The 64-bit version of Google Chrome was released yesterday. This is a step forward to have a 64-bit compatible development environment.
Before, it was not easy: the Java runtime, Eclipse and Chrome are all linked together. If one did not support 64-bit, it did not work. And installing 64-bit Java next to 32-bit just isn’t a proper solution.
But now there is a 64-bit version for almost all software I need for PHP development:
The 64-bit environment really makes a difference when using Eclipse. It is much faster. This is the same for Chrome: a huge improvement.