Netlify has improved build times across all plans, with up to 40% faster builds available on paid plans. The company has optimized its infrastructure and cache handling, adding more processor cores and memory resources for developers on paid plans. This change allows for a higher level of performance, including a High-Performance Build solution with a 99.9% uptime SLA for Enterprise plans. With these improvements, Netlify's Starter plan now includes 4 processor cores and 8GB of memory, offering more flexibility in the future.