Unreal Engine Issues

UMG widget callbacks do not set PIE context in editor

This is from a UDN post. Several gameplay functions, such as level streaming and SoftObjectPtr resolution, depend on the GPlayInEditorID being set when that code is executed in PIE in the editor. T ...

Enabling Preview Rendering Level Mobile GLES3.1 on Map With Vector Fields Results in Editor Crash

Reproduced Crash on 4.18.3, 4.19.2, and Main CL 4081612. Licensee states: Based on a quick inspection of the code, it seems FVectorFieldVisualizationVertexFactory::ShouldCache() returns false (req ...

[Feature Request] Ios application default orientation.

Many landscape apps have the long side on the left side down, but UE4 defaults to the lower long side on the right side. I thought it would be nice to have an option to change the default orientati ...

Incorrect render target index assignment in GLSLBackend

While investigating [Link Removed], I have found that GLSLBackend always automatically generates render target location indices, regardless of user-specified ones via SV_TargetX HLSL semantics. Rel ...

Adding a section with mesh editor mode lead to a staticmesh editor crash

Stereo layer appears to move when used with the Oculus Rift

Stereo layer appears to move/slide as the player moves the HMD from side to side when using the world locked setting for the stereo layer. ...

Foliage: when applying a scale to either painted instance or spawned from a procedural volume the LOD do not take it into consideration

when applying a scale to either painted instance or spawned from a procedural volume the LOD do not take it into consideration resulting in LOD transition that is not equivalent to the one from a st ...

Android app will get crashed if it disable HDR and run with Vulkan API

The backtrace is： F/DEBUG   : backtrace: F/DEBUG   :     #00 pc 00070e22  /vendor/lib/hw/vulkan.msm8994.so (A4xCommandBuffer::HwProcessWorkload(QglWorkload*)+585) F/DEBUG   :     #01 pc 0004758d  / ...

Mobile Temporal AA is broken

Expectaton: Temporal AA should work on Mobile ...

Cannot package a Client version of a project in UFE when using VS 2017

Trying to package a Client version of a project using Visual Studio 2017 currently fails. Packaging a Client version of a project using Visual Studio 2015 completes successfully. Alternate Steps to ...