This report describes the parliamentary breakthrough and the rapid electoral growth of the Sweden Democrats since 2010, the mainstreaming of its narrative and policies among some of the other parliamentary parties and the acceptance of the SD as a legitimate party with governmental credibility. Within a decade, the Sweden Democrats have fundamentally transformed the Swedish political landscape when it comes to party competition, government formation as well as political debate and decision-making and the isolationist strategy towards the Sweden Democrats, came to an end in 2022. It remains to be seen in what ways Sweden will change with this conservative turn.