PHP 7.0 delayed, but release candidate available

PHP 7.0.0, a high-performance upgrade to the popular server-side scripting language for Web development, was due for a general release late last week. Instead, builders of the language released a seventh RC (release candidate).
Release candidates are generally considered the final precursor to a general release; the first release candidate for PHP 7.0.0 became available in August. But this seventh release candidate is supposed to, finally, lead to that general release, according to the PHP deve