The 2021 elections to the Scottish and Welsh parliaments could mark a watershed moment as devolved institutions come of age. In the midst of the ongoing Covid-19 crisis, this moment could entrench the primacy of devolved institutions in the minds of (more) voters across Scotland and Wales, and set the constitutional and political trajectory of the next decade. This issue offers reflections on how more than 20 years of devolution has shaped politics and policy in Scotland and Wales, and asks where next for progressives over the next five years and beyond.