one can now add meta tag description to their site from blogger dashboard to make Google index your site description so that it can appear on search engine when ever some one search for articles related to your niche.cool hun.this will boost your seo search optimization (it was not available before).
you can now tweak the robot text file to suite your needs.robot text file prevent some post from being indexed by Google in other to avoid duplicate content (it was not available before).
you can now add no-dofollow to any link that is on your post.no-dofollow means that any link that is sighted in your post will not be consider a back link to the owner of such link (this was not available before).
you can now add a custom 404 page not found and redirect it to your own customized page.this will enable your visitors to find you even when they click on any one of your broken links (it was not available before).
you can now add alternate and title text to any image you uploaded for more friendly seo optimization. these are some of the newly added features to blogspot which you can utilize to suite your needs.you can check them out from your dashboard=>settings=>search preference