From macOS 28, Macs will no longer be able to read a variant of traditional file format. Apple now provides new information ...
Users who rely on encrypted HFS+ drives will no longer need to decrypt them before converting them to APFS for macOS 28 ...
With macOS 27, Intel support is dropped, and soon the ability for Apple Silicon Macs to run Intel apps will also be gone. HFS+ is also partially making its exit.