With two viewports some show flags reset after clicking new actor in Outliner

UE - Editor - Verse Class Editor - Feb 12, 2022

In my 2nd viewport I like to turn Mode Widgets and Selection off. After I turn them off, if I select any actor through the Outliner, both those show flags turn back on in my 2nd viewport. I think a ...

FIntVector has some code that refers to it being two dimensonal

UE - Gameplay - Mar 10, 2016

There is code in the FIntVector class (IntVector.h) that seems to be copied from the FIntRect class which is a problem since FIntRect is two dimensonal while FIntVector is three dimensional. The one ...

[Configuration] Exported Presentations do not adhere to "Visible Configuration" settings and display all Configurations

TM - Tools - May 19, 2026

Reported in SF [Link Removed] Exported Presentations do not respect the "Visible Configuration" settings set for the Presentations and instead display all Configurations regardless of whether they ...

Landscape visualizers don't work on nanite landscape

UE - Graphics Tools - Terrain - Nov 24, 2025

Landscape visualizers do not work on Nanite Landscapes. Also tested in //UE5/Main/, CL: 48569009 The licensee has provided a patch file with a potential fix. ...

Actors attached to a Child Actor Component do not replicate movement on the Client

UE - Networking - Oct 20, 2015

Actors attached to a Child Actor Component do not replicate movement on the Client. User's test project attached. Reproduced in 4.9.2 binary and Main (CL 2735029) ...

Sending a string or text of 1024 or more characters disconnects Client and Server

UE - Networking - Oct 5, 2015

Sending a string or text of 1024 or more characters disconnects Client and Server. 1023 works without disconnection. Possibly a buffer overflow problem? Is this expected behavior? Reproduced in 4. ...

DataSmith importer is setting incorrect scale on Actors

OLD - Enterprise - Nov 16, 2018

When importing, DataSmith is assigning a scale on the actors, the option to set the import scale is no longer available in 4.21. ie: a 36" item comes in at 96" This was reported and tested in 4.21 ...

Crash when ribbons use delayed spawn particle as source.

UE - Graphics Features - Dec 3, 2015

User has found bug but has a working fix. Verify fix and implement in engine. ...

Typos in Array.h

UE - Foundation - Core - Dec 28, 2015

In Array.h, there are a few typos in comments. In 4.9.2 and 4.10, the typos occur at line 2335 and 2359. *@param InIntem Item to be added. In Main, the typos are located at lines 2471 and 2495. ...

WASM HTML5 Runs out of Memory in Chrome versions 58+ on Windows

UE - Platform - Mobile - May 5, 2017

We were seeing out-of-memory errors when launching on Chrome version 58 on Windows (both 32-bit and 64-bit). After some investigation, the root cause appears to be a regression introduced in Chrome ...