Replay System throws an Ensure during demoplay when calling it in a different Level

UE - Networking - Jul 10, 2019

Replay System throws an Ensure during demoplay when calling it in a different Level. The error is thrown at Source\Runtime\Engine\Private\RepLayout.cpp]. It does not prevent the Replay from being pl ...

Slowly Scaling Widgets reveals a slight jitter

UE - Editor - UI Systems - Jul 9, 2019

When scaling a widget slowly it appears to have a slight jerkiness as it is resized ...

Multiple keys with the same value appear to be removed on Android for a Curve Table

UE - Gameplay - Components - Jul 8, 2019

When using a curve table on android it appears that keys with duplicate values are removed. Link: [Link Removed] ...

DisplayThumbnail doesn't work with TArray

Tools - Jul 8, 2019

The DisplayThumbnail metadata UProperty specifier does not work on TArrays with the type of FSoftObjectPath. Tested in 4.21.2 (CL - 4753647), 4.22.3 (CL - 7053647), 4.23 (CL - 7224811), 4.24 (CL - ...

Crash when using VR Mode with Extra Viewports and a Camera Actor

UE - Editor - Workflow Systems - Jul 6, 2019

From User: "Normally UE4 has an "Eject" button which is great for live-debugging your app, because you can see everything that's happening in your world, and see the World Outliner in realtime whil ...

Unnativized BP function fails to return a valid reference to a component when the calling BP is nativized

UE - Gameplay - Jul 5, 2019

The nativized spawner receives an invalid reference from the non nativized actor and fails silently meaning the variable doesn't get set. Additional info: This issue happens when using a pure and n ...

Unable to create derived classes of UPostProcessComponent

UE - Graphics Features - Jul 5, 2019

Using the Super functions for OnRegister, OnUnregister, Serialize when defining their functionality in a derived class of UPostProcessComponent causes a linker error. Tested in 4.21.2 (CL - 4753647 ...

Motion Blur Applied Incorrectly in Ortho SceneCapture2D

UE - Graphics Features - Jul 5, 2019

Motion Blur is applied incorrectly in a SceneCapture2D set to orthographic perspective. Works as expected in 4.21 CL# 4753647 Found in 4.22 CL# 7053642, 4.23 CL# 7208101, and 4.24 CL# 7223946 Thi ...

Set Skeletal Mesh does not replicate or multicast to Clients

UE - Networking - Jul 5, 2019

The Set Skeletal Mesh function does not replicate or multicast to other Clients. In Setup A (Level Blueprint) only the Sever Character is changed on either the Client or Server. In Setup B (ThirdPer ...

Folders beginning with two periods are incorrectly collapsed by FPaths::CollapseRelativeDirectories

UE - Foundation - Core - Jul 3, 2019

The Function FPaths::CollapseRelativeDirectories assumes that any instance of the characters "/.." are a relative path to the parent directory, and removes them along with the preceding directory. H ...