Actor Component properties can become "linked" across multiple Blueprints after a hot reload

UE - Gameplay - Components - Dec 3, 2018

If code in an Actor Component class is changed (eg. a new UPROPERTY is added) and a hot reload is performed to implement the changes, the properties in the component can become linked across any Blu ...

Landscape LocalMerge crash with PaintLayer enabled

UE - LD & Modeling - Terrain - Landscape - Aug 15, 2022

Ragdoll replication on server side is not replicated correctly on client

UE - Networking - Dec 2, 2014

Ragdoll replication on server side is not replicated correctly on client. The client will see the server players ragdoll dissappear and reappear at the 0,0,0 origin point. AnswerHub Posts: https: ...

Properties not serialized when moving actor/component depending on unrelated specifiers

UE - Gameplay - Blueprint - Sep 25, 2023

When an actor is moved on the level editor viewport, it is reconstructed along with its components, which at first makes their properties reset to their default state. Thankfully, this does not happ ...

Set Members in Struct node doesn't work if the Struct is contained within an Array

UE - Gameplay - Blueprint - Dec 9, 2014

Set Members in Struct node doesn't work if the Struct is contained within an Array. ...

Control Rig settings are not retained between editor sessions or carried into deployed game

UE - Anim - Rigging - Control Rig - Jun 10, 2020

Control Rig settings are not retained between editor sessions or carried into deployed game ...

ZenGarden or project with MSAA enabled crashes on iPhone 6 and 6+

UE - Platform - Mobile - Jul 19, 2017

Zen Garden crashes on the iPhone 6+ before anything appears onscreen. Occurred on: iPhone 6+ on 10.3.2 Didn't occur on: iPhone 6S on 10.3.2 ...

Unresponsive black screen in standalone when enabling HMD w/ Oculus attached

UE - Platform - XR - Oct 8, 2015

Going fullscreen/stereo on/enableHMD causes a play in standalone to go unresponsive and render as a black screen. Found on: Binary 4.9.2 release (from launcher/portal) UDN: https://udn.unrealengin ...

Arrays of user-defined structs are not initialized properly in a nativized Blueprint class.

UE - Gameplay - Blueprint - Feb 28, 2018

New elements are not being initialized properly when setting up the default value for arrays of user-defined structures in nativized Blueprint C++ constructor code. ...

Mobile Previewer: Safe Zone Invalid Until Window Resize

UE - Platform - Mobile - Jul 12, 2021

When the Mobile Previewer loads, the Safe Zone widget is not working properly at startup, and requires a window resize to update to the correct Safe Zone. ...