Yep, dead sure. I just recently discussed a different issue in another thread with Sam and ActionA which involved 444 and 10 bit setting in attr.
I did the test with the whole movie that was identical in media info k2u3 posted above. Just redid the test with the sample provided on https://collab.osmc.tv/s/CCDAKiBr9SQOIlO and it’s the same. It also looks the same as the whole movie.
You can do screenshots with LG’s WebOS: LG WEBOS 3.0 (PAP & Freez Screen & ScreenShot ) - YouTube but I’m not sure about how to get them from the TV to another device so you can upload them on here, show the difference, and compare.