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@dmarticus dmarticus commented Nov 19, 2025

Problem

See PostHog/posthog#41824 for context

Changes

All of the JS libraries that emit $feature_flag_called events received this change.

Release info Sub-libraries affected

Libraries affected

  • All of them
  • posthog-js (web)
  • [x posthog-js-lite (web lite)
  • posthog-node
  • posthog-react-native
  • @posthog/react
  • @posthog/ai
  • @posthog/nextjs-config
  • @posthog/nuxt

Checklist

  • Tests for new code
  • Accounted for the impact of any changes across different platforms
  • Accounted for backwards compatibility of any changes (no breaking changes!)
  • Took care not to unnecessarily increase the bundle size

If releasing new changes

  • Ran pnpm changeset to generate a changeset file
  • Added the "release" label to the PR to indicate we're publishing new versions for the affected packages

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The latest updates on your projects. Learn more about Vercel for GitHub.

Project Deployment Preview Updated (UTC)
posthog-js Ready Ready Preview Dec 2, 2025 2:58am
posthog-nextjs-config Ready Ready Preview Dec 2, 2025 2:58am

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github-actions bot commented Nov 19, 2025

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github-actions bot commented Nov 19, 2025

Size Change: +1.94 kB (+0.04%)

Total Size: 5.1 MB

Filename Size Change
packages/browser/dist/array.full.es5.js 303 kB +143 B (+0.05%)
packages/browser/dist/array.full.js 368 kB +133 B (+0.04%)
packages/browser/dist/array.full.no-external.js 383 kB +133 B (+0.03%)
packages/browser/dist/array.js 163 kB +133 B (+0.08%)
packages/browser/dist/array.no-external.js 176 kB +133 B (+0.08%)
packages/browser/dist/main.js 164 kB +133 B (+0.08%)
packages/browser/dist/module.full.js 369 kB +133 B (+0.04%)
packages/browser/dist/module.full.no-external.js 384 kB +133 B (+0.03%)
packages/browser/dist/module.js 164 kB +133 B (+0.08%)
packages/browser/dist/module.no-external.js 177 kB +133 B (+0.08%)
packages/core/dist/posthog-core-stateless.js 29.6 kB +52 B (+0.18%)
packages/core/dist/posthog-core-stateless.mjs 27.1 kB +52 B (+0.19%)
packages/core/dist/posthog-core.js 28.2 kB +136 B (+0.49%)
packages/core/dist/posthog-core.mjs 24 kB +80 B (+0.33%)
packages/node/dist/client.js 24.2 kB +141 B (+0.59%)
packages/node/dist/client.mjs 22.3 kB +141 B (+0.64%)
ℹ️ View Unchanged
Filename Size Change
packages/ai/dist/anthropic/index.cjs 17.3 kB 0 B
packages/ai/dist/anthropic/index.mjs 17.2 kB 0 B
packages/ai/dist/gemini/index.cjs 21.2 kB 0 B
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@dmarticus dmarticus marked this pull request as ready for review November 20, 2025 19:10
@dmarticus dmarticus requested a review from a team as a code owner November 20, 2025 19:10
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Additional Comments (3)

  1. packages/browser/src/__tests__/featureflags.test.ts, line 1707-1817 (link)

    style: tests validate requestId but missing tests for new evaluatedAt property. check that similar tests for $feature_flag_evaluated_at exist to match the pattern used for $feature_flag_request_id

  2. packages/node/src/__tests__/feature-flags.flags.spec.ts, line 165 (link)

    style: test validates $feature_flag_request_id but missing validation for new $feature_flag_evaluated_at property

  3. packages/core/src/__tests__/posthog.featureflags.spec.ts, line 619 (link)

    style: test validates $feature_flag_request_id but missing validation for new $feature_flag_evaluated_at property

6 files reviewed, 4 comments

Edit Code Review Agent Settings | Greptile

}
quotaLimited?: string[]
requestId?: string
evaluatedAt?: number // Unix timestamp in milliseconds
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UTC i assume?

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yeah, since UTC epoch; I'll update the comment

@marandaneto marandaneto requested a review from a team November 21, 2025 09:16
@github-project-automation github-project-automation bot moved this from In Review to Approved in Feature Flags Nov 24, 2025
@dmarticus dmarticus merged commit e1617d9 into main Dec 2, 2025
45 of 48 checks passed
@dmarticus dmarticus deleted the feat/publish-evaluated-at-events branch December 2, 2025 15:24
@github-project-automation github-project-automation bot moved this from Approved to Done in Feature Flags Dec 2, 2025
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5 participants