CockroachDB is a Scalable, Geo-Replicated, Transactional Datastore. Like the cockroach it is designed to be distributed and survive a proverbial nuclear war on the web. It could be a very viable technology for deploying global online services with minimal latency and overhead.
Facebook today announced experimental support for OS X. In addition to the H2O HTTP/2 server is now available via packet management for OS X.
Java Virtual Machine as a platform seems to have gone through a renaissance, not exactly the same as PHP, but similar. Somehow languages ranging from Scala to Clojure to Ruby are raising the JVM fever. And this all makes sense.
Over the years there has been tremendous investment to JVM as a platform. The original JVM language, Java, might seem stale to some - but the shared runtime allows inheriting this heritage with new syntax and paradigms.
People love to pit two competing products together. Be it sports cars, cameras or software. Everyone likes to cheer for their personal preference. This is now happening with PHP 7, HHVM and others inspiring people to create pointless benchmarks.
Hack is a programming language for the HipHop Virtual Machine (HHVM), created by Facebook as a dialect of PHP. The language implementation is open source, licensed under the BSD License.
While it is close to PHP it is not that exactly and can move away from the realm altogether as it progresses. In modern web development you'll need an IDE to keep your project organized and help you perform routine tasks easily.