Fix SourceLength to be tangent to spot light axis

UE - Graphics Features - Mar 4, 2015

Fix pause flags when recycling sound sources

UE - Audio - Dec 12, 2016

Issue is due to pause flags getting recycled when new sound sources are used from the sound source pool. This is a regression since 4.13, causing audio to pop. ...

4.19 high dpi menu issue.

Tools - Mar 22, 2018

In a 4K environment, enabling windows animations along with high DPI causes some jittering in the menus. ...

Mobile landscape rendering corrupted in 4.19

UE - LD & Modeling - Terrain - Landscape - Apr 23, 2018

UMovieSceneSequenceTickManager does not consider settings of Fixed Frame Rate

UE - Anim - Sequencer - Jun 15, 2023

Due to CL-20816478 UMovieSceneSequenceTickManager now calculates DeltaTime per Group instead of using DeltaSeconds directly. As a result, the FixedTimeFramerate in the project settings is being igno ...

Adding HISMC instances resets wind for all existing instances

UE - Graphics Features - Jul 6, 2018

When adding new HISM instances, actors using SpeedTree -> WorldPositionOffset material are reset. 4.19 Repro project provided by user. I was unable to get WPO wind working in 4.18, I did noticed th ...

Fix log spam when using a vive wireless adpater

UE - Platform - XR - Dec 19, 2018

We need to handle TrackedDeviceClass_DisplayRedirect as a valid device in SteamVRController.cpp ...

Fix function forwarding in demo drivers in instant replays

UE - Networking - Jul 13, 2020

Demo drivers that are actively playing back a replay while still connected to another server as a client (via game net driver) will generate warnings due to the function forwarding code (UNetDriver: ...

Breaking level instances does not adequately fix up actor references

UE - World Creation - Worldbuilding Tools - Level Instances - Aug 29, 2022

Details in link. ...