The prime minister has made significant concessions on the welfare bill after the threat of a mass rebellion from his own MPs.
The changes have left Chancellor Rachel Reeves with another black hole in the public finances and some MPs are still planning on voting against the bill when it comes in front of the House of Commons tomorrow.
Also, as Sir Keir Starmer celebrates his first full year in power, has this latest U-turn left him in a vulnerable position with his party and the wider public?