Unreal Engine Issues

Crash when starting PIE on a World Partition level with a Niagara Component inside nested Child Actor Components

Consider an actor containing a Niagara Particle System Component, which is instantiated from another actor's Child Actor Component. When initializing PIE on a World Partition level containing this s ...

GPU Crash in Niagara Fluids template when WorldSpaceSize has a component at 0

The NiagaraFluids plugin provides several Niagara System templates to use as a starting point for the user's own Systems. The templates in category "3D Gas", such as "Grid 3D Gas Explosion", include ...

TakeRecorder cannot record Auto Activate and Destroy of Niagara effect

When Niagara FX of a recording actor is spawned during taking a record, that FX behavior must be recorded and able to be playbacked. However, Niagara Component Auto Activation by BP node is not reco ...

Sparse volume textures displayed in Heterogeneous volume only visible in left eye with instanced stereo enabled

Niagara using a Volume and Mesh renderer with a shared base material does not renderer correctly

Using a shared base material with both a Volume and Mesh renderer causes the emitter to render as a glowing box at the scale of the bounding box. ...

When an active Niagara Component is moved and reset+reactivated in the same frame, "Interpolated Spawning" causes "Spawn Burst Instantaneous" to spawn particles in the previous frame's outdated location

Consider a Niagara System with an Emitter in "Global Space" that has "Interpolated Spawning" active and a "Spawn Burst Instantaneous" module with a "Spawn Time" of 0.0 (for example, the built-in Con ...

Certain Niagara particles can disappear after switching to the debug cam

GPU particles disabled on Quest

GPU particles were disabled on Quest 1 due to a compute issue. We need to validate / fix issues for Quest 2 / Quest 3. Reported in [Link Removed] ...

Having two Play Persistent Audio modules in Niagara will only play the first sound

Only one Play Persistent Audio module will work at a time in a Niagara emitter. ...

Opening a Niagara asset that references a disabled plugin (Chaos Niagara) can crash the editor

Opening a module with references to a disabled plugin can crash the editor.  ...