Unreal Engine Issues
Unreal Engine Issues
FBX animations generated under fractional framerates fail to import
UE - Anim - Runtime - Aug 24, 2022We now have the following error that is generated in FFbxImporter::ValidateAnimStackif (!FMath::IsNearlyZero(SubFrame, KINDA_SMALL_NUMBER) && !FMath::IsNearlyEqual(SubFrame, 1.0f, KINDA_SMALL_NUMBER ...
Optimize Data Layer runtime state replication
UE - World Creation - Worldbuilding Tools - Data Layers - Dec 7, 2023[Link Removed]This issue occurs only when I have a lot of RDLs (I tested 2500 and 1600). I tested with 6 RDLs and had no issuesI also noticed in the server log an error when a lot of RDLs are presen ...
Waking both of a constraint's rigidbodies re-enables collisions between constrained actors that were disabled by a Physics Constraint Actor
UE - Simulation - Physics - Solver - Apr 12, 2022Waking both of a constraint's rigidbodies re-enables collisions that were disabled by the physics constraint You can also get this issue to occur by either shooting the two cubes around a bit, or by ...
Editor preview safe zones for notched iPhones do not match those used at runtime
UE - Platform - Apple - Dec 4, 2020Hi, on iOS we ask the device for its cutout regions, but the values returned by the device can be overridden using the SafeZone.Landscape.* cvars. However these are on-device only settings. When th ...
LiDAR not importing colors correctly for .E57 Point Clouds
UE - Editor - Content Pipeline - Jan 6, 2023Reproduced 3/3 times, issue does not occur in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed Regression. LiDAR plugin is version .08 in UE5.0.3, and version 1.0 in UE5.1.0 ...
Navigating the Editor on Linux with a Wacom Tablet is difficult
UE - Platform - Linux - Sep 17, 2018Movement is quite sporadic and jumpy when using a Wacom Tablet to navigate the Editor on Linux. The Editor pans and zooms in and out really quickly with the slightest of movements. This was report ...
LandscapeStreamingProxy do not properly save z offset from world composition, level property.
UE - World Creation - Worldbuilding Tools - World Composition - Aug 21, 2018LandscapeStreamingProxy seems not properly saving z offset from level details when using world composition. It is reset to 0 when reopening the project. z position value from level details is saved. ...
IKRetargeting Skeletal Mesh Does Not Update Virtual Bones
UE - Anim - Rigging - Retargeting - May 20, 2022Occurs 5/5 times. Regression does not occur: UE5Manny Skeletons are new to UE5.0 ...
Engine crashes when building GPU Lightmass in large scenes
UE - Graphics Features - May 12, 2022Engine crashes when building GPU lightmass in larger scenes. This does not occur on smaller maps like the Unreal Engine Templates. I was able to reproduce this issue in CitySamples SmallCity map. T ...
UObjects returned from "Get Item Children" in a TreeView widget causes an engine crash, due to invalid pointers
UE - Foundation - Core - UObject - Jun 9, 2020UObjects returned from "Get Item Children" in a TreeView widget causes an engine crash, due to invalid pointers. User has proposed the following fix: The best fix is probably such: When Slate list ...