HTTPS for blogspot- Coming in late April from Google

This morning received the above announcement from Google which states that all blog will be using HTTPS links soon. which could be seen late April but I got two doubt after the announcement.


Thats my first doubt, Will HTTPS links works with custom domain?. as I am using custom domain I will waiting for this answer.

2. I have read recently that google is migrating its blog from to so which will happen first HTTPS:// or HTTPS://

Waiting for these two questions