• Add tab completion support. Yeah, this is huge. (Thanks @Markcial!)
• Add a throw-up command for throwing errors out of the current PsySH debug session.
• Show output for long-running code as it happens, rather than waiting until execution has finished.
• Add ext-pdo-sqlite extension to Composer suggestions, so that fewer people are supprised when they try to use docs.
• Add support for proper Windows home directories. If you use PsySH on Windows, you can now put your config and such in C:\Users\<user>\AppData\Roaming\PsySH.
• Work around PHP bug #69054 and other issues with open_basedir (Thanks @dequis!)
• Work around Symfony Table(Helper) backwards compatibility break.
• Fix one HHVM fatal error. We're getting closer. If you're into HHVM, we'd love your help fixing the rest!
• Deprecate a bunch of older config options with helpful messages for updating them.
• Some code style fixes, as usually.