Parameterized Vector4 is treated as Float3

UE - Graphics Features - Aug 28, 2020

A Parameterized Vector4 are being treated as Float3. This prevents users from being able to use Vector4s in an If node during runtime. This is seen as far back as //UE4/Release4.22 cl 8065155 so th ...

[Feature Request] Cryptomatte for Foliage

UE - Anim - Sequencer - Jan 25, 2021

Cryptomatte implementation only looks at the HActor hitproxy type which is a different type than ISMs which use HInstancedStaticMeshInstance. ...

Crash when opening or editing a DataTable with a Row Structure that contains a BodyInstance

UE - Simulation - Physics - Editor - Apr 5, 2024

If a DataTable Asset is created with a Row Structure that contains a member variable of type BodyInstance, the Editor will crash when attempting to open it while it has no rows. It will also crash w ...

Geometry with Static Shadow Invalidation Behaviour being written into invalidated VSM Pages

UE - Graphics Features - Shadows - Jul 17, 2024

Geometry that has its "Shadow Cache Invalidation Behavior" set to "Static" will still draw in the dynamic shadow cache when it is experiencing WPO ...

Substrate SSR reflections are black

UE - Graphics Features - Substrate - Dec 17, 2024

Substrate Materials do not use Screen-Space reflections. Instead, they do not have any reflections (indirect specular) on the surface. ...

Translucent Materials do not work well with Depth of Field

UE - Graphics Features - Apr 10, 2015

Depth of Field do not work well when using a translucent material, even if the material has no opacity set. Image attached as reference. Light brown colored mesh is translucentGray mesh is opaque ...

Collision thickness on landscape does not appear to work

UE - Simulation - Physics - May 27, 2015

Setting the collision thickness for the landscape does not appear to have any effect on any objects colliding with it. Setting the value to a negative or a positive has no effect. ...

Set Material for a DM in the Construction script will result in a crash

UE - Simulation - Physics - Destruction - Jun 3, 2015

Setting a material in a BP construction script after setting a DM will result in a crash. This will render the BP inaccessible once the project reloads. Opening the BP will result in an instant cras ...

Traces to Spawned Destructible Mesh Actors returning inconsistent results

UE - Simulation - Physics - Destruction - Jun 18, 2015

When spawning an Actor containing a Destructible Mesh and immediately doing a sphere trace to that actor, upon repeated spawns you will get False results for some time then True results for a while ...

Breakpoints in default Pawn class are not triggered in Debug mode

UE - Foundation - Core - Jul 27, 2015

When running the editor through VS debug mode, any breakpoint that is set in the class used as the Default pawn class in world settings will be ignored when playing in editor ...