Editor crash on blueprint compile that contains edited BP Struct

UE - Gameplay - Blueprint - Sep 11, 2017

When a blueprint graph contains a "Make Struct" node for a blueprinted Struct, changing any pin's type causes the editor to crash when the blueprint is compiled. Regression: No - same behavior occu ...

Slate Widget STileView Scrolling Mouse Wheel Lock

Tools - Sep 15, 2017

When using the mouse wheel to scroll nested scroll boxes, scrolling up no longer works once the inner tile view has been scrolled to the top. Regression: Yes, this behavior does not occur in 4.16.3 ...

Editor crashed on exporting a skeletal mesh twice after garbage collection occurs

Tools - Sep 21, 2017

Issue was occurring with wildly varying repro steps, after speaking to Jurre and enabling gc.CollectGarbageEveryFrame 1 it was easy to conistenty reproduce this issue. note: I was getting this iss ...

Get User profile does not appear to be returning the correct values

UE - Platform - XR - Oct 2, 2017

Get User Profile does not appear to be returning the correct values. Player height always returns as 0.0 and IPD always returns as 0.064. Regression: Yes This issue did NOT occur in 4.16 ...

Shadows are Heavily Aliased with PCSS Enabled

UE - Graphics Features - Apr 11, 2019

Shadows are exetremely rough and aliased if r.shadow.FilterMethod is set to 1.  Working as expected in 4.21 CL# 4753647  Found in 4.22 CL# 5660361 and 4.23 CL# 5810496 ...

Fix primitive uniform buffer validation.

UE - Rendering - Architecture - RHI - Jul 31, 2020

GPUScene primitive validation is currently busted and asserts. It looks like there are two problems: 1) NaN's in the entries can cause comparison issues, so a MemCmp would be better. 2) There's a ...

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 ...

[MetaSounds] - Inputs, Outputs, and Variables are not allowing spaces in the member name

UE - Audio - MetaSounds - Oct 27, 2022

UE does not allow to have spacing for array in MetaSound PatchThis occurs in MetaSound Source as well Regression checked and occurs on //UE5/Release-5.1 @ CL 22805038 - P4V Repro Rate : 4/4 ...

PythonScriptPlugin: UE_LOG Format Changed to Unicode after Redirection

UE - Editor - Feb 15, 2023

PythonScriptPlugin sets std output mode to _O_BINARY but fails to restore it to the previous state afterwards because cached StdOutMode is already _0_TEXT, hence _setmode returns -1. See PythonScri ...

PCG Graph on 2x2 Landscape incorrectly displays weight on paint layers

UE - World Creation - Procedural Tools - PCG Graph - May 26, 2023

In my example picture I have "Grass" set as the target attribute area but the debug cubes are appearing on the dirt and snow as well.  This only happens when the landscape subsections are set to 2x ...