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 hapifhir's historical signal data across periods?

The startup hub at /startup/hapifhir consolidates every period of historical signal data for hapifhir, 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

hapifhir — Q2 2026 Engineering Signal

This is the source home for the HAPI FHIR project. Note that we are in the progress of migrating our codebase from the m

Signal — Q2 2026

In Q2 2026, hapifhir showed -68% commit velocity change with 100 active contributors (+0% growth). Signal type: Framework migration. Ranked #21 of 24 in Healthcare for Q2 2026.

Metrics — Q2 2026

Commit Velocity (14d)

Velocity Change

-68%

Contributors

100

+0% growth

New Repos (30d)

Context

Sector: Healthcare (full Q2 2026 ranking)

Stage at time of snapshot: Growth

Geography: Unknown

Signal classification: Framework migration — learn what this signal means

See hapifhir's current signal

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