What is the default partition type (case sensitive or insensitive) in Macbook pro 2020 (BigSur)?
What is the default or recommended partition type for the latest MacOS (Big Sur)? APFS case sensitive or case insensitive?


case insensitive


What is the partition type if I buy a latest Macbook Pro (2020)? APFS case sensitive or case insensitive?


case insensitive

While I do not have a 2020 MacBook Pro to verify my answer, I would assume that since Intel Macs are case insensitive, that the M1 Macs would be also.
If you need a case-sensitive volume, you can just add one to the existing APFS container. Adding or removing a APFS volume does not require repartitioning.