Multi-Material Assets lose ability to assign individual actor Material Elements if one element has a Dynamic Material Assigned

UE - Gameplay - Blueprint - Jan 25, 2016

When you have a multi-material mesh assigned to a blueprint in which one of the material elements is set to a Dynamic Material via the Construction Script, you lose the ability to set teh other elem ...

SkyLight makes level entire green on Android devices

UE - Platform - Mobile - Aug 10, 2016

https://udn.unrealengine.com/questions/305453/skylight-makes-our-level-entire-green.html Licensee was seeing this only on this device: SM-G906S Android 5.0.1 Adding glFlush call in CaptureSceneToS ...

FAssetRegistry::SaveRegistryData fails check on redirected umaps

Tools - Feb 22, 2017

When FAssetRegistry::SaveRegistryData() is invoked for a umap redirector it will fail the check check(!bIsMap || (InDependencyType == EAssetRegistryDependencyType::Soft)); Because the redirector ...

Nullptr dereference in FHeadMountedDisplay::UpdateSplashScreen()

UE - Platform - XR - Apr 5, 2017

A customer has had problems running a game with a splash screen when passing -game flag to the editor. UpdateSpashScreen will call GetCurrentFrame, which can return a nullptr but fails to verify it ...

BP - Nativization will fail at cook time if a BP class and a User-Defined Structure reference each other.

UE - Gameplay - Blueprint - Apr 20, 2017

Note: This happens with "Exclusive" nativization mode as well. This occurs because the nativized UDS 'GetDefaultValue()' method is generated into a .h file rather than a .cpp file. This creates a c ...

[CrashReport] Ongoing CollectGarbageInternal() assertion in 4.17

Tools - Aug 22, 2017

This callstack is occurring in 4.17.0 and 4.17.1, and appears to be a continuation of [Link Removed], which was fixed in 4.16.2 with CL 3502786. I'm not re-opening [Link Removed] because there are ...

Color and Opacity animation option does not play for Button component

UE - Editor - UI Systems - Aug 25, 2017

Color and Opacity animation option does not play for Button component, this occurs both in the Widget editor and during play. This issue is not a regression Versions Tested: 4.16.3 - CL: 3561208 - ...

Game view cannot be changed in Orthographic view

Tools - Sep 29, 2017

The Game view cannot be changed in Orthographic view despite that the Orthographic views can be affected by the game view options. This issue does not appear to be a regression. Versions Tested: Is ...

Blueprint fails to compile after adding local map variable element

UE - Gameplay - Blueprint - Oct 11, 2017

When a map is added as a local variable for a blueprint function, the blueprint will failt o compile. Regression: No, same behavior occurs in 4.16.3 Workaround: Setting the key/value pair to int/i ...

Sine Wave audio plays choppy in editor

UE - Audio - Dec 4, 2017

Playing a sine wave as an audio sample in the editor produces a choppy sound when it does not outside of the editor. This issue does not appear to be a regression. Versions Tested: Issue occurs in ...