Crash in MatineeCameraShake when scrubbing and saving

Anim - Sequencer - Mar 24, 2021

[Link Removed] ...

Volumetric Clouds do not render properly while in splitscreen

Rendering - Features Teams - Mar 23, 2021

When implementing Volumetric Clouds in a splitscreen game, the clouds on the second player's screen render incorrectly. If the Two Player Splitscreen Layout is set to Vertical, then the clouds rende ...

Shader complexity mode reportedly broken on Vulkan

Rendering - RHI - Mar 23, 2021

Shader complexity reported (on AH) broken on Linux since 4.25. No local repro attempted. https://answers.unrealengine.com/questions/1019826/shader-complevity-view-mode-is-completely-broken-s.html ...

Runtime Virtual Texture primitives set to never render to main pass still cause occlusion queries

Rendering - Features Teams - Mar 23, 2021

RVT only primitives are being pushed through the occlusion culling. It would be more efficient to not do that. ...

Clothing tool may generate an unsmooth display mesh on 4.26

Simulation - Physics - Character - Mar 23, 2021

This is related to the optimization applied in CL#13181876. Binding simulation mesh to display mesh can't find the nearest triangle when a triangle is located near the AABB boundary. ...

Filtering a Curve with Fourier Transform (FFT) with the Response set to Chebyshev crashes the editor

Anim - Sequencer - Mar 19, 2021

When creating a Curve and filtering the keys with a Fourier Transform, the engine crashes. The engine doesn't crash when the Bake, Euler, or Simplify options. It only crashes if there are a minimum ...

GooglePAD ondemand assetpack file packaged redundantly in obb file

Platform - Mobile - Mar 19, 2021

In order to distribute content within GooglePAD's distribution size limit. (1GB for install-time, 500MB for fast-follow, and 500MB for on-demand) we are trying to package it as assetpack by dividing ...

Running a VR template packaged game with -nohmd results in an AudioDevice crash

XR - Mar 18, 2021

Running a VR template project with -nohmd causes the packaged game to crash on launch. Running with just -vr doesn't result in a crash. Tested in //UE4/Release-4.25 @ CL 14469661 and did not encoun ...

A use-after-free issue caused by GPUParticle

Rendering - Niagara - Mar 18, 2021