Unreal Engine Issues

Attaching New Camera Actor to Spring Arm Component does not set the Location Correctly

After adding a new Camera Actor Component within Blueprints to an existing Spring Arm Component, the Camera Component adopts the location settings , but does not set its location within the viewport ...

Float Curve evaluation may yield completely wrong results due to floating-point precision issue

Note: This is possibly related to [Link Removed]. For some inputs, function UE::Curves::WeightedEvalForTwoKeys() inside file "CurveEvaluation.cpp" can incorrectly return the value of the first key, ...

Behavior of Speed Up/Down parameter of Auto Exposure are different.

Brend/Swtch multi PostProcessVolume to handle Auto Exposure with same Speed Up/Down parameter but behavior of Speed Up/Down parameter of Auto Exposure are different. Scene with. Unbounded PostProce ...

Occasional 1-frame UMG render data corruption on Metal

Localization warnings when opening a new project in 4.8.1

There are a couple of warnings that show up in the output log that are dealing with localization when opening up a new project. ...

[Feature Request] Random number generators in UE4 have short periodicity.

Random generators in UE4 have a short periodicity. (FMath::Rand and RandomStream) I heard a xorshift variant has good characteristics. Could we consider importing it into UE4? [Image Removed] ...

UE 4.25.1 Offline Installer Display Error

[Image Removed] [Image Removed] ...

Niagara : incorrect rendering on D3D12 when rendering a very large number of meshes

The input argument of DrawIndirect for Niagara meshes, which is made by ComputeShader, may be invalid. This problem does not appear with -onethread command line option. ...

UMG property binding fixup for real numbers doesn't always work

For UMG delegates, we currently have a fixup pass that ensures that bound functions match the signature of the native delegate. However, the fixup appears to use the wrong function name, which cause ...

ShouldOnlyTriggerLastActionInChord only works for one action bound to a chord instead of any number