The order of Actors assigned to a Physics Constraint affects the simulation

UE - Simulation - Physics - Jun 8, 2018

The order in which actors are listed on a physics constraint affects the physics simulation. This should not make any difference in how the physics are simulated. Regression?: No This occurred in ...

AvfMedia: Many file types supported on macOS and iOS are reported as not supported in UE4

Media Framework - Sep 6, 2016

See also https://forums.unrealengine.com/showthread.php?64082-Media-Framework-Roadmap&p=590662&viewfull=1#post590662 ...

FBSDSocket::GetConnectionState issues

UE - Networking - Feb 26, 2016

https://answers.unrealengine.com/questions/336960/fsocket-problems-with-getconnectionstate-and-send.html We probably need to expose ability to override timeout. ...

[CrashReport] UE4Editor_Engine!FHLSLMaterialTranslator::GetParameterUniformExpression() [hlslmaterialtranslator.h:1671]

UE - Graphics Features - May 25, 2017

This is a top trending crash in the 4.16 release. This may be a regression from 4.15. Additional information is currently unknown. Users have not provided any details. ...

Anim curves default back to 0.f instead of material default

OLD - Anim - Sep 13, 2017

This seems to be a regression of [Link Removed]? Difficult to say. Originally reported here: https://udn.unrealengine.com/questions/391665/animcurve-parameter.html ...

New VR-Basic level triggers Metal validation layer assertion

UE - Platform - Apple - Mar 16, 2020

This was discovered externally and reported on UDN here: https://udn.unrealengine.com/questions/563268/mac-editor-crash-when-disable-ambient-occlusion.html ...

AlwaysTickPose is prone to double firing notifies in a dedicated server setup.

UE - Anim - Gameplay - Jun 11, 2024

See UDN for more info: https://udn.unrealengine.com/s/question/0D5QP00000MfU8l0AF/uanimnotifynotify-is-called-twice-for-the-same-notify-on-server-in-a-multiplayer-game ...

Mouse Events cannot be treated as Touch on Android Apps on Chromebook

UE - Platform - Mobile - Mar 18, 2019

A licensee reported an issue where mouse events are not able to be used as touch events on Android apps. This was specifically reported on and tested on Chromebooks. After working with Chris Babcock ...

Set World Scale 3D on Attached Actor Allows Character to Jump Through Collision

UE - Gameplay - Jun 6, 2016

The collision of the cube static mesh is not blocking the character after Setting World Scale 3D while it is attached to another actor using the AttachToActor node. ...

Reflection across multiple viewports are different than original viewport.

UE - Graphics Features - Jan 21, 2016

When viewing reflections in multiple viewports the reflections will differ from the original viewport. ...