Avoid layer break issues with multi-layer BD-Rs
 

Disc quality of multi-layer BD-Rs has degraded significantly recently. The best media was made in Japan by Verbatim but the manufacturing equipment was now transferred to Taiwan and the qualty is worse. In many of jadburners tests you can see issues at the layer break even with Pioneer drives. Regarding movies you will see stutter or the movie is hanging completely at that position. Regarding data you will see errors and the data can't be read. There is an easy but efficient way to work around it but burings speed will be half of what you select. The original guide was released in the Redfox forum but that's history. I tried to make a compact version of it and have it attached here.

Dear Coopervid, thank you! already tested before -it works, but If a disc is good quality - better not to use this procedure IMHO.
is a redfox forum will work?

You don't seem to understand. There are no good discs anymore since production from Japan was stopped. You might get discs from stock from Japan that are still good. But new production is just bad. we checked a lot of MIDs with VPTools. Believe me! Of course you can burn still the standard way but if you want to be sure to get good results you should use spare areas with multi layer discs. Have you checked your burns with VPTools? If not your statement is just a guess and not based on quality checks. You will need a LG burner and the BH16NS58 firmware to do so. And burns with LG drives are bad anyway even with good media. So to be sure to have a good burn with multi-layer discs, you need a) a Pioneer drive b) still decent media like the Riteks I posted c) burn with spare areas. PM me if you want to do your own checks.

And no. Redfox is dead. The authorities were after them and so it was shut down.

yes my answer is based on VPTools results (MID MEI-T02-001).
example: Pioneer BDR205 2x OPC:off
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https://ibb.co/RGXvxNF

These discs were those made in Japan as I mentioned in my first post. Not anymore since the new ones are made in Taiwan and the quality has degraded significantly since. So expect much worse results when your stock of old ones is gone.

exactly this one was made in Taiwan, yes the quality of the surface visually not so good as Panasonic, test ok, reliability unknown

Both of my buddies kufo and tectpro went away from the Verbatim MEI-T02-001 since the quality of those made in Taiwan was much worse checking with VPTools and even got stutter while playing back movies. One of them is located in Europe and the other one is located in Malaysia. They all switched to the Ritek MID you see in my PDF and burn using spare areas.

I remember, I searched for graphs on the net - and they were very different for this MID RITEK-DR3, from excellent like yours to terrible. Maybe you know a specific place to buy from.
I see Verbatim MEI-T02-001 in Japan (I read that production is discontinued in 2021.) but price is to high 24000JPY -50pcs it is more expensive than Japanese SONY 128 (per Gb)

You see these discs in Japan but they are not made in Japan anymore.