This post has been updated.

We believe Kara Swisher of the All Things Digital blog was first to pick up on Google’s official announcement: Chrome is real. Earlier today Swisher also had the first confirmation from sources that the launch of the browser was imminent. It’s not an elaborate hoax. It’s a bona fide product and it will be available for download Tuesday. We’ll have a hands-on review as soon as we get some time to explore the product.

So why the mystery? Human error, it appears. According to the official Google blog, “At Google, we have a saying: ‘launch early and iterate.’ While this approach is usually limited to our engineers, it apparently applies to our mailroom as well! As you may have read in the blogosphere, we hit ’send’ a bit early on a comic book introducing our new open-source browser…”

Our previous coverage: Google ’starting from scratch’ with own browser, Chrome.

Here’s the full announcement, from the Google blog:

A fresh take on the browser

9/01/2008 02:10:00 PM

At Google, we have a saying: “launch early and iterate.” While this approach is usually limited to our engineers, it apparently applies to our mailroom as well! As you may have read in the blogosphere, we hit “send” a bit early on a comic book introducing our new open source browser, Google Chrome. We will be launching the beta version of Google Chrome tomorrow in more than 100 countries.

So why are we launching Google Chrome? Because we believe we can add value for users and, at the same time, help drive innovation on the web.

All of us at Google spend much of our time working inside a browser. We search, chat, email and collaborate in a browser. And in our spare time, we shop, bank, read news and keep in touch with friends — all using a browser. Because we spend so much time online, we began seriously thinking about what kind of browser could exist if we started from scratch and built on the best elements out there. We realized that the web had evolved from mainly simple text pages to rich, interactive applications and that we needed to completely rethink the browser. What we really needed was not just a browser, but also a modern platform for web pages and applications, and that’s what we set out to build.

On the surface, we designed a browser window that is streamlined and simple. To most people, it isn’t the browser that matters. It’s only a tool to run the important stuff — the pages, sites and applications that make up the web. Like the classic Google homepage, Google Chrome is clean and fast. It gets out of your way and gets you where you want to go.

Under the hood, we were able to build the foundation of a browser that runs today’s complex web applications much better. By keeping each tab in an isolated “sandbox”, we were able to prevent one tab from crashing another and provide improved protection from rogue sites. We improved speed and responsiveness across the board. We also built a more powerful JavaScript engine, V8, to power the next generation of web applications that aren’t even possible in today’s browsers.

This is just the beginning — Google Chrome is far from done. We’re releasing this beta for Windows to start the broader discussion and hear from you as quickly as possible. We’re hard at work building versions for Mac and Linux too, and will continue to make it even faster and more robust.

We owe a great debt to many open source projects, and we’re committed to continuing on their path. We’ve used components from Apple’s WebKit and Mozilla’s Firefox, among others — and in that spirit, we are making all of our code open source as well. We hope to collaborate with the entire community to help drive the web forward.

The web gets better with more options and innovation. Google Chrome is another option, and we hope it contributes to making the web even better.

So check in again tomorrow to try Google Chrome for yourself. We’ll post an update here as soon as it’s ready.

Posted by Sundar Pichai, vice president of product management, and Linus Upson, engineering director

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Update at 2:36 p.m. PDT: It’s official: Google Chrome will be available Tuesday.

Word surfaced Monday of a Web “comic book” introducing Google Chrome, the search giant’s long-rumored open-source browser project. While the illustrations, created by cartoonist Scott McCloud, were not announced by Google, they do contain the quotes and likenesses of 19 Google developers.

A Web comic, reposted on Google Blogoscoped, introduces Google Chrome.

(Credit: Google Blogoscoped)

The detailed, 38-page comic appeared on Google Blogoscoped, an unofficial Google blog. (The link to the comic has been down intermittently.) The book is broken down into five main sections covering stability; speed; search and the user experience, security, and standards. Here are the key features, according to the book:

Browser tabs will be detachable.

(Credit: Google Blogoscoped)

Stability
Each tab will run in its own process. These processes will be completely isolated from each other, will be killable from the operating system’s process manager, and will be sandboxed to prevent them from accessing information on the user’s computer. This architecture should lead to a more stable and more consistent browsing experience–performance of the browser should not degrade over time.

Google is using its search index to prioritize testing of the browser–the pages that are linked to the most from Google Search are getting the most automated hits to make sure Chrome is behaving correctly on them.

Speed
The browser is being written with WebKit, the open-source engine at the core of Apple’s Safari and Google’s Android. The browser is also getting a new Javascript virtual machine, V8. It’s said to be a better solution for complex and rich Web applications–it should yield better performance as well as “smoother drag and drops” in interactive applications.

Search and user experience
In Chrome, browser tabs will take over the interface, becoming the primary navigational element. Each tab will get its own window controls. Users will be able to tear off tabs into standalone windows. (Related: developers will be able to control which window controls appear in a tab, creating, if they wish, Web applications that are embedded in a browser but that appear to be more like traditional desktop apps.)

Chrome’s URL entry field will be called the “Omnibox,” and, like Mozilla’s “Awesome bar,” will feed you suggestions based on your browsing history and live search results. It will be respectful of users, the comic says: “Inline completions will never flicker, never flash. It’s perfect, aesthetically non-distracting.”

Chrome will integrate URL entry and search queries into the Omnibox.

(Credit: Google Blogoscoped)

The browser’s default start page will show thumbnails of the user’s most frequently visited pages and a list of their top searches. There will also be a private browsing mode, as IE 8 has.

Security
Chrome’s architecture lends itself to secure browsing. Each Web page, or tab, runs in its own process, and is blocked from accessing other processes on the computer. “We’ve taking the existing process boundary,” the comic says, “and made it into a jail.” Different and more flexible permissions are being developed for plug-ins, however.

A database and API to access phishing and scam sites will be used in Chrome (and made public), which will hopefully reduce “zero-day” scam exploits. The browser will be constantly updated with this information.

Standards
The browser will be released as an open-source project. Also, Google will build the open-source local runtime Gears into the browser, and is hoping that it is taking up widely to “improve the base functionality of all browsers.”

Yes, this is big
CNET News.com Editor in Chief Dan Farber’s analysis of Google Chrome Monday was this: “It would be in line with other Google open-source projects, such as OpenSocial and Google Gears. Creating a competitor to Firefox, as well as Internet Explorer and Opera, could spur more innovation.”

“Open sourcing the code is a smart way to avoid the ‘Google wants to take over the world’ fear, but it seems that Google has ambitions to create a comprehensive Internet operating system, including a browser, applications, middleware and cloud infrastructure.”

The browser’s start page will show thumbnails or previews of the user’s most visited sites.

(Credit: Google Blogoscoped)

No official confirmation from Google yet, although Kara Swisher of All Things D cites sources who say that Google will make a Chrome download available to users by as early as tomorrow.

See also:

Kara Swisher: Google Ignites a New Browser War With Microsoft By Unveiling One of its Own This Week

Coverage on Techmeme

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