Unreal Engine Issues

[Legacy][FBX] Animation curves are not added to the skeleton anymore

FNiagaraScalabilityManager incorrectly reactivates a NiagaraComponent that was deactivated by runtime user code

Context: The Niagara System is the primary tool to do visual effects inside Unreal. Niagara systems can be culled due to distance. Problem: Once a deactivated Niagara System is culled due to distan ...

Patterns On Landscape Spline Normals

On higher-density Landscapes, Landscape Splines can lead to patterned artifacts in the geometry normals. Also tested on //UE/Release-5.6, CL:45232827 ...

Cached State Machine is re-initialized whenever cached pose is referenced

This may not be an expected use of state machines, but it is becoming a showstopper for a couple of users. These user's are caching their locomotion state machine and then using a second state mach ...

Duplicating meshes in blueprint improperly place transform widget and initially does not appear in viewport

If a mesh is duplicated within a blueprint components panel, it will be invisible in the viewport, the transform widget will incorrectly align itself and refrain from moving, and if the transform wi ...

Upgrading a project from a binary Engine to one built from source code does not keep the solution configuration and solution platform settings in Visual Studio.

Upgrading a code project created in a binary Engine version to an Engine built from source code results in the solution configuration and solution platform in Visual Studio being set to Debug and Wi ...

PakBlacklist does not seem to be excluding files properly

The pak-blacklist files do not seem to be working fully. While some of the files may be excluded Engine/Content/Slate files are staying behind, which can be seen once you've used UnrealPak ...

Level Streaming Blocking Loads Do Not Work

It is believed that If Should Block On Load is TRUE, the entire game should freeze up until the entire level is loaded. Then If Should Block On Load is FALSE, the game continues to play while the le ...

Engine Crashes When Trying to Add an Entry to a TMap in a Nested Struct That is an Element of an Array

When trying to add an entry to a TMap in a nested struct that is an element of an array the engine crashes. This doesn't happen if it is not an array of the nested struct. Attached are .h and .cpp ...

Changing "Coordinate Light Map Index" When "Generate Lightmap UVs" Is Enabled In A Static Mesh Crashes Engine

When altering "Coordinate Light Map Index" in a static mesh when "Generate Lightmap UVs" is enabled in LOD 0 the engine will crash or "Coordinate Light Map Index" will be set to 0. A demonstration ...