Pausing simulation in PIE does not pause looped timers on the Server when players is set to more than 1

UE - Networking - Feb 4, 2016

Pausing simulation in PIE does not pause looped timers on the Server when players is set to more than 1. The Client pauses the timer as expected. With only one player, timers are paused as expected. ...

[Device Swap][Crash][Stadia] - Crash changing audio device from 5.1 to stereo

UE - Audio - Mar 10, 2021

There's a crash on stadia when changing the audio device from 5.1 to stereo. There's also a related issue where voice chat breaks when changing from 5.1 to stereo. The background is that CL14889950 ...

Physics Asset doesn't follow the Skeletal Mesh when Physics Blend Weight is set to any value between 0 and 1

OLD - Anim - Feb 9, 2017

Physics Asset doesn't follow the Skeletal Mesh when Physics Blend Weight is set to any value between 0 and 1. Could be related the the fix for this JIRA: https://jira.it.epicgames.net/browse/UE-192 ...

Variables replaced with -1 after jumbling in details pane when one actor is selected and another blueprint compiled

UE - Gameplay - Blueprint - Aug 31, 2016

Variables replaced with -1 after jumbling in details pane when one actor is selected and another blueprint compiled. De-selecting Actor_1 sets variables back to correct value when selected again. ...

Xcode 8.3.2 fails to successfully build 4.15.1 from source code

UE - Platform - Apple - May 2, 2017

Attempting to build 4.15.1 from source code using Xcode 8.3.2 currently results in the build failing due to warnings that occur in fbxsdk, AlembicImporter, and MetalRHI. ...

Error maximum ps_5_0 sampler register index (16) exceeded on some materials in InfiltratorForward

UE - Graphics Features - Dec 13, 2016

Certain materials no longer compile in InfiltratorForward with Forward Shading enabled. These materials were not having this compile issue in //UE4/Main @ CL - 3231640 which is the CL before Dev-Ren ...

Importing skeletal meshes with uniform scale >1 causes rotation in skeletal mesh editor to improperly register

OLD - Anim - May 11, 2015

If a skeletal mesh is imported with a uniform scale of >1, the rotation feature in Persona will not rotate bones at the proper ratio. The meshes rotation will slow down as the uniform scale increase ...

"Working with Components on Actors Part 1" mentions incorrect behavior about adding component replaces root

Docs - Jul 18, 2017

In the Blueprints > Working with Components on Actors Part 1 tutorial, there are steps that say that when placing a component in an empty actor, it will replace the root component. This is old beha ...

Preview weight on Landscape Layer Sample affects Grass Output on landscape disregarding layer info

UE - Graphics Tools - Terrain - Landscape - May 10, 2022

Preview weight on Landscape Layer Sample affects Grass Output on landscape disregarding layer info Repro Rate: 3/3 Tested this in //UE4/Release-4.27 @ CL#18319896 and the issue did NOT occur there ...

Launching on IOS, sessions do not appear in the Session Frontend

UE - Networking - Oct 17, 2018

Licensee reports: Dug into this further and our iOS devices aren't receiving any of the handshake messages sent by the Session Frontend (or any other UDP messages for that matter) because multicast ...