Sentry license history

Developer Tools·Last verified 2026-11-06·Confidence: High

Changed from BSD-3-Clause to BUSL-1.1 starting with 10.0.0 on 2019-11-06.

Changed from BUSL-1.1 to FSL-Apache-2.0 starting with 23.11.1 on 2023-11-17.

Versions before 10.0.0 remain under BSD-3-Clause.

Self-hosting
Allowed
Offering as a managed service (SaaS)
Restricted
Commercial impact: Restricted

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What changed

Sentry moved from BSD-3-Clause to BUSL-1.1 starting with 10.0.0, announced on 2019-11-06. Starting with 23.11.1, it moved to the Functional Source License (FSL), announced on 2023-11-17; each FSL release becomes Apache-2.0 two years after publication. Releases before 10.0.0 remain under BSD-3-Clause.

License timeline

2023-11-17

From 23.11.1

Restricted
Self-hosting: Allowed
Offering as a managed service (SaaS): Restricted

Sentry replaced BUSL-1.1 with the Functional Source License (FSL), which prohibits competing commercial use and converts each release to Apache-2.0 two years after publication. 23.11.0 is the last BUSL-1.1 release.

Verified 2026-11-06·Confidence: High
2019-11-06

From 10.0.0

Restricted
Self-hosting: Allowed
Offering as a managed service (SaaS): Restricted

Sentry moved from BSD-3-Clause to BUSL-1.1, which prohibits offering Sentry as a competing commercial service. Each BUSL release converted to Apache-2.0 three years after publication.

Verified 2026-11-06·Confidence: High

Originally released under BSD-3-Clause

For reference only. Not legal advice. How a license applies depends on your use; the license text and your counsel decide. Methodology and disclaimer →

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