Flickering Reflections with Path Tracing

Development Rendering
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1

Hey All!

I am trying to record a short simple video using Path Tracer and MovieRenderQueue. Everything was going great until I started to compile the frames and noticed that the reflections are changing from frame to frame. Attached is a 2 frame .gif showing the issue on the glass tube. None of the lights or SphereReflectionCapture are animated.
PathTracingJitter
Has anyone had experience with this or know what the issue could be? Any ideas are welcome.

2

Could be the denoiser.

Check this out: PATH TRACER Explained - Unreal Engine's Underrated Tool - YouTube

3

Yup, looks like it was the denoiser causing that. With that off though I am getting a lot of pixelation. Guess I just gotta throw more samples at it eh?