Pixel mismatch for Chimera-AV1-8bit-480x270-552kbps.ivf
Bottom of frame 212-239 (x=186,y=264,plane=1/Cb). Artifact goes away when loop restoration is disabled. You can debug using --skip=120 --limit=100, and the first (invisible) frame containing the artifact is frame_offset=96.
After this, there are more LR-unrelated (i.e. disabled in both decoders, it still happens) mismatches in e.g. frame 289-290,301,310-311,313-325 and following bottom/right Y plane, 295 U plane bottom/left as well as the V plane (bottom/middle) in frame 325 and further.
Edited by Ronald S. Bultje