Actually for the last two days there were two new releases of Selenium - 1.0.2 and 1.0.3 (released on the next day following 1.0.2 to fix some issues). The most important feature in the new release for me is Firefox 3.6 support. If you are a Mac fan you will be glad to know that OS X Snow Leopard is now supported too.
When it comes to tools I use for work I usually prefer to wait a little before upgrading, so that any potential problems that might be there are discovered by other people and not by me (the quick release of 1.0.3 seems to confirm that this is actually a good idea). On the other hand my previous experience with upgrading test automation tools shows that I sometimes run into problems no one else has found.
So this time I decided to upgrade to 1.0.3 early and I will blog about my experience.
By the way, there is also a new official Selenium blog.