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Roadmap

Recently shipped

19 new MCP tools

Nineteen tools landed in PostHog's MCP server this week:

AI observability

  • Cancel evaluation backfill
  • Start evaluation backfill
  • Estimate evaluation backfill
  • Get evaluation backfill
  • List evaluation backfills

Today

  • Get my Today briefing
  • List my Today candidates

Workflows

  • List a workflow's published versions
  • Get workflow stats for one version

Visual review

  • Quarantine a visual review snapshot
  • Lift a visual review quarantine
  • Re-check a visual review run's gate
  • Lift a visual review quarantine when the pull request merges
  • Cancel a visual review lift on merge
  • List visual review lifts on merge

Signals

  • Replace a metric follow-up check
  • Run a private scout variant
  • Read a private scout result

Replay vision

  • Compare an experiment scanner's variants

Goals

Q4 2026 objectives

We're keeping the Q3 goal: shipping 10,000 PRs a month should be easy. In Q3, CI got faster and cheaper, the merge queue stopped master from breaking every day, and StampHog v2 shipped. Now the slow part is getting PRs reviewed and merged, and keeping a fast-growing codebase manageable.

CI optimization (Georges-Antoine Assi, everyone contributes)

The big repo-wide wins are done. Next is the slow end (p90): teams and authors whose CI got worse, moving all required checks to Depot CI, and running only the CI a PR needs.

Merge queue stability (Georges-Antoine Assi)

Fewer CI reruns caused by flaky tests, and separate queue lanes for teams whose work doesn't touch anyone else's.

Product foundation system (Julian Bez)

A product built in the standard shape gets scoped CI, its own queue lane, and StampHog approval with less human review. The standard shape covers product isolation, MCP, code generation, ingress/egress, and guardrails.

StampHog + ReviewHog (Julian Bez)

ReviewHog becomes the PR reviewer for the repo and replaces the paid review bots. StampHog stays separate and gets stricter about what it approves. We also want to try cheaper reviews that run locally on developers' own subscriptions.

Test growth (Raúl Negrón-Otero)

Tests grow faster than anything else in the repo. We'll measure which tests are actually useful, starting with the teams that own the most, and stop adding tests that don't add coverage.

DevEx simplicity (Raúl Negrón-Otero, Julian Bez)

Fewer tools and fewer bots commenting on PRs. CI workflows split into smaller pieces that other engineers can read and change safely.

AgentEx (Georges-Antoine Assi)

Agents should deal with reviews, queue ejections, and flaky tests without someone telling them to. That needs the right skills and tools, and agents that can see what's going on.

Code quality and PR experience (Julian Bez)

How agents keep code quality up, locally and on PRs. Also a small helper that tells people why their PR is stuck, without taking over from their own agent.

To hear from teams, we'll post team-specific numbers (merge times, flakes) in each team's channel, with a poll or a 15-minute slot to talk.

Not this quarter: building our own flaky test quarantining (Trunk keeps doing it, and we'll look again in Q1), and new local dev environment work.