Unreal Engine Issues
Unreal Engine Issues
Updating Material does not update platform stats in derived Instance
UE - Rendering Architecture - Materials - Nov 26, 2024It would seem that updating a material does not update the associated platform stats in a material instance editor, only the parameters. Can workaround by manually invoking shader compile in the ma ...
If "Disable low latency update" is set to false for vive controllers a line trace appears to lag behind
UE - Platform - XR - Jun 29, 2016If "Disable low latency update" is set to false for vive controllers a line trace appears to lag behind the mesh of the vive controller. This makes it so that the line trace appears to bound and lag ...
When welding a procedural mesh component to a non-physics simulated static mesh that overlap they collide continuously
UE - Simulation - Physics - Jul 18, 2019When attaching a Procedural Mesh Component with a copied static mesh to a static mesh component the two meshes collide and "push" each other (go flying on play). Weld is to be used for simulated ph ...
Blueprint class's property is overridden by parent blueprint class
UE - Gameplay - Components - Nov 2, 2020I did some research. The problem is caused in CoreNative.cpp. In Function GetInstancedSubobject (Line 126) We should check if instance is runtime instance first. If it is runtime instance, just us ...
Selected tool using ScriptableTool might get closed when selecting an exposed property.
UE - Graphics Tools - Modeling Tools - May 21, 2024When using a created tool of the ScriptableTool plugin, and setting an InstanceEditable variable, the tool might get close. For this to happen, we need to have a ToolPropertySet attached to the too ...
Character jumping between two moving platforms will incorrectly inherit the sum of both platform velocities
UE - Gameplay - Player Movement - Nov 26, 2024A character standing in a base will match its velocity to the base's velocity. If that character jumps into another base its velocity will be added to the new base's velocity and the character will ...
UWorldPartitionSubsystem::IsStreamingCompleted returning the wrong query result when all cells and actors in location are in DataLayers
UE - World Creation - Worldbuilding Tools - World Partition - Jul 24, 2025Context: Data Layers is a system within World Partition used to organize Actors both in the Editor and at runtime. It allows for the user to dynamically load and unload layers in the Editor to help ...
Modifying ShooterGame header file for faster compiling causes crash behavior.
UE - Foundation - Core - Jan 11, 2019Using bFasterWithoutUnity and MinFilesUsingPrecompiledHeaderOverride, on ShooterGame.Build.Cs results in Engine crash. ...
Editor crash when using Animation BP pose watch
OLD - Anim - Apr 7, 2020We encountered a crash when using Anim BP Pose Watches to inspect poses on actors in a PIE instance. Specifically it seems ending the PIE session while the Anim BP is still watching the actor in the ...
In a listen server, when a client moves, anim notifies don't get fired for the server/host.
UE - Anim - Gameplay - Nov 14, 2022Reproduced 3/3 times. Was not able to reproduce in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed Regression. ...