Unreal Engine Issues

SWorldPartitionEditorGrid2D causing editor to crash

Fresnel material doesn't display properly in content browser and sometimes weird in material viewport

When a material is created and saved using the fresnel node, the fresnel effect does not show in the Content Browser thumbnail. Also, when editing the material, zooming in and out with the mouse wh ...

[Quartz] - The multiplier does not always respected on the Quartz Quantization Boundary

Increasing the multiplier past a certain point causes sounds on a Quantization Boundary to struggle to play at the correct time. The repro above uses 1/32, but this also repros with other values. ...

Desynchronised playback of firstime played SoundWaves with active AudioStreamCaching

The SoundWave in the Content folder of the attached Project has been exported from Nuendo @ 120BPM 4/4, with a duration of exactly 1 Bar. The BP_Audio Actor uses the TimeSynthComponent to provide sa ...

Consolidate ScreenSize code and refactor to avoid confusion

We do have very inconsistent system between Static/Skeletal and the current name is set for ScreenSize. However, Static mesh and HLOD are using ScreenSize name for Screen area calculation. We wan ...

ARCore plugin missing 'tools' components

https://forums.unrealengine.com/development-discussion/vr-ar-development/1494917-ue-4-20p4-arcore-image-database-cannot-build/page2 Bo Pang from Google writes: "I think there are two issues here: 1 ...

Changing the Global Time Dilation to a very small value and returning it to a large value (by either using the slomo console command or directly in BP) makes Physics simulating ragdolls fly off into space.

Changing the Global Time Dilation to a very small value and returning it to a large value (by either using the slomo console command or directly in BP - slomo sets TimeDilation) makes Physics simula ...

Using NewObject inside PostInitProperties causes the editor to crash

Using NewObject inside PostInitProperties and creating a BP of the class will cause the editor to crash on PIE if the BP is is set in gamemode defaults ...

Sub Surface Shading Model has Strange Blotch Color Artifacts when Used with a Ambient Cubemap

Sub surface shading model has strange blotch color artifacts when used with ambient cubemap. Since the subsurface profile shading model can't be used with ambient cubemap I wanted to use the regular ...

[CrashReport] Linux crash - /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so()

This is a new Linux crash in 4.18.1. There are a few similar but different callstacks that reference dri/radeonsi_dri.so() I've attached a log, but none of the ones I've looked at appear to contai ...