elastic/ecs v9.4.0-rc1

ECS 9.4.0 RC1

on GitHub

Tooling and Artifact Changes

Added

• Add alpha field maturity attribute, mirroring beta with mutual exclusion. #2599
• Document field stability definitions (alpha, beta, GA) in design principles. #2599

Improvements

• Increase composable template total_fields.limit from 2000 to 2500. #2584
• Remove the experimental/ build pipeline and unused cgroup.* fields; alpha and beta fields now live in schemas/. #2599