UCommonVideoPlayer/Electra does not work in 5.3

UE - Media Framework - Jan 30, 2024

This appears to be connected to playing immediately upon opening. This behavior is not observed when in the Release-5.1 or Release-5.2 streams. With the same setup, the video will start playing on t ...

'Get Distance Along Spline At Spline Point' Causes Crash

Tools - Jul 28, 2018

User reports that the reason for the crash is that because UpdateSpline is false on the AddSplinePointAtIndex blueprint node, this line is never called [ReparamTable.Points.Reset(NumSegments * Repar ...

Custom Nav Area Not Affecting Nav Mesh Until Restart

UE - AI - May 2, 2016

When using a Nav Modifier volume with a custom Nav Area class, the Nav Mesh is not being affected until the editor is restarted. Found in 4.11.2 binary. Reproduced in 4.12 Preview 1 binary and Main ...

Using Snap Rotation displays the Rotation wrong (or calculates the Rotation wrong and losses precision) when the Y rotation axis is 90 degrees

UE - LD & Modeling - Modeling Tools - BSP - Nov 7, 2019

Although the Details Panel shows the degrees wrong, the object seems to have done it's rotation correctly but not in the right degrees. It will rotate to the position specified but it goes the wrong ...

Alembic Hair Doesn't Render In Both Eyes In VR

UE - Platform - XR - Dec 20, 2019

Alembic hair doesn't render in the right eye in VR. A demonstration project can be found [Link Removed]. NOTE: The hair is rendered as an overlay in other editor previews (skeletal mesh, Physics). ...

Cannot Increment an Element of an Array

UE - Gameplay - Blueprint - Apr 15, 2016

Attempting to increment the value of an array element does not seem to work, and instead returns the original value that was passed into the increment int node. Found in 4.11.1 binary. Reproduced i ...

Dialog Subtitles randomly Disappear or Display out of Sync

UE - Audio - Sep 8, 2016

Dialog Subtitles display out of order or disappear when called to the screen. The users reporting the issue believe this could be due to the priority of the Sound Waves conflicting with one another ...

Gameplay Tag Query Variables Don't Retain Custom Default Values in Custom Structs

UE - Gameplay - Dec 4, 2019

Gameplay Tag Query variables in custom structs created via the content browser do not retain custom default values. Found in 4.23.1 CL# 9631420 Reproduced in 4.24 Preview 4 CL3# 10387632, 4.25 Main ...

Screen space reflection flickering

UE - Graphics Features - Nov 26, 2019

Flickering is occuring when using a reflection material with screen space reflection enabled. Did not start occuring until 4.19 and beyond.  Tested in: 4.23.1 CL#9631420, 4.24 P3 CL#10283392, 4 ...

Cascade High DPI bug - No (no proper) horizontal scrollbar in emitter tab

Tools - Mar 22, 2018

On a 4K monitor with high DPI support enabled in the Editor some issue will occur with scrolling in particle effect emitters. This causes some of the emitters to get cut off completely and unable to ...