Is there any plan to put more feature on godaddy website builder?
I've had a test account for some time and in my experience new features are being added on a pretty consistent basis. GoDaddy posts about new enhancements on their blog... You can keep track by bookmarking this page.
i just want to know any update for march 2018.
Then, watch the link I provided.... There may not be updates for March specifically. If and when updates occur that's where they are posted announced. 😉