chore(main): release 2.259.0

[flagsmith-engineering]

🤖 I have created a release beep boop

2.259.0 (2026-07-29)

Features

• ClickHouse database setup SQL on the warehouse card and docs (#8112) (f8eeab0)
• onboarding: wire the verify console to the real first-evaluation signal (#8132) (b8073b9)
• push delivery of buffered events to external ClickHouse warehouses (#8107) (41b8b9f)
• Redesign Compare Environments page (#7965) (acb3eb9)
• verify ClickHouse events table and query customer event stats (#8116) (551ac44)

Bug Fixes

• code-help: correct the identity and segment snippets (#8146) (4d32782)
• code-help: make the SDK snippets runnable (#8145) (238babf)

Dependency Updates

• frontend: bump immutable, postcss, fast-uri and rspack [security] (#8156) (968e2c3)

Docs

• Add stale flag detection documentation (#8142) (b14dd0c)

---

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3 Skipped Deployments

Project	Deployment	Actions	Updated (UTC)
docs	Ignored	Preview	Jul 29, 2026 3:35pm
flagsmith-frontend-preview	Ignored	Preview	Jul 29, 2026 3:35pm
flagsmith-frontend-staging	Ignored	Preview	Jul 29, 2026 3:35pm

[github-actions]

✅ oss · depot-ubuntu-latest-arm-16 — run #18858 (attempt 1)

Playwright Test Results (oss - depot-ubuntu-latest-arm-16)

 1 passed

Details

 1 test across 1 suite
 45.7 seconds
 963c0c7
 🔄 Run: #18858 (attempt 1)

🗂️ Previous results

✅ oss · depot-ubuntu-latest-16 — run #18858 (attempt 1)

Playwright Test Results (oss - depot-ubuntu-latest-16)

 1 passed

Details

 1 test across 1 suite
 41 seconds
 963c0c7
 🔄 Run: #18858 (attempt 1)

✅ oss · depot-ubuntu-latest-arm-16 — run #18855 (attempt 1)

Playwright Test Results (oss - depot-ubuntu-latest-arm-16)

 1 passed

Details

 1 test across 1 suite
 47.4 seconds
 3267833
 🔄 Run: #18855 (attempt 1)

✅ oss · depot-ubuntu-latest-16 — run #18855 (attempt 1)

Playwright Test Results (oss - depot-ubuntu-latest-16)

 1 passed

Details

 1 test across 1 suite
 37.8 seconds
 3267833
 🔄 Run: #18855 (attempt 1)

✅ oss · depot-ubuntu-latest-arm-16 — run #18849 (attempt 1)

Playwright Test Results (oss - depot-ubuntu-latest-arm-16)

 1 passed

Details

 1 test across 1 suite
 47.5 seconds
 8d11640
 🔄 Run: #18849 (attempt 1)

✅ oss · depot-ubuntu-latest-16 — run #18849 (attempt 1)

Playwright Test Results (oss - depot-ubuntu-latest-16)

 1 passed

Details

 1 test across 1 suite
 33.7 seconds
 8d11640
 🔄 Run: #18849 (attempt 1)

✅ oss · depot-ubuntu-latest-arm-16 — run #18845 (attempt 1)

Playwright Test Results (oss - depot-ubuntu-latest-arm-16)

 1 passed

Details

 1 test across 1 suite
 45.8 seconds
 3c3d89a
 🔄 Run: #18845 (attempt 1)

✅ oss · depot-ubuntu-latest-16 — run #18845 (attempt 1)

Playwright Test Results (oss - depot-ubuntu-latest-16)

 1 passed

Details

 1 test across 1 suite
 33.5 seconds
 3c3d89a
 🔄 Run: #18845 (attempt 1)

❌ oss · depot-ubuntu-latest-16 — run #18834 (attempt 1)

Playwright Test Results (oss - depot-ubuntu-latest-16)

 1 failed

Details

 1 test across 1 suite
 21.3 seconds
 e9b9c2d
 📦 Artifacts: View test results and HTML report
🔄 Run: #18834 (attempt 1)

Failed tests

firefox › tests/segment-test.pw.ts › Segment test 1 - Create, update, and manage segments with multivariate flags @oss

✅ oss · depot-ubuntu-latest-arm-16 — run #18828 (attempt 1)

Playwright Test Results (oss - depot-ubuntu-latest-arm-16)

 1 passed

Details

 1 test across 1 suite
 44.5 seconds
 3b814e7
 🔄 Run: #18828 (attempt 1)

✅ oss · depot-ubuntu-latest-16 — run #18828 (attempt 1)

Playwright Test Results (oss - depot-ubuntu-latest-16)

 1 passed

Details

 1 test across 1 suite
 41 seconds
 3b814e7
 🔄 Run: #18828 (attempt 1)

✅ oss · depot-ubuntu-latest-arm-16 — run #18827 (attempt 1)

Playwright Test Results (oss - depot-ubuntu-latest-arm-16)

 1 passed

Details

 1 test across 1 suite
 44.2 seconds
 bdf25c9
 🔄 Run: #18827 (attempt 1)

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.71%. Comparing base (41b8b9f) to head (963c0c7).
⚠️ Report is 6 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #8144   +/-   ##
=======================================
  Coverage   98.71%   98.71%           
=======================================
  Files        1530     1530           
  Lines       61195    61195           
=======================================
  Hits        60407    60407           
  Misses        788      788           

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