Fix PrimitiveComponent overlap indirection

UE - Simulation - Physics - Sep 27, 2016

When doing overlap tests in PrimitiveComponent, UWorld->ComponentOverlapMulti is used. The callstack for that ends up looking like this (callstack is inverted, highest level on top): UWorld::Compo ...

4.23 Preview crashes with command line arguement -AutomatedMapBuildUseSCC = False

UE - Foundation - Core - Aug 1, 2019

Using an automated script in command line arguments to build project map causes a crash. Note: that it will not crash when 'UseSCC=false' is omitted, but it will not build the map either. Screen gr ...

Niagara Vector Field CPU access Error prevents its use in projects

UE - Niagara - Jan 31, 2020

Niagara VectorFields do not function properly since "Fix CPU Access" changes are not persistently saved. After every Editor restart or reopening projects, the Niagara-VectorField driven Emitter and ...

Mobile Preview - Custom Stencil 4.23 Regression

UE - Platform - Mobile - Oct 25, 2019

Regression when using custom stencil with in-editor mobile preview. This does NOT reproduce in MAIN at CL 9730599 ...

Fix AGameModeBase::GetGameSessionClass

UE - Gameplay - Dec 5, 2016

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

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. ...

Chaos Destruction's PIE startup time increased several times from 4.23.1 to 4.25.1.

UE - Simulation - Physics - Jul 17, 2020

In response, the licensee asks the following questions.Are there any plans for improvement?Is there a workaround? ...

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

UE - Gameplay - Sep 13, 2021

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