Unreal Engine Issues
Unreal Engine Issues
Standalone window played from editor hits assert Index >= 0 in UObjectArray
UE - Gameplay - Blueprint - Sep 23, 2016Standalone window in editor will hit assert in a bit of time. Issue doesn't happen is playing standalone via Visual Studio. ...
Crash on exit PIE when playing with more than one player on Linux
UE - Platform - Linux - Oct 3, 2016When playing in non-single player game in the editor (either set # players or check dedicated server checkbox), the editor will crash when the play session ends. Regression: Yes - editor does not c ...
Editor Freeze-Crash if Possessing Pawn with AI controller
UE - Gameplay - Mar 19, 2018When trying to possess an already existing, uncontrolled character with an AI controller on server (from actor component) while in multiplayer mode, the editor keeps freezing until destroyed with t ...
User widget object is invalid when called in a widget component on BeginPlay
UE - Editor - UI Systems - Jun 25, 2019User widget object is returning invalid inside of a widget component ...
Groom/hair "exploding" in multiplayer mode (PIE Listen Server + 2 Players)
UE - Graphics Features - May 12, 2021Android API 30 LaunchURL Not Working
UE - Platform - Mobile - Jul 22, 2021The LaunchURL blueprint node is not functioning when using non-default browsers in API level 30 on Android Devices. Another licensee reports that the default browser may not be relevant, as any brow ...
Rect light LTC textures fail to load when cooking with bSharedLinearTextureEncoding enabled
UE - Texture - Apr 2, 2025When running a build with bSharedLinearTextureEncoding enabled, View.GGXLTCMatTexture and View.GGXLTCAmpTexture are pointing at the black texture fallback, which affects correctness of rect lighting ...
Particle Frequency Not Working As Expected
UE - Graphics Features - Mar 20, 2017Particle frequency doesn't appear to have any visible influence on the particle system. You can test this by changing the particle frequency value on the particle system in the attached project. ...
Mac Editor crashes when deploying
UE - Audio - Apr 17, 2017This issue occurs NO MATTER your deployment type. (e.g. PIE, Launch, Package...) This is BLOCKING all deployment from the Mac platform. This is a regression and does not occur on Windows. ...