The v0.30 release of k6 added a way to share test data across virtual users, customization options for the output summary, and the ability to pass binary bodies with HTTP requests.

Blog post on this release: https://bit.ly/3rafiTU
Full release notes on GitHub: https://github.com/loadimpact/k6/releases/tag/v0.30.0

0:00 Intro
0:19 SharedArray for sharing test data among virtual users
2:05 handleSummary() for custom output summaries
2:56 ArrayBuffer for binary HTTP bodies