One thing that wasn't mentioned is the max sustained screen brightness for SDR, which is higher on the M4 Pro (1000 nits) compared to the M4 Air or M1 Pro (500 nits).
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Meanwhile if you need widespread compatibility nearly everything supports exFAT and if you need a real filesystem then the Mac and Windows drivers for open source filesystems are less likely to corrupt your data.
That would both get you easier compatibility between Mac and Linux and solve the NTFS write issue without any more trouble than it's giving people now because then you'd just install the ext4 driver on the Windows machine instead of the NTFS driver on the Mac.