Now we use fat on the ESP. Ext2 for boot was pretty common in the past, journaling wasn’t really needed and it was going to work with whichever bootloader you used. At the time your other partitions might use who knows what and bootloader support for that filesystem wasn’t guaranteed.
Depends how you read that. FAT32 is basically required for /boot/EFI but you still see /boot as separate old, stable filesystem on some setups. Usually it is just a bit easier/less hassle to do the whole thing up as FAT32 but you don’t have to.
Now we use fat on the ESP. Ext2 for boot was pretty common in the past, journaling wasn’t really needed and it was going to work with whichever bootloader you used. At the time your other partitions might use who knows what and bootloader support for that filesystem wasn’t guaranteed.
Depends how you read that. FAT32 is basically required for
/boot/EFIbut you still see/bootas separate old, stable filesystem on some setups. Usually it is just a bit easier/less hassle to do the whole thing up as FAT32 but you don’t have to.