Editor delay on end simulation in 4.14

Tools - Nov 16, 2016

When stopping PIE Selected Viewport or Simulate Mode there is now a 1 to 2 second delay that did not occur in previous versions of the Engine. Regression: Did not occur in UE4.13 or earlier ...

iOS: No game sound after answering incoming call on iOS

UE - Platform - Mobile - Nov 28, 2016

When an iOS device receives and answers a call that interrupts a UE4 game, the game will no longer have audio after the call in completed. Expected: End of call returns to gameplay with audio. Actu ...

GPU Crash may occur when using Nanite Tesselation on landscape with several shadow casting local lights

UE - Graphics Features - Nanite - May 5, 2025

The GPU may time out in NaniteSplit when drawing VSM shadows for Nanite Tessellated landscape with in a scene with several local shadowed point lights. The issue doesn't reproduce in 5.6, likely to ...

'Decal Blend Mode' in the Result node is missing

UE - Rendering Architecture - Materials - Mar 8, 2022

'Decal Blend Mode' in the Result node is missing. The user that reported this noticed it when converting from early access to Preview 1. Their emissive decals stopped blending. ...

SteamSockets not setup to handle Client/Session ID handshakes

UE - Online - Jan 13, 2023

Repro Rate: 3/3 This is a live issue where the customer claims that the SteamSockets implementaton is not setup to handle the new Client and Session Id setup that was introduced in 5.1. This issue ...

Sequencer in packaged VR project does not appear to work when using sequence player on begin play

UE - Anim - Sequencer - Sep 27, 2016

Sequencer in packaged VR project does not appear to work when using sequence player on begin play. The HMD no longer appears to be affected by sequencer after the project has been packaged out ...

Startup movies using FDefaultGameMoviePlayer are not skippable using keyboard or gamepad

Media Framework - Oct 13, 2016

There are a few separate issues with user input plumbing that prevent keypresses from getting to FDefaultGameMoviePlayer during a startup video 1) In FDefaultGameMoviePlayer::WaitForMovieToFinish() ...

Material Function Instances do not show up in the Material Function Call node

UE - Rendering Architecture - Materials - Jun 5, 2023

This is not a regression. Tested in //UE5/Release-5.1 CL23901901. The Material Function Instance can be dragged and dropped into the Material Function Call. ...

Orange Screen when using the VR preview mode with the oculus rift

UE - Platform - XR - May 26, 2015

Orange Screen when using the VR preview mode with the oculus rift (runtime 0.6.0) appears with the following message "Application is paused while an old SDK application is rendering." ...

Crash using a bitmap in a material

TM - Core - Mar 3, 2025

see repro steps: direct crash the material comes from FAB model:  [Link Removed] ...