Error maximum ps_5_0 sampler register index (16) exceeded on some materials in InfiltratorForward

UE - Graphics Features - Dec 13, 2016

Certain materials no longer compile in InfiltratorForward with Forward Shading enabled. These materials were not having this compile issue in //UE4/Main @ CL - 3231640 which is the CL before Dev-Ren ...

Editor crash when enabling Distance Field AO Visualization in the Forward Renderer

UE - Graphics Features - Jan 9, 2017

When forward rendering is enabled along with Mesh Distance Fields if you go to visualize Distance Field AO in the main viewport the editor will crash. This only affects the Forward Render and works ...

Nativize BP Package fails when using Sub Anim Instance with exposed variables

OLD - Anim - Jun 26, 2017

When using exposed variables on Sub Anim Instance nodes, packaging with nativize blueprints fails Tested on: 4.15 - 3450819 4.16 - 3466753 4.17 - 3502710 ...

Play rate affects all blendspace samples using the same Anim Sequence

OLD - Anim - Jun 27, 2017

Play rate affects all blendspace samples using the same Anim Sequence Occurs on? 4.15 - 3450819 - YES 4.16 - 3466753 - YES 4.17 - 3502710 - YES ...

Copying a socket to another skeleton adds a "_0" suffix

OLD - Anim - Jun 28, 2017

Copying a socket to another skeleton adds a "_0" suffix Occurs on? 4.15 - 3450819 - YES 4.16 - 3466753 - YES 4.17 - CL#3512142 - YES ...

Array of Instanced Objects on Component Does Not Propagate to Children Correctly

UE - Foundation - Core - UObject - Jun 6, 2017

Attempting to add an entry to an array of instanced objects is not correctly displaying that entry in a child class based on that actor. It is expected that the inherited component in the child acto ...

GPU specific issue with Lighting while moving - GTX 770

UE - Graphics Features - Apr 26, 2017

While testing GPU - ContentExamples - Lighting - Nvidia gtx 770 in the 4.16 GPU Compat Pass, I noticed a strange effect on lights while the player is in motion. I've had multiple people attempt to ...

[CrashReport] Mac crash - UE4Editor-Slate.dylib!PrepassWindowAndChildren(TSharedRef<SWindow, (ESPMode)0>)

UE - Platform - Apple - Oct 27, 2017

This Mac crash originally occurred in 4.15 around March 2017, then decreased in frequency during 4.16 and 4.17. It may be starting to trend again in 4.18. There is one record of this occurring in 4 ...

[CrashReport] FSlateRHIRenderer::ConditionalResizeViewport()

Tools - Jul 27, 2017

This is a common crash occurring on Windows and Mac in 4.15 and 4.16 (two different callstacks with close similarities). The callstack is also similar to [Link Removed] and may be related. User D ...

Attached Project Crashing on Play When Using World Origin Rebasing with World Composition

UE - Simulation - Physics - Apr 18, 2017

The editor is crashing in the attached project on PIE when World Origin Rebasing is enabled. According to the user, this did not occur in 4.13, but I was unable to test any further back than 4.15, a ...