Auto Wrap Text breaks inside of a ScaleBox

UE - Editor - UI Systems - Aug 22, 2018

Widget Elements within a scalebox  are inappropriately resized upon scaling. Tested in 4.19.2 (CL - 4033788), 4.20.2 (CL - 4306439), 4.21 (CL - 4305553) ...

Soft References resolved at Runtime result in References to Persistent Assets

UE - Gameplay - Aug 23, 2018

It is believed that soft references resolved during runtime, point to the edit time instances of actors instead of the runtime instances. This issue does not reproduce when it is called from an Inp ...

PIE gets stuck on infinite loop when Background Streaming is disabled

UE - Foundation - Core - Aug 24, 2018

When "Use Background Level Streaming" is disabled, the Editor gets stuck loading in PIE when you press Play. This is a regression from 4.19.2 (CL-4033788). This issue was reported and tested in 4.2 ...

Changes to RuntimeFloatCurves do not propagate to child BPs until the Editor is restarted

Tools - Aug 27, 2018

Any changes made to a RuntimeFloatCurve will not be propagated to child Blueprints until the Editor has been restarted. ...

UMG Children broken in Build packaged with Nativization

UE - Gameplay - Blueprint - Aug 28, 2018

Child widgets not visible when packaged with inclusive nativization on. "The problem is that ChildWidget never shows up in the package build, but shows fine in the editor. I've debugged the issue ...

Crash serializing LAN query response in OnlineSessionInterfaceSteam

UE - Networking - Aug 28, 2018

Server will crash in FOnlineSessionSteam::AppendSessionToPacket due to the OwningUserId being null. ...

Crash caused by Buffer Overread in TBitArray operator < function

UE - Foundation - Core - Aug 29, 2018

A licensee has reported a crash that is caused by a Buffer Overread in TBitArray's operator < function. While the licensee did not provide reproduction steps, the crash is apparent from looking at t ...

After loading a SubLevel from the PersistentLevel of WorldComposition, the offset of WorldComposition is applied when loading the SubLevel alone

UE - World Creation - Worldbuilding Tools - World Composition - Aug 30, 2018

When loading a Sub Level from the Persistent Level of World Composition, the offset of WorldComposition is applied when loading the Sub Level by itself. The offset can be applied repeatedly when rel ...

Modifying collision shapes on a Skeletal Mesh with multiple cloth assets crashes

UE - Simulation - Physics - Character - Aug 30, 2018

For skeletal meshes with multiple cloth assets in use, modifying any of the bone's collision body setup in the physics asset causes a crash.  ...

Actors in TMap Blueprint Properties are not copied properly for PIE

UE - Foundation - Core - Sep 4, 2018

Actors that reside in TMap blueprint variables refer to the Editor actors not the copied UEDPIE actors (that we'd expect) when accessed in PIE. This is not the case in standalone; this only occurs f ...