Capture Source not changing in Planar Reflections

UE - Graphics Features - Sep 14, 2020

Changing the Capture Source in Planar Reflections is not working as expected. Without being able to change the source, Post Process Materials are not rendering in the Reflection. Reported in versio ...

Input isn't recognized for Shift+F, or just the F key when the Shift key is also pressed down

UE - Gameplay - Input - Nov 23, 2021

This is a regression Tested in: //UE4/Release-4.26.2 CL15973114 Binary - Did not reproduced //UE4/Release-4.27.1 CL17735300 Binary - Reproduced //UE5/Release-5.0-EarlyAccess CL16682836 Binary - Repr ...

Left Clicking a menu that contains an option with a submenu will cause the submenu to close while hovering its options

UE - Editor - UI Systems - Mar 25, 2022

If a menu has an entry that is a submenu, and that submenu has entries in it that are also submenus, then the entire menu will close when left clicking the submenu button instead of hovering it. So ...

In-Memory replay checkpoints incorrectly deleted when stream length is less than TimeBufferHintSeconds

UE - Networking - Mar 18, 2024

The buffer start time is calculated by subtracting the TimeBufferHintSeconds from the stream length: const uint32 BufferStartTimeMS = UE::LWC::FloatToIntCastChecked<uint32>(FoundReplay->StreamInfo.L ...

[Task] Automated Previous Transforms

UE - Graphics Features - Oct 26, 2023

Correct motion vectors are required for things like anti-aliasing to work. Currently ISM/HISM don't support tracking to do this automatically. This is a frequently reported problem for licensees and ...

Material Emissive Color not working with SkyAtmosphereIlluminance Material Expression

UE - Graphics Features - Jan 9, 2025

A licensee has reported that they are unable to use an emissive material utilizing the SkyAtmosphereLightIlluminance material expression together with Nanite and Lumen. The linked UDN has some more ...

Blueprints converted to static mesh with negative scales for a component will invert the faces

Tools - Dec 19, 2016

Negative scaled static mesh components in a blueprint will invert their faces when converted to a static mesh. Note that this does not happen in the following situations: If the BP is scaled negat ...

NetMulticast and BlueprintCallable C++ functions reportedly have incorrect parameters

UE - Networking - Nov 7, 2014

Bug report from AnswerHub. Need to figure out why C++ functions tagged NetMulticast and BlueprintCallable send the wrong paramters to some clients. ...

Blueprint 'Select' node: nodes connect to all input pins are evaluated while only one input is needed

UE - Gameplay - Blueprint - Aug 15, 2015

Originally marked Won't Fix in 2017. Issue reopened on May 1, 2024. All inputs of a Select blueprint node are evaluated, even though in the end only one value is selected. This is wasteful work. ...

Level Blueprint's Parent Class can be set to another Level Blueprint's generated class

UE - Gameplay - Blueprint - Sep 16, 2015

You can assign the Parent Class of Level Blueprint to be the generated class of another Level Blueprint, which gives you the following "Graph is linked to object(s) in external map" error if you try ...