Trying to set/change an element of a fixed-size TAssetPtr array in the Editor results in a crash.

UE - Foundation - Core - Dec 9, 2016

Trying to set the value of an element of a fixed-size TAssetPtr array in the Editor results in the Editor crashing. This did not occur in 4.13. The attached callstack is from debugging the project ...

Runtime Errors appearing in Sequencer if fixed frame rate is set in projects settings

UE - Anim - Sequencer - Apr 12, 2019

This ensure happens only when the Start and End of the sequence is set in the "neigborhood" of the keyframe and only if the project framerate is to be Fixed on 60FPS. If you for example play the who ...

Null Redirector For Main Game Level Is Packaged Without Error After Fixing Redirector

Tools - Feb 24, 2020

After moving a level into a folder and fixing the redirectors (right click in content browser) the project will package a Null reference without throwing an error. This will let you create a project ...

Converting Project from 4.11 to 4.12 and Above Changes Relative Scale of Sockets to 1

UE - Gameplay - Sep 21, 2016

When converting a project from 4.10/4.11 to 4.12(or later) the relative scale of the sockets on skeletal meshes will be changed to 1,1,1 regardless of the previous settings. ...

Multiple Blueprint compilation passes required to fix up event binding to dispatcher after event rename

UE - Gameplay - Blueprint Compiler - Nov 30, 2021

Renaming a custom event bound to an event dispatcher via a Create Event node requires two compilation passes to fix up the binding.  upd. Regression was checked on //UE4/Release-4.26 CL 15973114, i ...

Fix AssetManager rules overrides in case PrimaryAssetTypesToScan for PrimaryAssetLabel sets bApplyRecursively=false

UE - Foundation - Data Pipeline - Cooker - Dec 11, 2023

SetPrimaryAssetRules sets the "is overridden" variables (e.g. bOverrideApplyRecursively) based on a comparison with the global default rules:static FPrimaryAssetRules DefaultRules; ... ExplicitRu ...

C++ Projects Crash in Mac OS 10.11 El Capitan when No Audio Device is Present

UE - Platform - Apple - Dec 22, 2015

This issue has been reported by two different users with very similar circumstances: Both report the editor freezing when trying to compile UE4.10 C++ Projects running Mac OSX 10.11.1 if no audio i ...

Oculus NetDriver Regression/Fix

UE - Platform - XR - Oct 26, 2019

From https://github.com/Oculus-VR/UnrealEngine/issues/60#issuecomment-544537005 UOculusNetDriver::LowLevelSend was modified to take an FInternetAddr pointer instead of an FString (due to the same c ...

Upgrading Project After Disabling Light PropagationVolume Plugin Causes Crash

UE - Foundation - Cpp Tools - Plugin System - Apr 1, 2016

Attempting to upgrade a project from 4.10 to 4.11, or 4.11 to 4.12 with the LightPropagationVolume plugin disabled causes it to crash. Found in converting a 4.10 project to 4.11, and reproduced con ...

Fix support for compiling editor in monolithic

UE - Foundation - Cpp Tools - UnrealBuildTool - Jul 1, 2016

Some licensees have reported good results compiling the editor in monolithic configurations - startup times are noticably shorter. I believe there are a number of things that need fixing up across t ...