Metrics

A transparent snapshot of CNCF ecosystem and end user activity, collected from public sources.

Last updated September 28, 2026 at 2:48 AM UTC · collected from public CNCF repositories

Reference architecture lifecycle

Source ↗

Leading indicators from public TAB issues and architecture pull requests. These are proxies for workflow flow, not exact acceptance or validation times.

Open submissions0 Open TAB issues labeled as reference-architecture submissions.

Open architecture PRs5 Architecture PRs identified from public GitHub metadata.

Median submission age0 daysTime since open submission issue creation; not end-to-end review time.

Median public PR cycle1.1 daysCreation to merge for merged architecture PRs; a public GitHub proxy.

Open submissions by monthNo trend data yet

Architecture PRs merged by month

What is not yet measurable

acceptance-rate: Acceptance is not represented as a consistent public GitHub state.

validation-duration: Validation timestamps are not consistently recorded.

announcement-rate: Announcement events are not represented as structured repository data.

CNCF projects255Projects explicitly marked with a CNCF maturity level in landscape.yml.Source: landscape ↗Reference architectures8Published architecture directories under content/en/architectures.Source: architectures ↗

CNCF member companies

Source ↗

2026-09-286492026-09-28

Collected from landscape; values show the published snapshot available at build time.

Reference architecture submissions

Source ↗

2024-09282026-07

Collected from architectures; values show the published snapshot available at build time.

Project categories

Source ↗

Provisioning

65

Orchestration & Management

58

App Definition and Development

55

Runtime

40

Observability and Analysis

26

Platform

3

Wasm

3

Inference

3

Serverless

2

Project maturity

Source ↗

sandbox

150

graduated

39

incubating

38

archived

28

Data coverage

Values unavailable from authoritative sources are omitted rather than estimated. See the source links on each metric for collection details.

member-companies: The landscape data does not expose an unambiguous end-user membership field.slack-members: No authoritative GitHub source provides a reliable current count.conference-attendance: Attendance is not collected from the authoritative repositories.

End users like Reddit share their production experience from the KubeCon + CloudNativeCon keynote stage.

Metrics are refreshed on demand from public CNCF sources via the "Import reference architectures" workflow and validated before each site build. Values unavailable from authoritative sources are omitted rather than estimated.