Objects with centered pivots become Actors instead of StaticMeshActors when imported via Datasmith

UE - Editor - Content Pipeline - Datasmith - Exporters - Jan 18, 2019

When selecting "affect pivot only" and choosing "center pivot" on 56 objects in 3DS Max 2019, 4 of them imported into Datasmith as Actors and not StaticMeshActors. This makes it seemingly impossible ...

Breakpoints on nodes in deleted functions are not cleared

UE - Gameplay - Blueprint - Nov 16, 2018

Might be a simpler repro than this, but take a look at revision 1 of PreRolledBoxes in FortniteMain to see an asset affected by this. It was duplicated from StoreRoot which had breakpoints in some o ...

UAnimInstance::GetInstanceTransitionTimeElapsed returning 0 in non-editor builds

OLD - Anim - Sep 4, 2019

In non-editor builds UAnimInstance::GetInstanceTransitionTimeElapsed always returns 0.0f. This is caused within FAnimNode_StateMachine::Update_AnyThread due to: #if WITH_EDITORONLY_DATA NewTra ...

Mac - Media Player - Web Cam not accessible

Media Framework - Jan 20, 2020

Audio/Video Devices are no longer accessible via Media Player on Mac. User info: "We think it is connected to camera and microphone privacy. We have got a crash trying to access to camera from cust ...

Overridden mesh values are lost when upgrading from 5.5.0/5.5.1 to 5.5.2 on blueprint skeletal mesh components

UE - Anim - Runtime - Jan 30, 2025

This issue is caused by the backout in 38341618.  The original code that went into 5.0 affects serialization by changing the UCS modified properties.  When upgrading, the override is lost because th ...

Editor crashes when right clicking a box collision after adding a converted static mesh in blueprint editor

UE - Gameplay - Blueprint - Sep 1, 2016

I created a cylinder with a subtractive cylinder inside of it. I also used a box BSP with a subtractive box inside of it and got the crash to repro. I tried with a sphere BSP twice and didn't get ...

Editor movement control regression

Tools - Jul 8, 2015

Using Ctrl+Drag in 4.8 will not affect the location of selected actor if the viewport camera is facing away from selected actor. In 4.7.6 the actor would travel along the X axis even if the camera ...

Drastic increase in FBX import times from 4.9 to 4.10

Tools - Dec 9, 2015

The attached asset (including animation) takes 9 minutes to import in 4.10, where it takes 42 seconds in 4.8 and 4.9. You don't really notice this until you start to get up to larger assets or long ...

Physics are inconsistent between PIE and Standalone

UE - Simulation - Physics - Apr 16, 2015

A user has found that they are seeing differences in how objects are affected by physics in Stand alone as apposed to PIE. While testing the amount of force applied to an object in the different pla ...

Match3 Crashes on IOS and Android when Packaged using Nativized Blueprint Assets

UE - Gameplay - Blueprint Runtime - Aug 19, 2016

Match3 crashes shortly after being opened on both Android and IOS devices when the experimental blueprints option "Nativized Blueprint Assets" is enabled. Verified that the issue does not occur if ...