Media Player not updating when IMG Media Source files are changed

Media Framework - Aug 20, 2020

Images in a sequence path for an Img Media Source are not updating without restarting the project. Changing the path itself appears to work as expected.  Tested in versions 4.22.3(CL 7053642), 4. ...

Selecting multiple actors with differing DataTableHandles causes data loss

UE - Gameplay - Jan 4, 2021

The data table customization (and probably others) tries to aggressively clear out row references that are not valid in the table they point to. This breaks when selecting multiple actors or objects ...

When using StringToBytes() it returns an incorrect value

UE - Foundation - Core - Jan 4, 2018

When using the StringToBytes() function it returns one less byte due to the -1 at the end of the return. The function takes a string and converts it to bytes but it always returns one less byte than ...

Double-Clicking a Camera in the World Outliner Changes Its Position

Tools - Sep 29, 2015

When you double-click on a camera in the world outliner to snap to its location, it instead moves the camera from its original position. Found in 4.9.1 binary. Could not reproduce in 4.8.3, this i ...

Separate Translucency Advnaced Show Flag not working as expected

UE - Graphics Features - Jan 11, 2017

The show flag Separate Translucency is on by default. In TM-ShowFlags_Advanced, the sphere in display 1.7 should not be blurry when you enter the volume. Toggling the flag on and off doesn't change ...

Billboards not displaying in PIE or Standalone game with Orthographic Camera

UE - Graphics Features - Mar 24, 2015

When placing a billboard in a level (via a blueprint) with an orthographic camera, the billboard will not be rendered unless a significant distance in front of camera, comparing 4.61 project with th ...

Playrate / slomo causes motion blur length to change incorrectly

UE - Graphics Features - Jun 16, 2017

Discuss with the team what the actual desired behavior should be and adjust this calculation. This one is meant to stabilize the motion blur when we have a variable delta time but may be having kn ...

Editing values in ReverbMasterSubmixEffect causes crash

UE - Audio - Nov 7, 2019

Adding and removing Submixes at runtime, then editing the preset causes the editor to crash. Tested in 4.22.3 (CL - 7053647), 4.23.1 (CL - 9631420), 4.24 (CL - 1050688), 4.25 (CL - 10069288) ...

Using the F key to focus the viewport camera on an actor does not work if the main editor window does not have focus

Tools - Sep 26, 2015

Using the F key to focus the viewport camera on an actor does not work if the main editor window does not have focus. Reproduced in 4.8.3 binary, 4.9.1 binary, and Main (CL 2707185) ...

Serialized Blueprints containing MIDs do not load correctly in packages.

UE - Rendering Architecture - Materials - May 8, 2024

This issue is an easy fix but raises a different problem which is likely ingrained in UE, which is that MIDs should not be serialized out and should always be transient. Unfortunately we are in a po ...