I know there's been many new infomation as well so please discuss. Here is the blog post:

We know that there will be a Season 11. We know that there are new characters Whiff, Silly Billy, Hector and Madge. We know some episode plots. We know Percy, Spencer and Rosie will appear. We know that Pierce Brosnan will narriate a few Seasons and specials for the UK and US version. We know there will be a special called The Great Discovery. We know there will be a new engine in it called Stanley. So what will happen?