Ubuntu MATE project leader, Martin Wimpress tweeted a preview screenshot of upcoming Welcome Screen in Ubuntu MATE 15.10.
According to news article published in softpedia:
The screenshot of the Ubuntu MATE Welcome screen has been posted earlier on the official Twitter account of the Ubuntu MATE project with the following line of text: "It is not finished yet, but the new Ubuntu MATE Welcome screen is taking shape."The new welcome screen is identical with the one used in many other GNU/Linux operating systems, including Korora and Manjaro. It will offer users a good starting point in learning everything there is to know about Ubuntu MATE.