In March updates, WorkOS introduced session management, custom roles creation, impersonation feature for debugging issues, Datadog integration to stream events, and support for new JavaScript runtimes including Deno, Bun, Cloudflare Workers, Vercel, and Node.js. Additionally, Radix Themes 3.0 was released with new components, layout engine, color palette generator, improved Remix and Astro support, and enhanced documentation.