Fix AGameModeBase::GetGameSessionClass

UE - Gameplay - Dec 5, 2016

AGameModeBase::GetGameSessionClass wasn't properly returning the set GameSessionClass. ...

Performance regression from 4.10 to 4.11 on Sony Xperia M4 Aqua

UE - Platform - Mobile - May 27, 2016

User reports that on the Sony Xperia M4 the FPS have decreased from about 25 down to 5 after upgrading to 4.11. ...

Cull Distance Volumes do not effect Blueprints or Skeletal Mesh Actors

UE - Graphics Features - Jul 31, 2014

CHANGELIST: 2181118 BRANCH: UE4 https://udn.unrealengine.com/questions/166371/cull-distance-volume-bug.html DESCRIPTION: Cull distance volumes don't seem to cull blueprints or meshes inside a bluep ...

Fixing a Blueprint's compilation error after editor reload causes instances to lose transform

UE - Gameplay - Blueprint - Feb 23, 2023

Saving and reloading a Blueprint instance with a compilation error, a.k.a., "Bad Blueprint" will lead to a transform reset when the Blueprint is successfully recompiled. ...

Bug in StringTemplate.cpp related to modulo operator in MaterialTemplate.ush (code fix provided)

UE - Rendering Architecture - Materials - Jun 25, 2024

Shader Template files like MaterialTemplate.ush do not submit previous chunks when encountering a `%` character, unless that `%` character is `%s` or `% {...} `. Because the error is happening ...

Stream media source freezes after playing for a short period of time (10 sec. -1 Min.) on Oculus Go

UE - Platform - XR - Jun 7, 2018

When using streamed media source in combination with the oculus go, the video appears to freeze before completion on the device. ...

Pasting timeline components into another actor and then choosing "cancel" on fix self context function references results in a broken state

UE - Framework - Components - Sep 13, 2021

upd. Regression was checked on //UE4/Release-4.26 CL 15973114, issue was reproduced. Regression - No ...

Instanced meshes velocities fix

UE - Graphics Features - Sep 21, 2016

"We've been able to enable velocity rendering when using instanced rendering. However, by looking at the generated vertex shader the computation of the previous position seems to be incorrect: flo ...