VoIP loses functionality when transitioning levels.

UE - Online - Oct 23, 2019

VoIP between client and host is lost upon transitioning levels. ...

Collision lost from body when using world composition and streaming

UE - Simulation - Physics - Mar 1, 2021

Physics object from a streamed level does not interact with other physics objects in persistent level. ...

Moving a water body causes engine to drop fps and spike ms

UE - Graphics Tools - Terrain - Water - Apr 26, 2022

Moving a water body lowers performance on the engine. The fps drop from 120 to 30 and ms spike from 8 to 30. This issue occurs in 5.0 Binary and 4.27 Binary on Windows. On Mac, FPS drop and ms spike ...

Merging Splines causes Engine to Crash in 5.1

UE - World Creation - Worldbuilding Tools - Merge Actor - Dec 15, 2022

Attempting to merge two spline actors causes the Engine to crash. This issue occurs with the Steps to Reproduce regardless if there are more branches added to the tree branch spline/enabled, and reg ...

UObject set to DefaultToInstanced will show all properties declared at the blueprint level, even in they're private and not instance editable

UE - Editor - Workflow Systems - Apr 19, 2024

Licensee found that when creating a UObject class with DefaultToInstanced and EditInLineNew specified, and then a derived BP was created using the UObject class and used as a variable type in an act ...

Crash at startup when vcomp140.dll prerequisite is missing.

TM - Interoperability - May 3, 2024

Some users are experiencing a Crash at startup because of missing vcomp140.dll prerequisite. ...

LIVE: Control+Right (Skip Word) in Multi-Line Text Field Freezes Editor

Tools - Oct 30, 2014

In any multi-line text field, scrolling to the end of the last line with the control+right (skip word) command will freeze the editor. In the AnswerHub thread, user twiddle linked to a Pull Request ...

AttachChildren on the client can lose entries

UE - Gameplay - Jan 26, 2016

If a client attaches a scene component to a server authoritative scene component and that server component later has a change in attachment made on the server, the AttachChildren array on the client ...

NetMulticast function will force non relevant Actors to be relevant for a few seconds before they become non-relevant again

UE - Networking - Sep 19, 2016

If a NetMulticast function is calledl, it will force non-relevant Actors to become relevant for a few seconds before going back to non-relevant. ...

BSPs cannot be selected through other BSPs set to hidden

UE - LD & Modeling - Modeling Tools - BSP - Nov 17, 2015

BSP brushes cannot be selected through other BSP brushes that are set to hidden through the world outliner. Other assets such as static meshes are unaffected by this or do not cause the same error t ...