Flagsmith Release Notes

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)

2.241.0 (2026-06-16)

Features

• add Heap region support (#7732) (5ef4042)
• choose environment administrators on environment creation (#7610) (58a7463)
• Code References: Allow empty code reference scans to clear references (#7764) (879046c)
• experimentation: accept inline metrics on experiment creation (#7770) (4c4a992)
• experimentation: add experiment exposures model, warehouse query and summary builder (#7740) (a9822c3)
• experimentation: Bayesian stats kernel (#7769) (44c2b69)
• experimentation: experiment exposures read and refresh endpoints (#7754) (a65d175)
• label variant key UI (#7745) (118bdbc)
• MCP: Push MCP usage via OTel (#7746) (5d410f2)
• sort/inspect users across permissions tables (#7611) (51dfe03)

Bug Fixes

• api: Remove Django pin from uv override-dependencies and upgrade to 5.2.15 (#7755) (8a6c26b)
• ci: Fix MCP env var names (#7744) (d8ae75c)
• frontend: Allow change request deletion based on API permissions (#7772) (601e716)
• frontend: gate app boot on ConfigStore.hasLoaded to avoid loader deadlock (#7785) (3965016)
• Normalise heap base url and add request coverage (#7747) (79a1673)
• Password validation fires before disabled invites check (#7711) (8cf2785)

CI

• frontend: lint changed files on pull requests (#7748) (56f2ad6)
• frontend: upload Playwright artifacts when E2E tests fail (#7774) (9fd0eb3)
• mcp: render and deploy task definition to ECS (#7716) (9d6105d)

Docs

• migrate flagsmith-cli and flagsmith-nodejs references to @flagsmith scope (#7583) (4be0701)
• remove trailing whitespace in Data Model documentation (#7773) (1d18113)

2.240.0 (2026-06-09)

Features

• added tests for n plus 1 queries in metrics view (#7728) (4aab293)
• experimentation: metrics list view with edit, delete and pagination (#7731) (fef753d)
• experimentation: warehouse connection verification UI (#7678) (7eda0b1)
• experiments: Create Metric page (#7712) (416de5c)
• multivariate: reserve "control" as a variant key (#7725) (aa90ffc)

Bug Fixes

• frontend: prevent error when inputRef is undefined (#7649) (591ecb3)
• support decimal multivariate variation weights (#7672) (c70b12e)