Unreal Engine Issues

Contact Offset no longer appears to have an effect

When modifying the contact offset in a project it appears to have no effect. The setting that worked in a previous engine version (4.19) now collide in the same way as the default settings. ...

Toggling Vertex Colors on in Static Mesh Editor makes the viewport all white

When turning on the Vertex Color option in the static mesh editor, the whole viewport turns white. ...

Lighting channels are not supported with tiled lighting

Reported via UDN ...

Clearcoat shader disappears if any asset using the Material leaves lighting

Clearcoat Shader will stop receiving lighting information if any mesh assigned the material using the shader leaves lighting. Also Reproduced in Launcher 4.9 Preview 4, Main-CL-2660934 [Image Remo ...

OSVR does not consistently render to HMD if OSVR Server is not open prior to opening editor/cooked game

It seems like if OSVR_Server is not launched prior to opening the editor, vr-preview functionality will not work (even though the editor starts OSVR_Server at launch). Seems like server must be open ...

Interactive changes from In-Camera VFX widgets are not transacting to nDisplay until mouse is released

Stop using power of 2 RTs for landscape edit layers

Result : all the RTs allocated for edit layers (in global merge mode) will be padded to the next power of 2 for no good reason, which can lead to out-of-VRAM (as reported by [Link Removed]) ...

Apex Cloth LOD distortion occurs after World Origin Rebase

There is a distortion that occurs with Apex cloth when changing the World Origin location. This distortion occurs when you approach after the world origin has been changed. This issue is similar to ...

DataTable Vertical offset when using Windows scaling above 100%

If the windows scaling is set above 100% the rows in a data table will become misaligned as more members are added to the data table. Regression: Yes Did not occur in 4.17 - 3658906 Does occur in ...

"Pausing" A TimeSynth causes a crash

Clicking and holding anywhere on the editor outside the viewport when PIE causes a crash. The AudioRendering thread throws the following assert: Assertion failed: FreeClipIndex < PlayingClipsPool_Au ...