawns. This was reported and teste ...
Crash occurs when using Random Node and Branch within Sound Cue
UE - Audio - Aug 22, 2016A crash occurs when playing a Sound Cue with Random node used in conjunction with a Branch node. In the original report the user specifically mentions the crash does not occur if you have not opene ...
Assigning APX Cloth asset to material element
UE - Simulation - Physics - Character - Jun 17, 2016When assigning an imported apx file to the clothing drop down under the material element of this imported Skeletal Mesh will result in a crash. Tested in: 4.11.2 CL-2946394 4.12.3 CL-3013449 Dev ...
Crash with Particle system using Beam data
UE - Graphics Features - Jan 26, 2016Attached to this ticket is a project with an asset that uses a beam type that is causing a crash when trying to open the asset in 4.11 and 4.12 (MAIN). When trying to recreate the asset there is no ...
Importing multiple SpeedTree assets that use the same texture will not assign correctly
UE - Graphics Features - Sep 25, 2015When importing multiple SpeedTree assets that use the same material will cause one to import blank (black) materials and assigned. This happens when importing into the same folder, however, if impor ...
AI characters with Navigation Invokers that are spawned during Play do not generate a nav mesh around them if Runtime Generation is set to Dynamic Modifiers Only
UE - AI - Sep 17, 2015With Generate Navigation Only Around Navigation Invokers enabled and Runtime Generation set to Dynamic Modifiers Only, AI characters with Navigation Invokers do not generate a nav mesh around them i ...
[Interchange][gltf] Imported animation are all 1 frame long.
UE - Editor - Content Pipeline - Import and Export - Jan 27, 2025All the imported animation only contain one frame. If the file contains in archive are imported in a gltf web viewer we can see animation are playing. [Link Removed] [Link Removed] https://foru ...