Unreal Engine Issues
Unreal Engine Issues
Renaming engine folder causes GenerateProjectFiles to fail on Mac
UE - Platform - Apple - Jul 11, 2016When running GenerateProjectFiles.command on Mac from a folder with a space in the nam, the folder structure is read incorrectly. This leads to the .command file failing when trying to set up Mono ...
IOS 11 Freezes When Generating Particles Using SphereMask
UE - Platform - Mobile - Nov 16, 2018When playing a particle using SphereMask, iOS 11 device terminal freezes.This issue is not a crash, it's screen freeze. Reproduced deviceiphoneX :iOS 11.4.1iphone7 :iOS 11.4.1 Not reproduced devic ...
Poor performance when Player Collision view mode active in City Sample
UE - Simulation - Debug Tools - Apr 2, 2024The Editor become unresponsive and then has very low frame rates after activating the Player Collision view mode in the Small_City_LVL and Large_City_LVL maps in the CitySample project. The curre ...
Possible crash reimporting destructible assets
UE - Simulation - Physics - Destruction - Jan 20, 2017This won't always happen, but the call in ImportDestructibleMeshFromApexDestructibleAsset to LODModel.ReleaseResources(); will enqueue render commands to release the resource, but the call after tha ...
Adding variables to a struct clears struct arrays used in blueprints
UE - Gameplay - Blueprint - Nov 4, 2016Adding variables to a struct clears struct arrays used in blueprints. Regression (yes) issue (does not) occur in 4.12.5 ...
Unable to import animation data from fbx with bone names starting with a number
UE - Anim - Rigging - Control Rig - Jul 31, 2023When importing animations with numeric names from fbx in UE5.2 or later, the AnimationSequence asset is created but the animation data is not imported. The workaround is to not prefix bones with num ...
Release Notes shows Unreal Editor 4.27 notes
Docs - Apr 25, 2022In the Epic Game Launcher the Release Notes button shows the Unreal Editor 4.27 release notes even if the user only has Unreal Editor 5 installed. ...
Console command “showflag.rendering 0” causes crash
UE - Rendering Architecture - Jul 10, 2025A crash occurs when the console command “showflag.rendering 0” is executed. This does not occur in UE5.5, so it is a iassue in UE5.6. ...
The default Direct Link texture path is no longer set in Twinotion settings
TM - Interoperability - Jun 27, 2024Default path for DL is not correctly set and should be set to the following: C:\Users%USERNAME%\Documents\Twinmotion2024.1\DirectLinkTextures See attached screen-shot ...
Change in bitfield in a USTRUCT fails to replicate to clients
UE - Networking - Jun 23, 2015In the sample project provided on UDN, the server changes a bitfield value but the change fails to replicate to the client. ...