Apple releases Safari 5.0.1, Extensions Gallery now open

Safari 5's extension support just got a whole lot more useful this morning, as Apple's just released Safari 5.0.1, which enables the feature for end users, and opened its official Extension Gallery. Extensions can be installed from anywhere, but you might think of the Gallery as the App Store for browser add-ons -- and it seems decently stocked at launch, with notable entries from Amazon, eBay, Bing, MLB.com, the New York Times, and Twitter. We'd expect that number to grow over time, as extensions are apparently quite simply built in HTML5, CSS and JavaScript. PR after the break.

 Update: We're also told Safari 5.0.1 fixes that nasty AutoFill vulnerability, so that's good news.