This week we added a new feature that makes the connection of two stations easier when they are built in each other's vicinity. So from now on, you don’t need to use the merge blocks to connect them. Newly placed station creates an area of 1000 cubic meters around it.
When you try to place another station within the area, it will be aligned by default with the first station, therefore you can connect them by blocks.
And last but not least, we have fixed more bugs.

https://www.youtube.com/watch?v=LFNYlMiwh1I

Full list of new features and fixes: http://forums.keenswh.com/threads/7374965