Game window renders transparent when launched with -game -log commands on Mac

UE - Platform - Apple - Oct 31, 2016

This is only occurring on Mac and only in OSX 10.12. This is also a regression from 4.13 Right clicking in the dock, Show all windows, and selecting the game window does NOT fix the issue. Runnin ...

Variables not labeled as Editable will not update with branch

UE - Gameplay - Blueprint - May 9, 2017

Variables not labeled as Editable will not update with a branch node inside of the construction script. Variables behave as expected when not connected to the branch node. This issue was tested with ...

Engine crash from opening level bounds blueprint after project reopens

UE - Gameplay - Blueprint - Jun 2, 2017

There is a crash that is occurring when a blueprint with the parent of "Level Bounds". The crash occurs when the project is closed and reopened. Opening the blueprint immediately after it was create ...

Accessed None for Sequence Actor references in project upgraded to 4.17

UE - Anim - Sequencer - Jul 14, 2017

In a project upgraded from 4.16 to 4.17, the level sequence doesn't play on first PIE and returns Accessed None errors. Next time you PIE, it plays fine. This now happens every time you re-open th ...

Crash occurs on Mac when using the Command-S keyboard shortcut to save a Blueprint if the Mac input language is set to Japanese Romaji

UE - Platform - Apple - Aug 10, 2017

The Editor will crash when using the keyboard Command-S shortcut to save a Blueprint after adding a node if the Mac is set to use Japanese Romaji input. The crash actually seems to occur as soon as ...

Go To Definition fails quietly for Native functions with no definitions

UE - Gameplay - Blueprint Editor - Aug 11, 2017

Go To Definition fails for Set and Map Utility nodes (does not seem to affect Arrays). A warning similar to the following appears in the output log:LogSelectionDetails: Warning: NavigateToFunctionS ...

Renaming or moving Assets with a captured thumbnail removes the thumbnail

Tools - Sep 29, 2017

Renaming or moving Assets with a captured thumbnail removes the thumbnail when it should preserve the captured thumbnail. This issue does not appear to be a regression. Versions Tested: Issue occur ...

Light Propagation Volume Occlusion Intensity not working as intended

UE - Graphics Features - Oct 26, 2017

Light Propagation Volume Occlusion does not affect scene as it should. The workaround in 4.17.2 is to disable DBuffer decals which will enable the Light Propagation Volume Occlusion. Occurs in 4.1 ...

ObjectScale returns a Cascade Mesh particle's XYZ scale as 1.0

UE - Niagara - May 13, 2020

Sampling a Cascade Mesh Particle's scale always returns XYZ as 1.0 This is a regression from UE4/Release-4.24.  This does NOT affect Niagara Mesh particles.  I've attached a Cascade (left example ...

[MetaSounds] The Members' detail panel does not accurately update after making an edit and selecting a different member

UE - Audio - MetaSounds - Jun 26, 2023

Note: This issue also affects MetaSound Patches and any Members Menu List Repro Rate: 5/5 Regression marked as No: issue was seen in 5.2 and 5.1  UE5+Release-5.2-CL-26001984 UE5+Release-5.1-CL- ...