What does the Framework migration signal mean?

The Framework migration signal indicates a specific pattern of engineering acceleration. Full classification logic and the four-signal taxonomy are documented at /methodology and /signals.

Where can I find PostHog's historical signal data across periods?

The startup hub at /startup/posthog consolidates every period of historical signal data for PostHog, including commit-velocity change, contributor growth, and signal classification. The free /api/signals.json endpoint exposes the same data for programmatic access.

Q2 2026 · Historical Snapshot

PostHog — Q2 2026 Engineering Signal

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Signal — Q2 2026

In Q2 2026, PostHog showed +12% commit velocity change with 100 active contributors (+11% growth). Signal type: Framework migration. 2 new repositories created in the 30 days preceding this period. Ranked #2 of 12 in Data Infrastructure for Q2 2026.

Metrics — Q2 2026

Commit Velocity (14d)

2784

Velocity Change

+12%

Contributors

100

+11% growth

New Repos (30d)

Context

Sector: Data Infrastructure (full Q2 2026 ranking)

Stage at time of snapshot: Growth

Geography: US

Signal classification: Framework migration — learn what this signal means

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