Find Materials Does Not Import Materials for Alembic or Geometry Cache File

OLD - Anim - Jun 6, 2018

Alembic file materials do not import into the editor when Find Materials is selected. -Create Materials is also not creating materials for imported ABC asset. -Asset was created in Maya 2016, unwr ...

FDeferredDecalProxy cannot be initialized to not fade even if FadeDuration is set to 0

UE - Rendering Architecture - May 16, 2024

FDeferredDecalProxy always fade because InitializeFadingParameters is always called and leaves InvFadeDuration at 1.0 and the LifetimeAlpha calculation in FDeferredDecalPS::SetParameters gets a very ...

No lighting on client for Multiplayer shootout

UE - Networking - Jan 27, 2016

The client when connecting to a multiplayer shoot out match does not appear to have any lighting when using New Editor window ...

Matinee movie recording is broken in 4.10

Tools - Dec 18, 2015

When trying to record a movie from a matinee in 4.10, it can fail for a number of reasons: 1. The folder does not exist 2. The cinematic view modes do not take effect 3. Trying to record a streamin ...

Loops don't work with SimpleParallel BT composite node

UE - AI - Dec 16, 2014

Loop decorators don't work with SimpleParallel BT composite node. We need to either fix it, or if we remove support for it restrict users from putting these decorators on SimpleParallel's children. ...

Custom Mesh Component gives incorrect bounds

OLD - Anim - Jun 16, 2017

Custom Mesh Component > Get Component Bounds gives incorrect bounds > Box Extent User Description: [4.16.1] Using "Get Component Bounds" on a Custom mesh component gives unusual numbers for the Bo ...

RenderTrace fatal error, shader expected a uniform buffer at slot 1...

UE - Rendering Architecture - Mar 4, 2024

RenderTrace plugin does not appear to have been updated for a change that moved the GPUScene out of the View buffer to its own uniform buffer. (CL 24027890) The test project is based on FirstPerson ...

Landscape Grass Tool loss of Performance

UE - World Creation - Worldbuilding Tools - Foliage - Mar 20, 2017

A number of users are reporting a large drop in performance when working with the landscape grass tool compared to other foliage application methods, as well as a drop in performance since previous ...

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

UE - Graphics Features - Aug 10, 2017

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: SEGV_MAPERR at 0x3 Most recent us ...

Absolute World Position in PP Material Returns Incorrect Values if r.ScreenPercentage is different from 100

UE - Graphics Features - Apr 3, 2018

Unable to repro in new project, so attaching sample project provided by licensee: When r.screenpercentage is different from 100 (50 or 150 for example), the absolute world position in a post-proces ...