NPC - When an NiagaraParameterCollection asset is duplicated or when its namespace is changed, any existing parameters get incorrectly duplicated/renamed with the addition of the namespace prefix

UE - Niagara - Sep 30, 2024

When an NPC asset is duplicated, the ne wasset gets incorrectly duplicated parameters: one set with the correct names, and one set with the original namespace prefix embedded into the names. These i ...

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 ...

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 ...

Creating a blueprint from selected components crashes editor if components contain a blueprint with a component

UE - Gameplay - Blueprint - Nov 4, 2015

Frequency: 2/2 Crash Reporter: [Link Removed] Editor crashes if the option: "Convert Selected Components to Blueprint Class" is selected from main editor viewport>Blueprints context menu. This occu ...

Changing a node to a pure function does not remove breakpoints from node and they must be turned into an impure function again

UE - Gameplay - Blueprint - Aug 19, 2015

Changing a blueprint node to a pure function while a breakpoint is set on the node will maintain the breakpoint. Additionally, the breakpoint cannot be toggled or removed until the node is turned ba ...

Losing focus of blueprint component viewport prevents W,E,R from changing transform widget

UE - Gameplay - Blueprint - Aug 4, 2015

If focus is taken away from the viewport window in blueprints (LMB in the details pane, for instance), pressing W, E, or R to change the transform widget will not work until focus is returned. ...

Using "Create Level Sequence Player" can cause the sequence to stop after 60 seconds

UE - Anim - Sequencer - Jun 23, 2016

When using "Create Level Sequence Player" to control a sequence (in this case to Play), it will stop playing at 60 seconds ...

Foliage frustum cull based on incorrect bounds size

UE - World Creation - Worldbuilding Tools - Foliage - Aug 22, 2016

When changing the static meshes of a Foliage instance by swapping the mesh or changing the scale (build settings) of the mesh, the bounds for the mesh do not appear to update to use the new bounds. ...

Adding variables to a struct clears struct arrays used in blueprints

UE - Gameplay - Blueprint - Nov 4, 2016

Adding variables to a struct clears struct arrays used in blueprints. Regression (yes) issue (does not) occur in 4.12.5 ...