Unreal Engine Issues

Spawning Instanced Meshes with Multiple Collisions Produces Error Log Spam

Constructing instanced meshes with multiple collision components spams the output logs with error messages. ...

Hex code that is applied to a light is forcibly changed with using the Details panel in the World Outliner

If a user sets the light color with a node (Set Light Color) in blueprints, it will use the exact Hex code that is given. However, if the user uses the world outliner to set the light color of a lig ...

OnClicked events do not trigger on objects 100k units away from camera

Objects that are 100k uu+ away from camera do not trigger "OnClicked" events ...

Setting Is Closed on an Instance of a Spline's Details Returns False in the Actor's Construction Script

When attempting to get the value of Is Closed on an instance of an actor's spline component, the value is always false during construction of the actor. On Begin Play, the Is Closed value returns t ...

Collision filtering issue when multiple shapes on an actor

Collision filtering is producing unexpected results in certain setup. Objects are passing through one another when they are expected to collide. ...

Hot Reload not updating variables that have their values set in the constructor

If a variable's value is being set in the construction script of a class and then that value is edited (the line itself is edited, not another setting of the variable), hot reload will not update th ...

Translucency area has stripe-style issue on TSR

The TSR History Rejection buffer develops a grid-like artifact over translucent, camera-facingplanes. This problem can be mitigated by increasing r.TSR.ShadingRejection.TileOverscan from 3 to 4 with ...

Light does not affect landscape splines in raster pipeline (non-RT)

Setting Lights, Static Meshes, and Actors to movable creates lighting error

There is an error that is occurring when using movable lighting with objects and actors that are also set to movable. This issue does not occur with objects or lights that are NOT set to movable. V ...

Assert in EditorEngine.cpp after HotReload

This occurred when I tried to repro an ensure and crash the resulted in [Link Removed]. In the crash group on the Crashreport website I noticed that KimK had the same callstack as this one. She wrot ...