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 ...

Pre-UE5 serialized FVariant FVector data corruption when deserialized in UE5

UE - Framework - LWC - Jan 15, 2024

FVariant is a struct that implements a union of data types, including FVector. When assigning an FVariant an FVector value in engine versions UE 4.27 or earlier, the FVariant will deserialize incorr ...

Significant Refraction Differences between 4.27 and 5.0

UE - Rendering Architecture - Materials - Apr 25, 2022

Fix AGameModeBase::GetGameSessionClass

UE - Gameplay - Dec 5, 2016

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

[CrashReport] UE4Editor-AnimationBlueprintEditor!FAnimGraphConnectionDrawingPolicy::BuildExecutionRoadmap() [AnimGraphConnectionDrawingPolicy.cpp:27]

OLD - Anim - Jul 17, 2019

Generated from CrashReporter Similar to [Link Removed] but in UE4Editor-AnimationBlueprintEditor ...

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. ...

Linear Color Struct values are changed when upgrading from 4.26.2 to 4.27.1

UE - Gameplay - Blueprint - Dec 2, 2021

It seems that changing the value to something different than the default of a Linear Color Struct variable, results in the value being changed when upgrading the project to a new engine version. Thi ...

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 ...