Windows 10 build 10049 recently rolled out to Windows Insiders via the Fast ring of updates and this new build includes a number of fixes, tweaks, and the first test version of Project Spartan browser.

Although, Project Spartan doesn’t include all the features Microsoft demonstrated during the January event, users will be able to browse the web, annotate web pages and share them via email or social network, use Reading View to declutter web pages, access to the F12 Developers Tools, and Project Spartan settings. Users also have the ability to disable Adobe Flash Player from the settings pane.

Alongside the new web browser and fixes for the Windows 10 preview, Microsoft is making available an early build of two new Windows apps: Music and Video. Both apps are in preview with limited functionalities and a lot of bugs.

As for fixes, in Windows 10 build 10049, Microsoft is fixing the Photos app, the Start menu transparency, and you’ll no longer get stuck when you manually lock your PC during the initial out-of-box experience.

If you’re not planning to try Windows 10 until it ships later this summer, you can watch the hands-on video I created demonstrating all the new features and changes.