PakBlacklist does not seem to be excluding files properly

UE - Foundation - Core - Cooker - Feb 10, 2016

The pak-blacklist files do not seem to be working fully. While some of the files may be excluded Engine/Content/Slate files are staying behind, which can be seen once you've used UnrealPak ...

Editor Crashing on Details Panel when Calling ForceRefresh

Tools - May 30, 2018

Editing bool of the nested child CrashableDataAsset causes crash. Expected: CrashableDataAsset children are properly assigned. Result: Engine crash ...

CullDistanceVolumes don't update correctly

UE - Graphics Features - May 4, 2021

Post process settings struct will not open/break to adjust individual settings

UE - Gameplay - Blueprint - Nov 12, 2015

attempting to break the post process settings struct or split a post process settings struct pin causes pin to disappear, leaving a blank target node. ...

Incorrect usage of FText in EnsureMsgf does not trigger a compilation error, leads to crash in shipping

UE - Foundation - Core - Mar 1, 2018

Using incorrect formatting in FText does not cause compilation errors in EnsureMsgf as it does in other functions such as UE_LOG. This causes crashes to sneak through such as a crash on ensure when ...

Collision problem in nativized blueprint

UE - Simulation - Physics - Jan 29, 2019

Issue reported by one of our licensee on the Japanese UDN https://udn.unrealengine.com/questions/480660/view.html ...

Instanced static meshes fire an erroneous performance assert about loose parameters.

UE - Graphics Features - Sep 4, 2019

 "This ensure is intended to catch regressions where rendering programmers add a loose parameter to LocalVertexFactory, breaking dynamic instancing on regular static meshes.  InstancedStaticMeshes c ...

Spline Mesh Collision doesn't work in packaged game when spawning them at runtime

UE - Simulation - Physics - May 18, 2020

Spline Mesh Components lose their collision in a packaged game when spawning them at runtime, or modifying them via 'Set Start and End' function at runtime. ...

Inconsistent media texture new style output state across the engine

UE - Media Framework - Jun 20, 2023

A simple search for `NewStyleOutput = true` will reveal the many instances where this flag is already forced on, including media plates and media bundles. This however means that we have incompatib ...