Niagara Map Set parameters are improperly named

UE - Niagara - Mar 9, 2020

Parameters are misnamed when adding a new parameter to Map Set in a Niagara Module Script  Tested: 4.23.1, 4.24.3 , 4.25 preview, 4.26 (main) ...

Enabling Anisotropic BRDF causes crash upon Editor restart

UE - Graphics Features - Lumen - Mar 13, 2020

Enabling the Anisotropic BRDF (beta) causes crash upon restarting the Editor. This was reported and tested in 4.25 Preview 2 (CL-12055273). This was reproduced in main 4.26 (CL-12161634). ...

Movable point light disappeared by MinScreenRadiusForLights and appeared back looks deemed.

UE - Platform - Mobile - Jun 25, 2021

The movable point light is abnormally lit when it disappeared by the setting of r.MinScreenRadiusForLights rather than "Max draw distance" and appears back. After you disable and enable the "Affect ...

D3D HUNG crash - FD3D11DynamicRHI::RHIReadSurfaceFloatData()

UE - Graphics Features - Jan 18, 2017

This is one of the widespread D3D Hung crashes that have existed since 4.14. This particular callstack has affected around 300 users. The issue has been successfully reproduced on a home PC. Dxdi ...

Text block Outline cropped out at large sizes

UE - Editor - UI Systems - Mar 8, 2017

Text block Outline cropped out at large sizes. This affects Grid Panels and was additionally tested with Horizontal boxes with the same result Regression: This issue does not occur in 4.14.3 Binary ...

Per-section shadow/collision flags lost when merging actors

OLD - Anim - Mar 24, 2017

Information loss when merging actors such as cast shadow and collision. If one of the actors being merged has a different setting such as not casting shadows. This information will be lost and repla ...

Map Get Node Pins In Niagara Module Scripts Can't Search For Standard Data Types

UE - Niagara - Mar 16, 2020

This wasn't like this in 4.24 (see attached images). If you create a variable Engine.Owner.Position the search will find it however. Found in 4.25 Preview 2. Reproduced in 4.26 Main. ...

Thumbnails do not display shadows after opening and saving the asset

UE - Graphics Features - Lumen - Apr 14, 2020

Shadows in an asset's thumbnail disappear after opening and saving the asset, whether changes are made or not.  Tested: 4.24.3 CL#11590370, 4.25P6 CL#12493028, 4.26 CL#12767035 ...

Some blueprint nodes are noticeably wider

UE - Gameplay - Blueprint Editor - Feb 19, 2021

Certain blueprint nodes are noticeably wider than they were in 4.25, and seem to get excessively wide if the user fills in literal pins on them. This was noticed with the Array Add nodes, but may a ...

Splitting a struct pin on a function node does not display tool tips on resulting struct member pins

UE - Gameplay - Blueprint Editor - Sep 15, 2021

Splitting a struct pin on a function node does not display tooltips for the resulting struct member pins.  upd. Regression was checked on //UE4/Release-4.26 CL 15973114, issue wasn't reproduced. Re ...