Mouse Not Functioning Correctly with Multiple Displays Connected to Mac

UE - Platform - Apple - Apr 24, 2015

When using mutliple monitors connected to a Mac the mouse behavior does not function well. Attempting to navigate and drag windows to and from individual displays proves difficult. The user reporti ...

scroll box inside retainer box does not respect scroll box clipping

UE - Editor - UI Systems - Feb 14, 2018

There is an issue where scroll boxes inside retainer boxes do not respect scroll box clipping. This issue appears to be a regression. Versions tested: Issue does not occur in 4.17 4.17.2 CL - 36589 ...

Using "Change Class" on Spawnables, Possessable references retain old Class info

UE - Anim - Sequencer - Apr 22, 2024

Changing Class for Spawnable objects in Level Sequence did not have any impact on Possesable objects in Subsequence. It's still referencing the previous Class. Also found in Release-5.4, CL: 329753 ...

Moving a component in the main viewport does not call PostEditComponentMove() function

Tools - May 18, 2016

When a non-root component for an actor is moved in the blueprint viewport, that component's PostEditComponentMove function is called. Adding the actor to the main editor viewport and then moving th ...

Set end frame has incorrect bounds type

UE - Anim - Sequencer - Mar 31, 2020

When calling Set End Frame the TRangeBound type defaults to inclusive causing the range to go from [0, 50) to [0, 50]. This causes the section to last for one frame longer than it should. ...

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. ...

When loading a new level, a variable of the subclass of type is reset to null in the classes inherited from UGameInstance or UGameInstanceSubsystem

UE - Foundation - Data Pipeline - Cooker - Dec 1, 2022

Reproduced 3/3 times, issue does not occur in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed Regression. It's only in packaged & quick launched builds that this occurs; PIE works as normal. ...

Bink Media Player leaves last rendered frame in viewport on play

RAD - Bink Video - Aug 4, 2022

Essentially, when set to "Overlay Fill Screen," the Bink Media Player will render the last viewed frame over all game levels in PIE, without actually playing the video or being given any sort of pla ...

Setting a parent and child static mesh scale to negative effects the rotation on child movement

UE - Gameplay - Jun 1, 2016

Setting a parent and child static mesh scale to negative effects the rotation on child movement This is a regression. Worked in 4.11.2. User Description: We have a simple project example (see att ...

One-off Crash after Hot-reload compile from Editor

UE - Foundation - Core - Oct 20, 2016

The compile toast notification read that it was successful, then the Editor crashed about 10 seconds later. Error Message in Crash Reporter: Access violation - code c0000005 (first/second chance n ...