A hidden dedicated server is launched when playing as client

UE - Networking - Jul 15, 2020

When we play in editor with the Play Net Mode set to Play as Client, a hidden dedicated server is launched. Previously in 4.24 the dedicated server would always launch with a visible command window. ...

Tracks that manipulate byte properties may have different (non-deterministic) results even for the same frame

zComponent - Archive - Aug 13, 2024

This issue is relatively easy to reproduce, e.g., in the timing of switching between the two types of property operations within the same track. It seems to be easy to reproduce the above problem in ...

Exporting Alembic Skeletal mesh from UE4 to FBX causes a crash

Exporting an alembic skeletal mesh that has been imported and then exporting it to FBX using the asset actions options will cause a crash. Tested with: Crash - 4.13.0 Binary CL-3106830 Crash - 4.1 ...

Spawning a bp, setting the location, and simulating physics in one string will cause the Set Actor Location node to be ignored

UE - Gameplay - May 8, 2015

Spawning a bp, setting the location, and simulating physics in one string will cause the Set Actor Location node to be ignored User Description: One is if you spawn a physics actor which has simu ...

Saving an asset after renaming it, if it wasn't saved before that, can cause it to exist without being visible.

Tools - Jun 1, 2015

If you 'Save All' after renaming an asset after it's creation, without any saves prior, it will appear in the windows explorer's content folder but will not be visible in the editor. ...

Lighting still unbuilt in Content Examples Lighting map after building lighting and saving

UE - Graphics Features - Aug 28, 2016

Lighting needs to be rebuilt in Content Examples Lighting level every time the editor is reopened. If the user builds lighting, saves the level, closes the editor, then reopens the level, lighting ...

Can't save map warning with Create Dynamic Material Instance node using wrong input

UE - Gameplay - Blueprint - Dec 18, 2015

When using a Create Dynamic Material Instance node the Get Material node will plug into the World Context Object rather than the Parent input. This will cause a error to be thrown that does not allo ...

Calling RestartGame Function causes a crash when exiting PIE

UE - Gameplay - Jul 7, 2015

If the Restart Game function is called in blueprints or code then the editor will crash when exiting PIE [Link Removed] ...

Hide softkey feature in Galaxy S8 leads to input lag when trying to receive input into text box.

UE - Platform - Mobile - Jul 24, 2017

Hide softkey feature in Galaxy S8 leads to severe lag/freeze when trying to insert character into textbox in UMG. This feature is updated for Global version(Mali) for now(7/24/17) So you might need ...

[CrashReport] UE4Editor_DetailCustomizations!`FBrushDetails::CustomizeDetails'::`2'::Local::OnClassPicked() [brushdetails.cpp:172]

Tools - Aug 29, 2017

This is a common crash that has occurred since at least 4.15 and affected more than 100 users. The callstack shares some similarities to [Link Removed], which was not resolved. User DescriptionsGo ...