[CrashReport] Access violation - FLandscapeEditDataInterface::SetAlphaData()

UE - LD & Modeling - Terrain - Landscape - Jul 19, 2017

This is a common crash affecting users in 4.15 and 4.16. This callstack was previously linked to [Link Removed], but that had a specific repro case that was fixed in 4.14. Users are not providing ...

[CrashReport] UE4Editor-SlateCore.dylib!SWidget::FindChildGeometry(FGeometry const&, TSharedRef<SWidget,()

UE - Editor - UI Systems - Slate - Jul 20, 2017

This is a common crash affecting Mac users in 4.16, and going back at least to 4.11. This seems to be a continuation of [Link Removed], which was closed as cannot repro. User Descriptionswas looki ...

[CrashReport] Crash on Mac - UE4Editor-IOSTargetPlatform.dylib!FIOSDeviceHelper::DoDeviceConnect()

UE - Platform - Mobile - Jul 20, 2017

This is a common crash affecting Mac users on 4.16, it has occurred since at least 4.14. Users have not provided any descriptions. ...

Contact Shadow artifacts with ray lengths despite length

UE - Graphics Features - Nov 17, 2016

Contact Shadows have more shadowing errors with lower to mid values than in 4.13 release when the feature was still considered experimental. Even low Contact Shadow Length value is causing issues. ...

Reimport for a single FBX with multiple meshes will add all mesh pieces instead of the single mesh.

Tools - Nov 21, 2016

When using a single FBX with multiple meshes that is imported as individual meshes, if you reimport after updating only a single mesh or a few of them the entirety of FBX will be imported and added ...

Unable to Edit Default Struct Key of TMap

UE - Gameplay - Blueprint - Mar 15, 2017

In a TMap where the key is a struct, it is not possible to edit the default value of the struct. Found in 4.15.0 CL# 3299760. Reproduced in 4.16 Main CL# 3345747 ...

Yosemite users do not receive an "Unsupported version of OSX" message when opening 4.15 from the Epic Games Launcher

Portal - Jan 19, 2017

When trying to launch the Unreal Engine on OS X Yosemite form the Epic Games Launcher, the editor will not give a warning saying that the current version of OS X is not compatible. We were able t ...

Landscape Grass Foliage Instances Culling Incorrectly

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

Foliage instances are culling incorrectly and seem to cull based off of the landscape components and/or entire foliage clusters. Regression? Yes, this issue does not occur in the 4.14.3 binary rele ...

Ensure When Setting Simulate Physics of a Child Actor on the Server and Forcing NetUpdate

UE - Networking - Jan 5, 2017

An ensure is being triggered when you set simulate physics on a child actor on the server and then force net update. Found in 4.14.2 CL# 3241561. Reproduced in 4.16 Main CL#3247538 ...