Crash when a nested widget is set to "Force Slow Construction Path"

UE - Editor - UI Systems - May 25, 2018

Does not occur if the root widget also disables the fast path. As a result, the current workaround is to ensure that the fast construction path is also disabled on the parent widget by making sure ...

Variable name type for T Map does not take into account name length

Tools - May 24, 2018

The drop down in the details panel for a t-map does not appear to take into account the length/size of the name of variable type and this can lead to the name being longer than the button used for t ...

Planar reflections move up and down while reflective surface rotates

UE - Graphics Features - May 24, 2018

Whenever you have an actor on top of a reflective surface while its moving the reflection will display inaccurately as if the object is moving away or toward the reflective surface. Found in 4.19 C ...

All folders in the World outliner open up when Playing in editor with multiple players

Tools - May 24, 2018

When playing in the editor with multiple players, the folders in the world outliner open up. ...

Cannot run a packaged project if the project uses a Built-In Editor plugin and the project was packaged with the Build setting set to "Never"

UE - Foundation - Core - May 24, 2018

This may be related to [Link Removed]. A packaged project will fail to run successfully if the project includes a Built-In Editor plugin and the project was packaged with the Build option set to "N ...

Phones with no magnetometer -> GetInputMotionState returns all 0s

UE - Platform - Mobile - May 23, 2018

Bug submission from a user overseas: " On some devices (Moto G5 Plus, Moto G5 S Plus) the values are always 0 like : Tilt : 0.00.00.0 RotationRate : 0.00.00.0 Gravity : 0.00.00.0 Accleration : 0.00 ...

Networked voice starts before local player is registered

UE - Networking - May 23, 2018

The voice engine starts before it is ready. FOnlineVoiceImpl::StartNetworkedVoice is called prior to VoiceEngine->RegisterLocalTalker() in FOnlineVoiceImpl::RegisterLocalTalker(). This leads to the ...

Assertion failed: UnscaledViewRect.Width() > 0

Tools - May 23, 2018

Crash when using new FCanvasDrawer Licencee notes that crash does not occur if "new FCanvasDrawer" is commented out. ...

Light Shafts Flicker in 4.19 compared to 4.18

UE - Graphics Features - May 22, 2018

Per Licensee: We have noticed that the volumetric light shafts have become much more "flickery" and unstable compared to 4.18.3. This is visible in just the empty project with an unmodified engine. ...

Cannot edit properties for a component inherited from a code class if the component's default subobject was created using a string that matches the variable name of a component in a parent code class

UE - Gameplay - May 18, 2018

It is not possible to edit the properties in the Details panel inside the Blueprint editor for a component inherited from the parent code class, if the default subobject for that component was creat ...