CurrentTransaction ensure when duplicating an EQS generator

UE - AI - Aug 3, 2018

When duplicating a Generator inside an Environment Query, the action triggers an ensure and stalls the Editor for a few moments. This issue was reported and tested in 4.19.2 (CL-4033788). It was r ...

FMath::TruncToInt() may result in incorrect data being returned in instances when a Double is passed in containing a large integer value

UE - Foundation - Core - Aug 4, 2016

The FMath::TruncToInt() function takes a float parameter, but some calls to this function pass in a double value. For most use cases, this will probably work fine. However, if the integer values are ...

Random Number Generated in Constructor Returning Different Value on Begin Play

UE - Gameplay - Jan 13, 2016

When generating a random number using FMath::RandHelper() in the constructor of an actor, attempting to print that same number on BeginPlay returns a different value than the constructor. However, ...

Set Actor Scale 3D Not Functioning as Expected

UE - Gameplay - Blueprint - Jan 12, 2016

Using Set Actor Scale 3D in the Construction Script is not functioning as expected. If you set the scale to 1,1,1, you are still able to freely scale an instance of the object in the scene. However, ...

Pin wires do not connect correctly after collapse to function and duplication

UE - Gameplay - Blueprint - Mar 20, 2017

Pin wires do not connect correctly after collapse to function and duplication. Any node can cause this issue, I used an INT variable because it was quick to test with. Regression: This issue affect ...

Adding components in an Actor then undoing them leaves sub-components

UE - Gameplay - Aug 14, 2018

Adding components in an Actor then undoing them after an action in the Viewport, leaves sub-components behind. This is a regression from 4.19.2 (CL-4033788). This issue was reported and tested in 4 ...

SolidWorks 2018 Assembly Datasmith Importer Error

UE - Editor - Content Pipeline - Datasmith - Importer - Aug 16, 2018

A failed to import error is received when importing various SolidWorks 2018 Assembly files. A lot of the attached models are imported IGS files and were made into SolidWorks parts. Tried testing th ...

Crash when duplicating an asset before renaming it in the Content Browser

Tools - Sep 27, 2018

If you duplicate an asset in the Content Browser before the renaming box prompts input it will cause the Editor to crash. This was reported and tested in 4.20.3 (CL-4369336). This is reproducible ...

UCheatManager::ToggleDebugCamera() causes crash

UE - Gameplay - Oct 11, 2018

Toggling the Debug Camera with the UCheatManager::ToggleDebugCamera() function in a PlayerController derived class causes a crash. Tested in 4.19.2 (CL - 4033788), 4.20.3 (CL - 4369336), 4.21 (CL ...

Button input is ignored when toggling Input mode from UI to Game

UE - Gameplay - Input - Oct 31, 2018

IE_Released is called when switching between the Game and UI input modes, despite the button being still held. Tested in 4.19.2 (CL - 4033788), 4.20.3 (CL - 4369336), 4.21 (CL - 4527422), 4.22 (C ...