Collision filtering issue when multiple shapes on an actor

UE - Simulation - Physics - Jul 22, 2022

Collision filtering is producing unexpected results in certain setup. Objects are passing through one another when they are expected to collide. ...

Changes to Material Instance Parent don't appear to propagate to child instances if the child instance's editor window is open

UE - Rendering Architecture - Materials - Aug 16, 2021

It looks like this occurs when the grandchild instance window is open. If you close and reopen the Grandchild's window the parameter appears as expected. I've attached a project with the setup step ...

Color shifting occurs from screen probe gather ping-pong when Lumen active

UE - Graphics Features - Lumen - Apr 29, 2024

A subtle yellow tint color shift occurs when Lumen is active due to usage of R11G11B10_Float targets, mostly from r.Lumen.ScreenProbeGather.SpatialFilterProbes where we ping-pong between R11G11B10_F ...

ShooterGame player death creates Death Anim Timer handler incorrectly

Docs - Samples - Mar 10, 2015

In ShooterCharacter.cpp (line 376) there is a call to FMath::Min(0.1f, DeathAnimDurtation) that always returns 0.1. User suggests changing FMath::Min() to FMath::Max(). ...

Behavior Tree "Resume" button does not match other resume buttons in editor

UE - Gameplay - Feb 12, 2015

Resume button in Behavior Trees is a different image than the resume button in other parts of the editor. ...

OnTextCommitted for a Text Box will execute multiple times

UE - Editor - UI Systems - Apr 29, 2015

The OncTextCommitted event for the Text Box executes multiple times. Testing has shown that it will execute 2-5 times with only one submission. It should only be executing once per time text is subm ...

Show Navigation does not work in a packaged build

UE - AI - Mar 9, 2015

USER DESCRIPTION: Every time I check "Enable Drawing" in project settings, save all, close the editor then open it again -> Enable Drawing is unchecked. Why? Is there some other place when this opti ...

FText::AsTime Does not work correctly with daylight savings.

UE - Editor - UI Systems - Localization - Mar 17, 2016

If you pass the result of FDateTime::UTCNow in into FText::AsTime with your windows time zone currently set to Eastern Time (UTC-5 hours), it will NOT take into account daylight savings. ...

Uniform Scale has no effect on .fbx's imported with "Transform Vertex to Absolute" unchecked

UE - Editor - Content Pipeline - Import and Export - Oct 25, 2016

Uniform Scale has no effect on .fbx's imported with "Transform Vertex to Absolute" unchecked. NOTE: This was tested with assets from both 3DS Max and Blender. Regression (no) issue (does) occur ...

Packaged Vehicle and Vehicle advanced templates crash when opened on tvOS and iOS

Tools - Oct 6, 2016

This occurs for both Code and BP Vehicle and VehicleAdvanced projects tested in both DebugGame and Development packaging configurations Devices: tvOS 10.0 iPhone6S+_6241 OS: 9.3.5 ...