Unreal Engine Issues
Unreal Engine Issues
Can't connect nor send packet via TCP socket in iOS
UE - Platform - Apple - Jun 9, 2020TCP Socket messaging in iOS seems not working. ...
Pasting timeline components into another actor and then choosing "cancel" on fix self context function references results in a broken state
UE - Framework - Components - Sep 13, 2021upd. Regression was checked on //UE4/Release-4.26 CL 15973114, issue was reproduced. Regression - No ...
Lumen Software Raytracing has big lighting difference comparing to Hardware raytracing
UE - Graphics Features - Apr 20, 2022[Quartz][Crash] - Subscribing to All Quantization Events and then playing a sound on all Quantization boundaries crashes the editor
UE - Audio - Quartz - Jun 3, 2021Hit this when I made a blueprint and Subscribed to ALL quantization events instead of the one I was interested it and tried to use all of them as my Quantization Boundary. The alt title of this bug ...
[Substrate] Workaround for DXC problem with roll unlooping
UE - Graphics Features - Substrate - Apr 8, 2024We should get to the bottom of this workaround and revert it eventually. Reported here: [Link Removed] ...
LandscapeSplineMeshesActor instances not deleted when World Partition is disabled
UE - World Creation - Worldbuilding Tools - World Partition - Oct 30, 2024When landscape splines exist in a WP level, LandscapeSplineMeshesActor instances are created to allow streaming of splines. In a non-WP level, splines are components of the landscape actor. When a W ...
It is possible for PreLoadScreen to leak memory when an EngineLoadingScreen returns IsDone while still loading
UE - Graphics Features - Jan 9, 2025It is possible for a class that implements IPreLoadScreen to leak memory if GetPreLoadScreenType returns EngineLoadingScreen and IsDone returns true before the engine signals loading is completed vi ...
Opcode shader compilation error when using a TextureSampleParameterCubeArray node with hardware ray tracing enabled
UE - Graphics Features - Ray Tracing - Mar 31, 2025Materials containing a cube array texture sampling node will not compile when hardware ray tracing is enabled. The shader compilation error indicates that an invalid op code was used: "Opcode Sample ...
Skeletal mesh with SetTickableWhenPaused causes crash on pause
UE - Gameplay - Jul 31, 2015If a skeletal mesh component is has SetTickableWhenPaused set to true then the editor will crash when the game is paused. This happens when set in blueprint or code. ...
MakeEditWidget specifier does not create edit gizmo in blueprint editor
UE - Gameplay - Blueprint - Jul 27, 2015Using the MakeEditWidget specifier inside a UPROPERTY macro and creating a blueprint based on the class will show the translation gizmo inside the main editor viewport but the gizmo will not show up ...