Flagsmith

v2.254.0 Feature

This release adds 3 notable features for engineering teams evaluating rollout.

Published 10d Developer Productivity

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✓ No known CVEs patched

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✓ 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

Affected surfaces

auth breaking_upgrade

Summary

AI summary

Updates 2.254.0, Bug Fixes, and Performance Improvements across a mixed release.

Changes in this release

Type	Severity	Summary	CVE
Feature
Feature	Medium	Adds is_new_user flag to OAuth login responses. Adds is_new_user flag to OAuth login responses. Source: llm_adapter@2026-07-16 Confidence: high	—
Feature	Medium	Defaults rollout segment assignment to control variant on creation. Defaults rollout segment assignment to control variant on creation. Source: llm_adapter@2026-07-16 Confidence: high	—
Feature	Low	Introduces "next quest" cards in onboarding UI. Introduces "next quest" cards in onboarding UI. Source: llm_adapter@2026-07-16 Confidence: high	—
Performance	Low	Counts all segment memberships in a single scan per environment for faster evaluation. Counts all segment memberships in a single scan per environment for faster evaluation. Source: llm_adapter@2026-07-16 Confidence: high	—
Bugfix
Bugfix	Medium	Fixes staging E2E failures caused by shared‑project pollution and onboarding flag race conditions. Fixes staging E2E failures caused by shared‑project pollution and onboarding flag race conditions. Source: llm_adapter@2026-07-16 Confidence: high	—
Bugfix	Medium	Enforces seat limit checks against licence‑derived metadata in organisations. Enforces seat limit checks against licence‑derived metadata in organisations. Source: llm_adapter@2026-07-16 Confidence: high	—
Bugfix	Medium	Allows arbitrary usernames via SCIM endpoint. Allows arbitrary usernames via SCIM endpoint. Source: llm_adapter@2026-07-16 Confidence: high	—
Bugfix	Medium	Resolves duplicate system tag causing GitHub tagging MultipleObjectsReturned errors. Resolves duplicate system tag causing GitHub tagging MultipleObjectsReturned errors. Source: llm_adapter@2026-07-16 Confidence: high	—

Full changelog

2.254.0 (2026-07-16)

Features

auth: surface is_new_user in OAuth login responses (#8011) (2c000a2)
experimentation: default to control when rollout segment is created (#7905) (d53e0d7)
onboarding: "next quest" cards (#7941) (403b292)

Bug Fixes

e2e: staging E2E failures from shared-project pollution and onboarding flag race (#8027) (df9a777)
organisations: Enforce seat limit against licence-derived metadata (#8014) (3b840fd)
scim: Arbitrary usernames accepted via SCIM (#8019) (0e3c8c7)
tags: Duplicate system tags wedge GitHub tagging with MultipleObjectsReturned (#8013) (8aa41ab)

Performance Improvements

Segment Membership: Count all segments in one scan per environment (#8018) (b51e6b7)

View diff on GitHub

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About Flagsmith

Dashboard, API and SDKs for adding Feature Flags to your applications (alternative to LaunchDarkly).