Maintainers

Subsystem ownership map. Pulumi does not check in a CODEOWNERS file at the repo root, so this table is derived from git log against master over the last 6–12 months. Contributor names exclude [bot] accounts.

Subsystem	Recent contributors (git history)	Last activity
pkg/cmd/pulumi/ (CLI)	Ian Wahbe, Justin Van Patten, Thomas Gummerer, Fraser Ashyggton	Active (multiple commits / week)
pkg/engine/	Ian Wahbe, Thomas Gummerer, Julien, Fraser Ashyggton	Active
pkg/resource/deploy/	Ian Wahbe, Thomas Gummerer, Fraser Ashyggton, Julien	Active
pkg/backend/diy/	Thomas Gummerer, Justin Van Patten, Fraser Waters	Active
pkg/backend/httpstate/	Thomas Gummerer, Justin Van Patten, Tom Harding	Active
pkg/codegen/	Fraser Waters, Justin Van Patten, Tom Harding, Ian Wahbe	Active
pkg/codegen/{nodejs,python,go}/	per-language: Justin Van Patten (Node), Thomas Gummerer + Julien (Python), Fraser Waters (Go)	Active
pkg/codegen/pcl/, pkg/codegen/hcl2/	Fraser Waters, Ian Wahbe	Active
pkg/secrets/	Justin Van Patten, Thomas Gummerer	Steady
proto/	Fraser Waters, Ian Wahbe, Justin Van Patten	Steady
sdk/go/pulumi/	Justin Van Patten, Ian Wahbe, Fraser Waters	Active
sdk/go/auto/ (Automation API Go)	Ian Wahbe, Justin Van Patten	Active
sdk/nodejs/	Justin Van Patten, Ian Wahbe, Thomas Gummerer	Active
sdk/nodejs/automation/	Ian Wahbe, Justin Van Patten	Active
sdk/python/	Justin Van Patten, Thomas Gummerer, Julien	Active
sdk/python/lib/pulumi/automation/	Ian Wahbe, Thomas Gummerer	Active
sdk/pcl/	Fraser Waters, Ian Wahbe	Steady
sdk/<lang>/cmd/pulumi-language-<lang>/ (language hosts)	language-specific (see SDK columns above)	Active
tests/integration/	mixed; whoever ships the feature ships the test	Active
tests/performance/	Thomas Gummerer	Steady
pkg/engine/lifecycletest/	Ian Wahbe, Thomas Gummerer, Fraser Ashyggton	Active
pkg/cmd/pulumi/state/, pkg/resource/edit/	Thomas Gummerer, Justin Van Patten	Active
pkg/cmd/pulumi/policy/	Justin Van Patten	Steady
pkg/cmd/pulumi/env/	Tom Harding, Thomas Gummerer	Active
pkg/cmd/pulumi/auth/	Justin Van Patten, Thomas Gummerer	Steady
pkg/cmd/pulumi/deployment/	Thomas Gummerer, Tom Harding	Active
pkg/cmd/pulumi/convert/	Fraser Waters	Steady
pkg/cmd/pulumi/plugin/, packagecmd/, packageinstallation/, packageresolution/	Fraser Waters, Ian Wahbe	Active
.github/workflows/, Makefile, scripts/	Justin Van Patten, Thomas Gummerer, Pulumi Bot	Active
docs/	Tom Harding, Ian Wahbe	Steady
changelog/	distributed (each PR adds its own entry)	Continuous

Top contributors over the last 6 months

(From git log --since="6 months ago", excluding bots.)

Contributor	Commits
Ian Wahbe	190
Thomas Gummerer	181
Julien	169
Fraser Ashyggton	133
Tom Harding	46
Justin Van Patten	31
Fraser Waters	28
Tom 🐈‍⬛	27

Asking for help

• GitHub Discussions — pulumi/pulumi/discussions. The #contribute channel on the Pulumi Community Slack is the synchronous fallback.
• Issues — github.com/pulumi/pulumi/issues.
• PR review — assign whoever last touched the area (this table) plus a maintainer.

See also

• How to contribute — process.
• By the numbers — current snapshot statistics.
• Lore — historical contributor patterns.