Crash when using AActor::Rename to change the Outer of an actor to a SubLevel

Tools - Apr 6, 2018

Using AActor::Rename to change the Outer of an actor to a SubLevel will cause the editor to crash when the AActor is shown in the World Outliner. Regression?: Yes This does not happen in 4.18 but ...

[CrashReport] UE4Editor_Renderer!TSet<TTuple<UReflectionCaptureComponent const * __ptr64,FCaptureComponentSceneState>,TDefaultMapHashableKeyFuncs<UReflectionCapt set.h:629

UE - Graphics Features - Apr 6, 2018

No comments from users in crashgroup: 614 615 /** 616 * Finds an element with the given key in the set. 617 * @param Key - The key to search for. 618 ...

Android app fails to open when the date and time has been changed to a time zone that is offset by half an hour

UE - Platform - Mobile - Apr 6, 2018

Android app fails to open when the date and time has been changed to a time zone that is offset by half an our. For example setting the time zone to +4:30. will cause the app to no longer open. ...

Sampling Scene Texture in Custom Expression in Post Process Material Breaks Viewport UV

UE - Graphics Features - Apr 6, 2018

This issue does not occur in 4.18.3 but does occur in 4.19 and Main, making this a regression. Per user: I suspect there's an issue with custom expressions and sampling coordinates. It appears onc ...

Setting max undilated frame time to a negative value crashes the editor

UE - Gameplay - Apr 6, 2018

In the world settings of any level, changing the max undilated frame time to a negative number results in the editor crashing. ...

TimeSpan Variable to does not replicate

UE - Networking - Apr 6, 2018

The Timespan variable does not appear to replicate the changes to the variable to the client from the server (event with the Replication setting set to "Replicated"). In the example a float value ha ...

Half precision is not supported for OpenGL ES 3.1 Pixel Shaders

UE - Platform - Mobile - Apr 6, 2018

Fix the cross compiler so half precision is supportedAdd a project setting to specify the default precision to support on ES31. Be sure the shader version takes this setting into account. — User des ...

Cannot build Blueprint Function Library plugin for Mac and iOS

UE - Platform - Mobile - Apr 5, 2018

Trying to Build a Blueprint Function Library plugin for Mac and IOS fails for IOS. The error message indicates that it is looking for the UE4Game file, but it appears to be looking in the wrong fold ...

Graphic Artifacts on AMD GPUs When Mesh is Scaled to Large Size

UE - Graphics Features - Apr 5, 2018

This issue has been observed in 4.18.3 as well as 4.19. See attached screenshot showing scene from 4.18 on Nvidia, compare to attached GIF showing same scene on AMD card. ...

Perforce batch check-out of files with folders does not work correctly

Tools - Apr 5, 2018

Perforce's Batch check-in / check-out operations do not work correctly when trying to check-in / check-out a folder's contents as a direct asset (when selecting a folder and any other singular asset ...