This release adds 3 notable features for engineering teams evaluating rollout.
Published 26d
Developer Productivity
✓ No known CVEs patched
✓ No known CVEs patched in this version
Topics
ci-cd
docker
feature-flag
feature-flaggers
feature-flagging
feature-flags
+9 more
feature-management
feature-toggles
flagsmith
multivariate-testing
python
react
remote-config
remote-control
self-hosted
Summary
AI summaryUpdates 2.251.0, Bug Fixes, and Performance Improvements across a mixed release.
Full changelog
2.251.0 (2026-07-01)
Features
- MCP: Set up Sentry error reporting (#7879) (5c55544)
- Segment Membership: Seed identities on Beta opt-in (#7899) (8c86b8c)
- usage: push hourly usage snapshots to Control Plane (#7831) (f5b6273)
- Use new segment members api (#7864) (37a682f)
Bug Fixes
- gate experiment freeze behind feature flag and unblock inputs during loading (#7919) (5e0043d)
- segments: warn before discarding an unsaved feature-specific seg… (#7840) (d46e013)
Performance Improvements
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About Flagsmith
Dashboard, API and SDKs for adding Feature Flags to your applications (alternative to LaunchDarkly).
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Earlier breaking changes
- v2.239.0 Make evaluation result variant required and nullable in SDK.
Beta — feedback welcome: [email protected]