Unreal Engine Issues

"Allow Custom Depth Writes" Creates Artifacts In Depth Buffer

When a transparent material has "Allow Custom Depth Writes" enabled it is prone to have artifacts in the custom depth buffer under specific conditions. The conditions are as follows:The translucent ...

VSCode finds intellisense errors in Project source files: cannot open source file "UBT_COMPILED_PLATFORM/UBT_COMPILED_PLATFORMPlatformCompilerPreSetup.h"

VSCode finds intellisense errors in Project source files: cannot open source file "UBT_COMPILED_PLATFORM/UBT_COMPILED_PLATFORMPlatformCompilerPreSetup.h" Similar to [Link Removed], but that was onl ...

SWorldPartitionEditorGrid2D causing editor to crash

[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 ...

Old iTunes DLL causes UBT to fail on startup

Steam friends list is duplicated when opened for a second time in the packaged version of Shooter Game

If a user is logged into a Steam account with between 1 and ~10 friends (Max depends on resolution, as it'll push the excess off the screen) and they open the friends list multiple times, it'll dupl ...

Translucent Materials no longer reflect light when using Forward Lighting variable

Translucent materials are no longer showing light reflections in scene when using r.forwardlighting 1 with lights. This is a regression from functionality in 4.11.2. This no longer works with 4.12 ...

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 ...