JRuby 9.0.0.0.pre1 Release Notes

IN PROGRESS

These are the release notes for JRuby 9.0.0.0.pre1, the first preview release of JRuby 9000.

Features known to be missing or incomplete:

• Enumerator#feed, #next_values, #prev_values missing
• Kernel#fork
• Kernel#spawn cloexec and chdir support
• ObjectSpace::WeakMap#each and Enumerable inclusion
• ObjectSpace::count_objects
• Process::daemon, exec, getsid, and setproctitle
• RubyVM namespace (specific to MRI)
• Thread#handle_interrupt is not yet fully functional
• POSIX-friendly IO, TTY, and Process logic is not used on Windows