Arcane (2020), Pioneer BDR-S13UBK: Extremely slow write speeds

[DGAFfeinated]

Preamble: The S13UBK I own was purchased in Feb 23 and has not acted in such a way that would indicate it may need to be flashed.
I just received the steelbook for Arcane and have attempted to rip them onto my NAS for Plex. Unfortunately, the read rates on at least disc 1 (Have yet to try the others - will update) are horrifically slow, with MakeMKV rating it at 10.5ish MB/sec with frequent pausing. MakeMKV is not outputting fatal warnings and the disc itself otherwise seems fine. The player I am attempting to use has written 80GB discs in 2.5-4 hours, but is struggling here.

UPDATE IN INTEREST OF NOT NECROING: I ran a warm restart on the computer with the S13UBK and it start ripping fine again. Albeit, it's still hitting lows like 2.5x, but that's normal for the most part.

[Billycar11]

Likely just had to clean the discs but if it makes it through fine forgot it

If it were an LG or Asus pausing would make it give a hash error making you restart the rip so your better off with a pioneer but yours likely can't do UHD blu-ray if it has new fw.

I'm UHD you should get about 4x on UHD
About 17 Mb/s

[Unwound1]

I had a really hard time reading the second UHD disc. It slowed way down and did hundreds of re-reads over and over in a certain section, making the usual chirping sound as it did. What disc did you have trouble with?