Google’s Chrome browser is closing the feature gap with Firefox by adding some early support for browser extensions.

While savvy users have been able to run Greasemonkey scripts in Chrome for some time, recent developer builds include some new APIs for genuine extensions

The latest developer channel releases of Chrome offer improved APIs and tools for developers who’d like to start building Chrome add-ons

Naturally it will probably be some time before Chrome enjoys an extensive add-on ecosystem like Firefox, but clearly extensions are a priority for Chrome.