Niagara Mesh Renderer Incorrectly Rendering Mesh at Distances When Using Two Sided Material

UE - Niagara - Mar 25, 2019

Niagara Mesh Renderer Incorrectly Rendering Mesh at Distances When Using Two Sided Material.  Working as expected in 4.20 CL# 4369336 and 4.21 CL# 4753647 Found in 4.22 Preview 6 CL# 5439949 and 4 ...

Windowed fullscreen doesn't respect vsync settings

UE - Rendering - Architecture - RHI - Oct 31, 2019

When running in windowed fullscreen mode in a standalone build r.vsync 0 is not respected and the game always runs at a locked 60fps. When the game doesn't have focus, for instance when you press Wi ...

MoviePipeline: Python Editor example can double-up objects in-scene

zComponent - Archive - Jan 4, 2022

See the UDN for sample project. This is caused by the Editor Python sample not using the UMoviePipelineQueueSubsystem, which (when rendering) blocks the Sequencer from auto-binding to PIE. The fix ...

Error packaging Android after disabling Vulkan Support

UE - Platform - Mobile - Jan 3, 2023

Regression: Tested in UE5/Release-5.0, this issue does not occur and is a regression. This issue occurs when packaging for Android ASTC, ETC2, and DXT. Packaging with Support Vulkan enabled results ...

Stateless Connect Handler's SessionId and ClientId checks not working with SteamSockets

UE - Online - Feb 14, 2023

We've had a couple of reports of the recently added session/client id checks in the StatelessConnectHandlerComponent failing when using SteamSockets. The connections fail with the "Rejecting handsha ...

Crash when editing FRuntimeFloatCurve's curve from sequencer's edit key window

zComponent - Archive - Mar 31, 2023

Crash when editing a FRuntimeFloatCurve curve exposed through EventTrack or a self-made Struct from the sequencer key edit window. FRuntimeFloatCurve does not support Expose to Cinematic, so this m ...

[AI] Stack overflow in canRemoveVertex of DetourTileCacheBuilder

UE - Runtime - Character - Sep 28, 2023

User reports of stack overflow happening in canRemoveVertex in DetourTileCacheBuilder.cpp if a poly has more than 16 vertices. The array for edges is a fixed array and is written to without checking ...

Light function broken on AMD GPUs

UE - Rendering - Architecture - Dec 6, 2023

The licensee reported this happening on the following cards with the latest driver versions: ● RX 6600 ● RX 5700 The Licensee reported it did not happen on these cards: ● RX 580 ● Non-AMD cards Our ...

Depth of Field blur is inconsistent with r.ScreenPercentage == 100 (Dynamic resolution)

UE - Graphics Features - Oct 29, 2024

Depth of Field, with "r.DOF.Recombine.Quality = 0" will adjust the size of the depth in focus based on screen percentage. This might be related to over-fitting from the tile classification, because ...

Cut & Paste in Sequencer breaks with Attach track

zComponent - Archive - Jan 15, 2025

Cutting two tracks in sequencer, which one is attached to another one, and pasting it break with Attach track. By this operation, Attack track loses its binding object. Copying such tracks and paste ...