Linking Error Happens When Trying to Inherit From TextureRenderTarget2D in C++

Core - Jan 16, 2020

The engine has a linker error when trying to inherit from TextureRenderTarget2D. This seems related to https://jira.it.epicgames.net/browse/UE-5050. Found in 4.24.1 CL#10757647 Reproduced in 4.23 ...

Textures become darker on BSPs when converted to a Static Mesh using Baked Lighting

Tools - BSP - Jan 16, 2020

A BSP converted to a Static mesh shows a much darker texture material when built with Static/Baked lighting. This was reported and tested in 4.24.1 (CL-10757647). This was reproduced in 4.23.1 (CL ...

Inverted normals with Datasmith .STP import

Datasmith - Jan 15, 2020

When importing this .stp file through Datasmith, the normals are inverted upon import. Attached are screenshots of the normals in AutoDesk Alias and McNeel Rhino. This was reported and tested in 4 ...

OnAudioFinished doesn't execute when "Persist Across Level Transition" is enabled on "Create Sound 2D"

Audio - Jan 15, 2020

Custom Events with binding to "OnAudioFinished" do not work if "Persist across level transition" is set to true when using the "Create Sound 2D" node. This was reported and tested in 4.23.1 (CL-96 ...

Using ServerTravel <MapName> command with Seamless travel causes level blueprint logic to not run on client

Networking - Jan 14, 2020

When calling the ServerTravel command when using seamless travel, level blueprint logic is not being run on the client side.  NOTE: Adding a small delay (tested with .2 to 2 seconds) after the "B ...

All Vive Trackpad Inputs Send The Same Input

XR - Jan 13, 2020

The vive trackpad inputs all read as the same input. Found in 4.24.1 Reproduced in 4.25 Main ...

Exception crash when running Debug Game Configuration for a project installed on a different drive than Engine Installation

DevTools - Jan 13, 2020

Exception crash when running Debug Game Configuration for a project installed on a different drive than Engine Installation. ...

Origin Shifting Landscape crashes Render Thread

Tools - Landscape - Jan 10, 2020

Shifting the world origin with a landscape in the level causes a crash in the render thread. This does not crash in 4.23.1 (CL-9631420). This was reported and tested in 4.24.1 (CL-10757647) and rep ...

UMG Widgets containing child widgets that have bound animations fail to save

Tools - UMG - Jan 10, 2020

Adding a child widget that contains a bound animation to a separate widget blueprint results in failure to save. Working in 4.22.3 Tested in: 4.22.3 CL#7053642, 4.24.1 CL#10757647, 4.25 CL#108892 ...

Incorrect shadow on movable objects with ES3.1

Platform - Mobile - Jan 10, 2020

While in ES 3.1 - lighting on movable meshes from static directional light appears to be rotated 90 degrees. The direction of light on movable mesh, both static mesh and skeletal mesh, doesn't match ...