Flagsmith Updates & Release Notes

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)

2.253.0 (2026-07-15)

Features

• add unique analytics IDs to experiment, metric, and warehouse buttons (#7997) (d479a3d)
• API: Adopt the flagsmith entrypoint (#7901) (da194ca)
• API: Bundle the Core API OpenAPI schema (#7959) (a7b0d21)
• experiments: wizard UX improvements (#7978) (4510b72)
• use lifecycles API (#7793) (26ddf19)

Bug Fixes

• add navigation to identity page from segment members list (#7927) (f005081)
• API: Nested viewsets expose data across projects and organisations (#7945) (26a1e29)
• dark mode: move colour and shadow utilities from Bootstrap to tokens (#7982) (9ecdf6d)
• dark mode: resolve .text-secondary to the token, not Bootstrap (#7981) (3eeaf38)
• experimentation: poll warehouse status for created connections (#8001) (038238b)
• Experiments: Dark mode visibility in results page (#7980) (c92b305)
• features: preserve multivariate bucketing salt across feature state recreation (#7914) (62a8143)
• LaunchDarkly: Import processing not idempotent for completed requests (#7954) (5cfb9f4)
• make Headway bell icon clickable (#7925) (fd438ba)
• nav: stop project navbar items clipping off-screen (#7968) (2b4473b)
• return 400 when environment is null in featurestate update (#7957) (686bb9c)
• Segment Membership: Enabled for different organisations in backend and frontend (#7966) (aa4ad62)
• webhooks: accept 2xx status codes in webhook test endpoint (#7992) (7a6210c)

Dependency Updates

• api: update dependency django to v5.2.16 [security] (#7990) (1c73453)
• api: update dependency flagsmith-common to >=3.12.0,<4 (#8008) (0cb114b)
• api: update dependency flagsmith-private to >=0.11.0,<1 (#8006) (1042aad)
• MCP: Bump flagsmith-common to 3.12, pyfakefs to 6 (#8007) (e55b56d)

CI

• Renovate: Eagerly bump flagsmith-common and flagsmith-private (#8005) (d625997)

Docs

• add Experimentation guides (#7993) (1c7121d)
• update links for local evaluation and edge proxy docs (#7961) (f9560b6)

2.252.0 (2026-07-03)

Features

• code-references: prompt users to add required integrations (#7844) (27e76f0)
• Flagsmith-on-Flagsmith: Send organisation trait to Flagsmith on identify (#7932) (0bc9f7a)
• improve experiment recommendation and disable Snowflake warehouse (#7940) (31c9dc9)
• onboarding: connection terminal and flags table (#7856) (ece3b36)
• Segment Membership: Recount after identity delete (#7933) (b8b25c1)

Bug Fixes

• experimentation: rebuild environment document on rollout change (#7929) (c9a5f54)
• organisation: disable delete button when active subscription exists (#7809) (44206a2)
• Segment Membership: Oversized numeric traits fail identity seeding (#7938) (cbc295a)
• Segment Membership: Percent sign in regex condition crashes segment count refresh (#7944) (e77c851)
• Segment Membership: Stagger the recurring count refresh fan-out (#7943) (9105ae0)
• usage: Send raw licence signature bytes in Control Plane auth token (#7936) (6849e3f)

Dependency Updates

• api: Bump flagsmith-sql-flag-engine to 0.1.3 (#7935) (946df88)

Docs

• integrations: Split Grafana and Prometheus integration pages (#7921) (d80e457)

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

• Segment Membership: Members list improvements (#7924) (43c99a2)

2.250.0 (2026-06-30)

Features

• add regional base URL select for Heap and Mixpanel integrations (#7904) (48ff59c)
• experiments: display rollout on detail page with inline edit (#7895) (796afbb)

Bug Fixes

• experimentation: keep variant assignment stable across rollout updates (#7912) (772b9cb)
• multivariate: persist variant key in DynamoDB environment document (#7915) (fe840c5)
• mypy: narrow compressed feature_states to bytes in dynamodb mapper test (#7916) (ee9f182)

Dependency Updates

• Update flagsmith-private to 0.10.1 (#7908) (c393d31)

2.249.0 (2026-06-29)

