Buildkite has become an official AWS Graviton Ready Partner, offering full support for Graviton2 (C6g) instances in its Elastic CI Stack for AWS, with future support for Graviton3 (C7g) instances. AWS Graviton instances, based on Arm architecture, provide enhanced performance and energy efficiency compared to traditional instances. Buildkite has collaborated with AWS to ensure optimal Graviton support, allowing teams to establish highly scalable CI infrastructure using AWS's fastest compute capabilities. Users can begin utilizing Graviton2 with Buildkite by following the Elastic CI Stack for AWS tutorial and selecting c6g instance types, and further insights can be gained from the UnblockConf 21 webinar hosted by AWS and Buildkite representatives.