The update addresses a security issue discovered in Windows versions.

“The vulnerability is caused due to an error when continuously modifying document content on a web page e.g. using document.write(). This may result in a function call using uninitialised memory when a user visits a specially crafted web page” detailed Secunia Advisory SA39590.

The update also fixes a potential freeze bug when using Google Maps for both Windows and Mac versions.

Opera 10.53 will be pushed out to Windows and Mac users over the next day, while new users can downloaded the browser from the Opera website.

This is a 25% improvement over Opera 10 download figures from September.

“With such remarkable download numbers, I am confident that we truly appealed to the needs of the Web-using public. Opera 10.10 is visually more compelling, and technologically speaking, it goes where no browser has gone before,” said Jon von Tetzchner, CEO, Opera Software in a press release. “We believe that, over time, Opera Unite has the power to erase preconceptions of how we access and share information on the Web.”

Opera 10.10 can be download for free for Windows, Mac and Linux and includes Opera Unite.

What’s new in Opera 10.2? Opera Widgets! Included with 10.2 are two exclusive widgets for Twitter and Google Translate, along with access to plenty of other widgets.

Opera 10.20 alpha can be downloaded from the Opera Desktop Team blog.

Opera Unite allows users to stream music or share files, photos and more, right from the browser. This is achieved by using Opera Unite applications, 7 of which are bundled with Opera 10.10.

These include:

Opera Unite Home – Your personal Opera Unite Web page shows the Opera Unite applications you wish to share with family, friends, or the world.

File Sharing – The File Sharing application enables a simple and safe way to share files directly from your computer.

Fridge – The Fridge application enables people to leave notes on your computer.

Media Player – The Media Player application enables access to your complete home music library from wherever you are.

Messenger – A personal and private chat connection between you and another Opera Unite user who is listed as your friend on myopera.com.

Photo Sharing – The Photo Sharing application enables you to share your personal photos with friends around the world without the need to upload them.

Web Server – The Web Server application enables you to host your Web sites from your own computer.

A full list of changes can be read in the changelog, while Opera 10.10 can be downloaded from the Opera website.

The mobile browser emulates the desktop feel, with a similar interface to Opera 10 and Opera Mini 5.

A full run down on features and a download link can be found on the Opera Mobile site.

A demo of Opera Mobile 10 in action is below:

Opera 10.01 includes 3 security fixes, 1 of which is rated as extremely severe, while the other 2 are rated as less severe.

The release also fixes 15 other stability issues. A full list of changes can be found in the changelog.

You can download Opera 10.01 from the Opera website.

“Those three million consumers viewed almost 668 million compressed Web pages” said the press release.

“The numbers tell us that Opera Turbo solves critical bandwidth issues. People everywhere experience either slow, congested networks or must pay as they go for Web access. It is an issue that affects everyone, from the business traveler to the Internet café user. Opera Turbo has become universally useful,” said Jon von Tetzchner, CEO, Opera Software.

Opera Turbo uses Opera’s powerful servers to compress Web pages, boosting browsing speeds on crowded Wi-Fi hotspots, tethered mobile phones and even dial-up internet links.

Opera Turbo can be found in Opera 10, and is a free download.

An impressive feat for the company, but it seems small in size. Apple’s Safari 4 was downloaded 11 million times in 3 days, while Firefox 3.5 was downloaded over 5 million times in 24 hours.

More information can be read in the Opera press release.

“Opera 10 showcases a sleek new design coupled with our new Turbo technology, which keeps Web pages loading lightning fast, even if your connection slows down” says the spiel on Opera’s homepage.

Other new features include an in-line spell check, full Acid3 compliance and mouse gestures.

A full run down on features and download links for Windows, OS X, and Linux can be found on the Opera 10 site.

A full list of changes plus download links can be found on the Opera Desktop Team’s blog.

A final release is due out tomorrow, September 1st US time.