Sir John Curtice, Ian Montagu, and Alex Scholes take a look at what the latest public opinion data tells us about voter’s attitudes towards the deal between the SNP and the Green party at Holyrood. They also examine whether the balance of support for independence has shifted during the summer, assess the potential for the substantive arguments on both sides of the constitutional debate to sway voters one way or the other, and discuss the continuing impact of Brexit on the pattern of attitudes towards independence.