Raytraced reflection doesn't work with high roughness

UE - Graphics Features - Lumen - Oct 30, 2020

Even when the max roughness for raytraced reflections is set to 1, they seem to be blended away at far below that value. For projects (e.g. film,vfx) where quality trumps speed it would be valuable ...

GamePad input commands for multiplayer all send to player 1

UE - Gameplay - Input - Nov 20, 2014

When setup for multiplayer, all players are able to move around and control the camera with the analog sticks but button presses of all controllers only affect player 1. ...

Skeletal meshes are not simulating physics

UE - Simulation - Physics - Feb 6, 2017

Skeletal meshes do not simulate physics when playing in viewport. They are not affected by gravity, nor do they ragdoll. This doesn't occur in UE4/Main. This occurs with Immediate Mode Physics of ...

Some components duplicated by Sequence Recorder

UE - Anim - Sequencer - Feb 23, 2017

Some components duplicated by Sequence Recorder Regression: YES Worked: 3249277 (4.14.3) Broken: 3299760 (4.15.0) ...

When changing Select Node index pin from boolean to int/byte options do not update

UE - Gameplay - Blueprint Editor - May 4, 2017

When changing from boolean to Integer/Byte the select nodes options are not changed to Option 0/Option 1 and instead are left as False/True ...

BinnedMalloc and BinnedMalloc2 performance on Linux is not good

UE - Foundation - Core - Jun 8, 2017

This test took 13 seconds using Binned2 and 10 seconds using Binned1. It took 0.06 seconds using jemalloc ...

[CrashReport] UE4Editor-MetalRHI.dylib!FMetalVertexBuffer::FMetalVertexBuffer()

UE - Graphics Features - Jul 25, 2017

This is a common Mac crash that has affected users since at least 4.14. Unfortunately users have not provided any descriptions of their actions when the crash occurred. ...

Data Tables can no longer import numeric enum values

Tools - Nov 1, 2017

Some changes to UEnumProperty::ImportText_Internal prevent this importing the stringified number (which is a float) as an enum value. This affects the JSON importer, and maybe the CSV one too. ...

Typo in Tick Interval tooltip inside task blueprints

UE - AI - May 28, 2020

The BTTask_BlueprintBase class has a type in the tooltip for Tick Interval: " /** If any of the Tick functions is implemented, how ofter should they be ticked.Values < 0 mean 'every tick'. */" ...

Example 1.3: Constraint Profiles animation not working in ContentExamples

UE - Content - Content Example - Mar 25, 2022

This bug does not occur in //UE5/Release-5.0-EarlyAccess or in Release-4.27 making it a regression.  This also occurs in //UE5/Main  ...