The agreement, with the Westminster Government, is being seen as an important step on the path to further devolution. Our political editor Adrian Masters has been looking at what difference the change could mean.
More top news
There'll be bracing winds and heavy showers this afternoon and expect a wet and windy start on Monday morning.
Carl Edwards and guests look back at the week's events in the latest edition of Newsweek Wales.
A Yellow Warning has been issued by the Met Office as gale force winds and showery rain affect areas across Wales.