AWS Weekly Roundup: AWS Builder Center mobile apps, Amazon Connect Talent GA, Amazon Corretto 27, and more (September 21, 2026)

This article summarizes AWS announcements and updates for the week of September 21, 2026, highlighting new features and service launches.

• AWS Builder Center now available as mobile app on iOS and Android with 600+ courses and workshop access
• Builder Center adds Polls feature for community questions and Zero to Shipped hackathon with $28,000 prize pool
• Amazon Connect Talent GA: AI-powered hiring solution with voice interviews and candidate assessments
• Amazon Corretto 27 released with G1 garbage collector, post-quantum TLS support, and compact object headers
• Kimi K3 by Moonshot AI available on Amazon Bedrock with 2.8 trillion parameters and 1M token context window
• AWS simplified getting started experience with sensible defaults and no credit card required for new customers
• Amazon EC2 T8i instances GA: 30% better price performance than T3 for low-to-moderate CPU workloads
• AWS Elastic Beanstalk Cluster Mode: run multiple applications on shared EKS infrastructure with single operational baseline
• Amazon Bedrock AgentCore runtime improvements deliver consistent 2-second cold starts and memory efficiency
• AWS Well-Architected Streaming Media Lens updated with five streaming scenarios and sustainability best practices

The roundup covers major AWS service launches, developer tools, and infrastructure improvements alongside upcoming events including AWS re:Invent in November.