Unreal Engine Issues
Unreal Engine Issues
When loading a new level, a variable of the subclass of type is reset to null in the classes inherited from UGameInstance or UGameInstanceSubsystem
UE - Foundation - Data Pipeline - Cooker - Dec 1, 2022Reproduced 3/3 times, issue does not occur in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed Regression. It's only in packaged & quick launched builds that this occurs; PIE works as normal. ...
Switching CanEverAffectNavigation on a Dynamic Obstacle Leaves Original Area Behind
UE - AI - Sep 15, 2016When setting Can Ever Affect Navigation to false, moving it, and then setting it back to true, the originally affected area remains, and it also creates a new affected area. This occurs each time y ...
ALT-Drag a non-DBuffer Decal will Crash the Engine
UE - Graphics Features - Jun 11, 2015When you ALT-Drag a Decal that is not using the Dbuffer settings, the Engine will crash. The issue is not reproducible in Main Promotable-CL-2581018 This is a regression. Worked in 4.7.6, broken ...
UDestructibleComponent::ApplyDamage doesn't affect root chunk if the mesh doesn't fracture.
UE - Simulation - Physics - Destruction - May 6, 2016ApplyDamage calls through to applyDamage on the apex actor, which takes the impulse and applies it to any fractured chunks. If however not enough damage is done to the component to fracture it, no i ...
Bloom banding when exiting top of screen, doesn't affect other sides
UE - Graphics Features - May 27, 2016As a blooming object (the sun in this repro case) leaves the view via the top-edge of the screen, some noticeable banding occurs. Happens in both PIE and -game. Found on: //UE4/Main CL-2991400 //U ...
Soft Contraint's Stiffness and Damping settings don't affect anything
UE - Simulation - Physics - May 19, 2017The settings for "Stiffness" and "Damping" in the Soft Constraint setting for Physics Constraints doesn't seem to have an effect on anything. Regression?: No This also occurred in 4.14 ...
Android movie player doesn't work with ES 3.1
UE - Platform - Mobile - Jul 27, 2017Niether movie playback Startup Movies Play on ES3.1 ...
USE_EQS_DEBUGGER affects runtime EQS results in SingleResult mode
UE - AI - EQS - Mar 26, 2020The licensee described it really well so I'll just copy what he said: When EQS debugging is enabled via USE_EQS_DEBUGGER, queries run in 'SingleResult' mode will not clear discarded items from the ...
ProceduralMeshComponent only supports 4 out of the possible 8 UV channels
UE - Graphics Features - Feb 4, 2021Licensee reports that Procedural Mesh Component is apparently limited to 4 UV channels, which indeed appears to be the case (e.g. UProceduralMeshComponent::CreateMeshSection arbitrarily processing 4 ...