Unreal Engine Issues

Linear interpolation occurs on constant tangent curve partially

When using UV scrolling for a flipbook-like animation in Animation Sequence, creating keys with "Constant Tangent" settings on Curve Editor does not result in an instantaneous change to the specifie ...

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 ...

ApplyLimits AnimGraph Node has incorrect functionality

In AnimNode_ApplyLimits.cpp the inputs for the ConstrainAngularRange function are going to the wrong rotator values. The XYZ of the node's input vec3 is being stored in YPR of the clamped rotator, w ...

Niagara Memory Leak in vertex buffer when increasing particle spawn rate on CPU sims

Increasing the spawn rate of a CPU particle sim will cause a memory leak in the vertex buffer.  ...

Custom Playback Range does not work for the Movie Render Queue in Shipping Builds

Install daydream app message does not always pop up if the user cancels the pop up a couple times

Install daydream app message does not always pop up if the user cancels the pop up a couple times ...

Possessing and Unpossessing a Pawn when using NetCulling causes the Client to lock up

In this test bench, they are using a APawn with a custom replicated Movement Component rather than using a ACharacter and they are getting a different result that ends up in a permanent softlock of ...

Upgrade View and Work range scripting functions precision from float to double

The view and work range scripting functions use float values for their seconds, which leads to precision issues, as these values are stored as doubles.  ...

Water not rendering in Movie Render Queue

It appears that MRQ does not actually add the pass that updates the Water Info Texture in the WaterZone actor. If the Skylight is set to "SLS Captured Scene" and does not capture every frame, then t ...

Instigator is no longer automatically set when spawning actors from blueprint

Actors that are spawned from blueprints will no longer have their instigator automatically set to the instigator that spawned them. This is a regression in 5.5, because in 5.4 and earlier a null Ins ...