Rotation gizmo affects post processing and reflections in the scene

Tools - Jul 6, 2015

This has been around since public launch. The rotation widgets emissive material will cause trouble with the post processing and reflections in the scene. Especially troublesome if you with bloom an ...

Regression of CanJump Function not being accessible in blueprints in 4.8

UE - Gameplay - Jun 26, 2015

When trying to override the CanJump function of a character blueprint, the function does not show up in the MyBlueprint panel's function section. Hovering over the Function bar shows the "Override" ...

This Blueprint will not compile and causes a crash in 4.8

UE - Simulation - Physics - Mar 18, 2015

The MiningBuilding Blueprint in this user's project will not compile. Clicking the compile button never switches it to "Good to Go", and a warning that it needs to be compiled appears at PIE. Repro ...

UDestructibleComponent::ApplyDamage doesn't affect root chunk if the mesh doesn't fracture.

UE - Simulation - Physics - Destruction - May 6, 2016

ApplyDamage 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, 2016

As 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, 2017

The 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 ...

USE_EQS_DEBUGGER affects runtime EQS results in SingleResult mode

UE - AI - EQS - Mar 26, 2020

The 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, 2021

Licensee 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 ...

DrawDebug elements on screen affect aspect ratio letterboxing

UE - Rendering Architecture - Nov 1, 2023

During gameplay when the view target camera's aspect ratio is not exactly the viewport's aspect ratio, the presence of rendered debug draw elements (DrawDebugArrow, etc) makes the viewport's rendere ...