Apple has a new file system, APFS, which will be replacing HFS+ (finally). This is good news, in general, but I (and others) have a vested interest in some features particular to HFS, including Finder Info and resource forks. Information is limited, but so far the news is good. Per the WWDC APFS presentation:
So HFS compatibility - if all of you have apps that run on HFS+ just fine, we intend for all of those to continue to run without any changes whatsoever on your side. So Apple File System will support and replace HFS+ functionality. And there’s an asterisk there because there’s three things that we will not support moving forward.
One of them is exchangedata. The other is searchfs. And the third is directory hardlinks for Time Machine.
But every other API and behavior will be supported just as it is on HFS+.
searchfs(2) and exchangedata(2) are system calls to “search a volume quickly” and “atomically exchange data between
two files”, respectively.
So I’m optimistic Finder Info and Resource Forks will continue to work.