Event tick not firing when in an actor component that is added to an actor

UE - Gameplay - Blueprint - Aug 22, 2017

When using actor components, if you delete a node, such as event tick and then add it to an actor, even if you modify the component again, such as adding the event tick event back, the component wil ...

Hovered state does not fire when "Use Mouse for Touch" is set to true

UE - Editor - UI Systems - Slate - Jun 6, 2017

Hovered state does not fire when "Use Mouse for Touch" is set to true. As a note this also happens in a packaged game if the setting was set to true. ...

Actors with large numbers of components cause long hitches during cooking

UE - Foundation - Core - Cooker - May 14, 2019

Actors with large numbers of components cause long hitches during cooking. Here is a brief profile from Very Sleepy of the process while the editor was cooking: [Image Removed] ...

SignedArchiveReader may request wrong number of chunk blocks

UE - CoreTech - Oct 25, 2022

This problem is caused by an incorrect calculation of the number of chunks in the read request. Here is the workaround applied by the licensee : int64 FSignedArchiveReader::PrecacheChunks(TArray<F ...

ensure(false) being fired in FGenericParticlePairMidPhase::FindOrCreateConstraint from key collision

UE - Simulation - Physics - Jan 27, 2025

ensure(false) being fired in FGenericParticlePairMidPhase::FindOrCreateConstraint from key collision. The licensee reports one of their users reported this issue and they were able to reproduce a fe ...

Linux Multi-Monitor Support Issues on GNOME Shell

UE - Platform - Linux - Dec 6, 2017

Users with GNOME Shell installed have reported having issues with multi-monitor support when the monitors are not equally sized or the same aspect ratio. If the application is moved from a smaller ...

Set variables based on Enumeration do not update when the number of members changes

UE - Gameplay - Blueprint - Oct 2, 2017

Set variables based on Enumeration do not update when the number of members changes. The drop down menu will update if Refresh all nodes is used or if the user restarts the project. ...

GetSoftBounds for SteamVR Chaperone returns bogus numbers with VRmonitor not running

UE - Platform - XR - Aug 29, 2015

The "Get Soft Bounds" node returns bogus numbers instead of just all 0's if the VRMonitor is not running. Found on UE4-Releases 4.9: CL-2673023 ...

Package fails for android if company name begins with a number

UE - Platform - Mobile - Apr 26, 2017

If the company name has a number at the beginning of it when packaging for android it returns a series of errors and does not allow the project to be built. The error that is being shown in the outp ...

AssetEditorOpenedEvent Doesn't Fire when Level Opened from Menu

UE - Editor - Workflow Systems - Jan 19, 2023

The AssetEditorOpenedEvent is triggered when opening a level from the content browser, however it is not triggered when a level is opened via File -> Open Level, or File -> Recent Levels. ...