Today, 1st of June 2012, Microsoft has announced the arrival of Windows 8 Release Preview.
Below are quoted from windowsteamblog.com:
"For Developers:
Windows 8 presents a huge
opportunity for developers to build great new apps for a variety of form
factors. If you’re a developer looking to get started developing apps
with the Windows 8 Release Preview, I suggest reading this blog post from the Windows 8 app developer blog and this blog post from the Windows Store for developers blog.
These two posts will have a lot of information, like where to go to
grab the latest tools to begin app development. Developers can also
visit the Windows Dev Center
for more information on the Windows developer platform and what it
means for the Windows 8 Release Preview. In the Windows Store today with
the Windows 8 Release Preview, you will notice a lot of incredible new
apps – this is just the beginning!