Unreal Engine Issues
Unreal Engine Issues
Material Compile Error [SM5]
UE - Graphics Features - Jun 8, 2016There is an material compile error when using a TexCoord node shared between two Texture samples. The user provided a number of ways to work around the issue, but this issue becomes more problemati ...
Reimporting a skeletal mesh by dragging FBX to content browser crashes editor
Tools - Nov 12, 2015Reimporting a skeletal mesh by dragging FBX to content browser crashes the editor. I suspect something is wrong with the FBX. The user reported that the data is from Blender. FBX file attached for ...
Enabling Tonemapper via console command causes a black screen when Mobile HDR and Bloom are enabled on Android
UE - Platform - Mobile - Dec 7, 2018Enabling Tonemapper on Android with Mobile HDR and Bloom enabled causes the entire screen to go black, other than HUD and UMG elements. This seems to occur on older phones, as this occurred on a Ne ...
Begin and End Overlap events continuously trigger while a character moves within a collision component of a Blueprint Actor that Simulates Physics if the collision component has Auto Weld enabled
UE - Gameplay - Jun 29, 2015Begin and End Overlap events continuously trigger while a character moves within a collision component of a Blueprint Actor that Simulates Physics if the collision component has Auto Weld enabled. ...
Reflection looks much darker on Mobile Preview vs PC
UE - Graphics Features - Jan 13, 2021UPDATE: This is primarily due to the fact that it runs as Fullyrough on Mobile as long as a Constant 1 value was feed. Also on Mobile the FullyRough shading looks like simply remove all Highlights/R ...
Poses Asset UI doesn't update correctly when updating from new source animation
OLD - Anim - Jul 11, 2016If the user updates to a new Source Animation for a pose asset, while a pose was active in the viewport (weight set to 1.0), the pose will be set to 0.0 in the pose list even though it's still activ ...
Physics Constraint Actor Won't Disable Collision Between Two Actors That Are Already Colliding
UE - Simulation - Physics - Feb 17, 2020Meshes that are colliding that are set as constraint actors don't follow the Physics Constraint Actors "Disable Collision" parameter if they are colliding prior to being set as constrained actors. ...
IsSpatiallyLoaded = false set in actor blueprint is not respected in standalone game
UE - World Creation - Worldbuilding Tools - World Partition - Jul 1, 2024In past compatibility detection in FWorldPartitionClassDescRegistry::PrefetchClassDescs, as AssetRegistry.TryGetAssetPackageData returns UE::AssetRegistry::EExists::Unknown in standalone games, so t ...
Rect lights cause visual noise on the light rendered when using raytracing
UE - Graphics Features - Lumen - Nov 12, 2019Rect lights cause visual noise on the light rendered when using raytracing. It is easier to see when you get rid of all other light sources in the scene. I have attached an example project. This se ...
Using ServerTravel <MapName> command with Seamless travel causes level blueprint logic to not run on client
UE - Networking - Jan 14, 2020When calling the ServerTravel command when using seamless travel, level blueprint logic is not being run on the client side. NOTE: Adding a small delay (tested with .2 to 2 seconds) after the "B ...