Features

experimentation: support multi-status filter in frontend (#7894) (5545f43)

experimentation: support multi-status filter on experiments list (#7893) (fc4a57f)

freeze flag editing when flag is in a running experiment (#7888) (de2f911)

Bug Fixes

add regional base URL for Mixpanel (#7802) (1d1cc9c)

detect multivariate differences between environments (#7635) (68ff940)

features: open feature slideout when deep link targets an off-page feature (#7807) (6fd31d7)

project-settings: add spacing between project name input and Update button when hasVariation is False (#7882) (ea52abb)

Utils: add guard against null rule value in validateRule (#7779) (ff21200)

Docs

[ImgBot] Optimize images (#7860) (51020e5)

2.247.0 (2026-06-26)

Features

• clickhouse: Add ingested_at and source to IDENTITIES (#7873) (6fcf5c7)
• clickhouse: add is_deleted to IDENTITIES (#7875) (408f05b)
• experimentation: enable rollout when an experiment starts (#7883) (59bc98d)
• experimentation: rollout configuration step in experiment wizard (#7859) (69b4113)
• experimentation: whitelist server-side keys for warehouse ingestion (#7865) (3fa605c)
• experiments: wire up results refresh with a shared RefreshControl (#7857) (0e7eca3)

Bug Fixes

• Tagging: TagType evaluated incorrectly in database queries (#7877) (9032039)

2.246.0 (2026-06-25)

Features

compare feature states across environments and segments (#7806) (b4f22f6)

experimentation: experiment rollout with multivariate segment override (#7851) (4203446)

experimentation: expose experiment rollout in API responses (#7858) (d79ed7e)

Feature Lifecycle: Update API with feature lifecycle info (#7789) (824988c)

in app mcp instructions (#7438) (ca07878)

Segment membership inspection: Add segment members read endpoint (#7861) (c983f85)

Bug Fixes

Change Requests: Revamp docs, improve UX (#7709) (171d251)

clickhouse: Task processor startup queries ClickHouse migrations on every boot (#7863) (5b2f0cc)

Dependency Updates

frontend: update dependency http-proxy-middleware to v3 [security] (#7830) (d0d81d7)

Update flagsmith-private to 0.10.0 (#7872) (00696c5)

2.244.0 (2026-06-22)

Features

• experiments: add experiment detail page with exposures panel (#7811) (47490f4)
• gate experiment placeholder only for paying customers (#7786) (51858d6)

Bug Fixes

• infra: add EXPERIMENTATION_CLICKHOUSE_URL to task processor task defs (#7845) (82b09a4)

Dependency Updates

• frontend: update dependency dompurify to v3.4.11 [security] (#7829) (0ce7ddb)

CI

• frontend: lint changed lines via eslint-plugin-diff (#7822) (d8727e0)
• frontend: skip Chromatic on fork PRs (#7823) (abfdc80)

2.243.0 (2026-06-19)

Features

• add BareButton primitive, migrate role=button sites (#7733) (09cbb72)
• experimentation: experiment results model, task and endpoints (#7796) (d68c358)
• experimentation: results aggregation query and payload builder (#7781) (c4670cb)
• Segment membership: Refresh membership counts on segment edit (#7828) (1bdb7ca)

Bug Fixes

• experiments: resolve environment-level variant allocations (#7805) (72a7df9)
• frontend: prevent crash if redirect param is undefined (#7788) (4be6fa0)
• Local: Fix make install (#7808) (294e591)

CI

• MCP: Remove Gram MCP schema push (#7820) (40323e3)
• raise db pg-max-connections for private cloud e2e (#7825) (8977abe)

2.242.0 (2026-06-16)

Features

• experiments: attach a primary metric in the create experiment wizard (#7780) (76fb3e3)
• MCP: Serve MCP at the bare server URL (#7797) (90b08f1)

Bug Fixes

• frontend: add guard against null model (#7778) (5665ad0)
• MCP: Bare server URL fails OAuth resource validation (#7798) (537b57e)
• trigger get warehouse stat request (#7794) (cdc3c06)

Dependency Updates

• frontend: update dependency dompurify to v3.4.9 [security] (#7790) (e927630)

Docs

• MCP: Document self-hosting the MCP server (#7800) (cfdf9dc)
• MCP: Rewrite MCP server page and generate the tool catalogue (#7668) (9c8cff0)