Unreal Engine Issues

Fix MM node "Yaw From Animation Blend Rate" for skeleton with root bone rotated X or Y up

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

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 ...

COTF has issues with out-of-source projects

It is expected that cooking, including COTF, will fix-up all string asset references. There were a few reasons this wasn't happening, but we should get these fixes into 4.15 as the impact was worst ...

Ensure condition failed: PrimitiveComponent tried to render with Material MaterialInstanceDynamic, which was not present in the component's GetUsedMaterials results

Top 10 ensure in 4.15. There was a fix submitted for [Link Removed] which was verified as following those steps to reproduce no longer causes this. ...

Second player's screen does not render in Split Screen on Android

The second player's screen in a Split Screen multiplayer session on Android does not render. It remains completely black. This was also an issue prior to 4.15 but was fixed with [Link Removed]. The ...

[CrashReport] Assertion failed: TaskDataArray.Num() == Exporter->VolumetricLightmapTaskGuids.Num()

This is a trending crash coming out of the 4.18 Previews. Users have not provided any descriptions of their actions when the crash occurred, but at least two of the affected projects are being creat ...

Dirty Actors in WP lose their actor folder in the outliner (and cause warnings) on PIE

From Licensee: You can reproduce this in stock by doing the following:Make a new 5.1 project with a new WP map (it can be empty)Put some actors in some folders in the outliner and save them/reload ...

Unable to PIE + Crash after editing SColorGradingPicker

Changing Color Grading settings of a post process volume and using "Enter" to commit changes prevents the editor from entering PIE / Simulate mode with the error message "Can't Play In Editor / Simu ...

[CrashReport] Assertion failed: !PinRef->bWasTrashed | UEdGraphPin::SerializePin()

This is a common and longstanding crash that has occurred since at least 4.15 and affected nearly 500 users. The CrashGroup was previously linked to [Link Removed], but that had specific repro step ...

LogHttp:Warning: 0000024E4A050880 Response Header Content - Issue with the Survey

LogHTTP:Warnings are populating in the output log when the editor opens any project in 4.15.1 This is not occurring in //UE4/Main This is not occurring in 4.14.3 Marking as regression WarningsLo ...