Win10 preview version Build 10049 Spartan browser details map tour

Earlier, Microsoft pushed the latest Windows 10 preview to the Windows Insiders project's "Fast ring" user group, version number Build 10049. These include the new Spartan browser and several UI UI changes.
Now, the foreign media has shared the first screenshots of the new preview, from which we can see some details, especially some of the new features of the new browser are particularly eye-catching.
At present, the Spartan browser is still an unfinished product, and the final form is expected to be seen on the eve of the official launch of the Windows 10 system this summer.
For the version included with Windows 10 Build 10049, we can see that Spartan browser integrates Cortana assistant, new collection list and F12 development tools.
Unfortunately, features such as the new download manager, offline reading, and content synchronization are still not open.
It is expected that Microsoft and the media will disclose more details about Windows 10 in the future, and we will keep an eye on it.