Launching a specific UDN Project with Vulkan Support enabled crashes launching on Quest

UE - Platform - XR - Jul 30, 2020

When attempting to run the attached Project submitted from UDN, it will crash on launch. If Vulkan support is disabled, the Project will run as expected on Quest. This issue DOES NOT appear to repro ...

fbx level exporter have a hard coded show dialog options.

UE - Editor - Content Pipeline - Import and Export - Jul 30, 2020

Number containers do not correctly parse equations

Tools - Jul 30, 2020

In C++, arithmetic operators * and / have the same priority and therefore should be resolved left to right. In this case, * is being resolved first and / second. 1/128*128 and (1/128)*128 should p ...

Output warning log message for loading source texture of paper2D in Editor.

UE - Gameplay - Paper2D - Jul 30, 2020

Outputs a warning log for loading source texture when Papaer2D is loaded in Editor.  This may be due to a conflict post load of Paper2D and load source texture.  The warning log is output only in  ...

FBX exporting from Sequencer is inconsistent when both an object and one of its components have a transform track

UE - Anim - Sequencer - Jul 30, 2020

When both an object and one of its components have transform tracks, exporting to an FBX will have inconsistent results.  ...

"ShowFlag.InstancedFoliage 0" hides HISMC

UE - World Creation - Worldbuilding Tools - Foliage - Jul 29, 2020

Hierarchical Instanced Static Mesh components that contain no foliage are disappearing when ShowFlag.InstancedFoliage 0 is used. This was reported and tested in 4.24.3 (CL-11590370) and reproduced ...

Crash compiling a blueprint after changing a Text variable to String, while the Details panel are visible

UE - Gameplay - Blueprint Editor - Jul 29, 2020

Crash occurs when the user changes a Text variable to a String while the Details panel is displaying its properties, and then compiling. Crash does not seem to occur if the Details are not visible. ...

Cloth rendering issue on triangles sharing kinematic attachments.

UE - Simulation - Physics - Character - Jul 29, 2020

All render vertices on any cloth triangle that contains one or two fixed vertex are set as fixed, whereas this should only be the case if all three vertices were fixed. ...

Niagara mesh renderers with a volumetric material trigger a handled ensure and are invisible in the scene

UE - Niagara - Jul 29, 2020

Volumetric materials on a Niagara mesh renderer will not appear in the scene and cause a handled ensure.  ...