bitcoin core – format blk00000.dat

Are you able to inform me why the blk00000.dat file in early variations of bitcoin core accommodates the same old format. There are magic bytes and all transactions.

The blk 000000.dat file from the previous variations of the common format is regular

And within the new new variations of bitcoin core, the blk00000.dat file is in an obscure format, there aren’t any magic bytes. How can I convert it so that there’s readable knowledge?

The blk000000.dat file from the brand new model of bitcoin core format is unclear, there aren’t any magic bytes in it

How do I convert the blk00000.dat file and all subsequent blockchain information in order that there are magic bytes and every little thing else?