Add the softened cream cheese to a large mixing bowl and use an electric hand mixer to mix until creamy, about 3 minutes. Scrape the bowl down and add the melted white chocolate. Mix until well combined.
To a separate large bowl add the cream, mascarpone, and vanilla extract. Whip to stiff peaks.
Zest the lime into the cheesecake mixture and add the lime juice. Mix until well combined. Scrape down the bowl and add the whipped cream. Use a spatula to fold through until well combined.
Add half the cheesecake mixture to the chilled crust.Spread around evenly. Add half the stewed blueberries and spread. Add the remaining cheesecake mixture and use a spatula to spread around flat. Chill in the fridge for 4 hours to set, overnight is best. Once set, take out of the springform pan and place on a serving plate. Add the remaining stewed blueberries and slice to serve.