A developer reached out after enabling Turbopack in Next.js 15: "The results have been spectacular" Initial compile: 85% faster Opening their heaviest page: 97% faster Fast Refresh on that page: 98% faster "We use fairly old Windows machines, and honestly, this change for local development has been transformative." Exciting to see these results while persistent caching (i.e. Disk Caching) is coming that will make it even faster!