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[flags] Fix percentage based rollout output#15659

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chriswdmr merged 2 commits intomainfrom
chris/fla-2715-fix-weighted-split-in-cli
Mar 26, 2026
Merged

[flags] Fix percentage based rollout output#15659
chriswdmr merged 2 commits intomainfrom
chris/fla-2715-fix-weighted-split-in-cli

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This PR fixes an issue where we did not render the percentages for a weighted split for a flag

@chriswdmr chriswdmr requested review from a team as code owners March 20, 2026 15:19
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changeset-bot bot commented Mar 20, 2026

🦋 Changeset detected

Latest commit: fc541bb

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package
Name Type
vercel Patch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

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vercel bot commented Mar 20, 2026

Low Risk — CLI output formatting fix with new unit tests for percentage display.

  • .changeset/fresh-drinks-peel.md: added changeset for patch release
  • print-flag-details.ts: extracted formatSplitWeights helper to normalize weights as percentages
  • print-flag-details.test.ts: added unit tests for split weight percentage formatting

Assessed at fc541bb.

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github-actions bot commented Mar 20, 2026

🧪 Unit Test Strategy

Comparing: 6413f9afc541bb (view diff)

Strategy: Affected packages only

✅ Only testing packages that have been modified or depend on modified packages.

Affected packages - 1 (3%)
  1. vercel
Unaffected packages - 39 (98%)
  1. @vercel-internals/get-package-json
  2. @vercel/backends
  3. @vercel/build-utils
  4. @vercel/cervel
  5. @vercel/cli-auth
  6. @vercel/client
  7. @vercel/config
  8. @vercel/detect-agent
  9. @vercel/edge
  10. @vercel/elysia
  11. @vercel/error-utils
  12. @vercel/express
  13. @vercel/fastify
  14. @vercel/firewall
  15. @vercel/frameworks
  16. @vercel/fs-detectors
  17. @vercel/functions
  18. @vercel/gatsby-plugin-vercel-builder
  19. @vercel/go
  20. @vercel/h3
  21. @vercel/hono
  22. @vercel/hydrogen
  23. @vercel/koa
  24. @vercel/nestjs
  25. @vercel/next
  26. @vercel/node
  27. @vercel/oidc
  28. @vercel/oidc-aws-credentials-provider
  29. @vercel/python
  30. @vercel/python-analysis
  31. @vercel/redwood
  32. @vercel/related-projects
  33. @vercel/remix-builder
  34. @vercel/routing-utils
  35. @vercel/ruby
  36. @vercel/rust
  37. @vercel/static-build
  38. @vercel/static-config
  39. examples

Results

  • Unit tests: Only affected packages will run unit tests
  • E2E tests: Running in parallel via E2E Tests workflow
  • Type checks: Only affected packages will run type checks

This comment is automatically generated based on the affected testing strategy

@chriswdmr chriswdmr merged commit 67082c2 into main Mar 26, 2026
179 checks passed
@chriswdmr chriswdmr deleted the chris/fla-2715-fix-weighted-split-in-cli branch March 26, 2026 20:51
healeycodes pushed a commit that referenced this pull request Mar 27, 2026
This PR was opened by the [Changesets
release](https://github.com/changesets/action) GitHub action. When
you're ready to do a release, you can merge this and the packages will
be published to npm automatically. If you're not ready to do a release
yet, that's fine, whenever you add more changesets to main, this PR will
be updated.


# Releases
## @vercel/build-utils@13.12.0

### Minor Changes

- Add hash utilities (`streamToDigestAsync`, `sha256`, `md5`) and build
result helpers (`getBuildResultMetadata`, `getLambdaByOutputPath`,
`isRouteMiddleware`, `getPrerenderChain`, `streamWithExtendedPayload`)
for shared use. ([#15726](#15726))

## @vercel/backends@0.0.53

### Patch Changes

- Fix crash when a workspace dependency cannot be resolved by rolldown
([#15667](#15667))

- Updated dependencies
\[[`3427149c3751192b54bb4fad9d3b50f171a28666`](3427149)]:
    -   @vercel/build-utils@13.12.0

## @vercel/cervel@0.0.40

### Patch Changes

- Updated dependencies
\[[`9a7d4c509f56b5efdfc8b9e72e76fa69fc21e545`](9a7d4c5)]:
    -   @vercel/backends@0.0.53

## vercel@50.37.2

### Patch Changes

- Fix `vercel flags` environment details output to show weighted split
variants as normalized percentages in rule and default summaries.
([#15659](#15659))

- Updated dependencies
\[[`3427149c3751192b54bb4fad9d3b50f171a28666`](3427149),
[`9a7d4c509f56b5efdfc8b9e72e76fa69fc21e545`](9a7d4c5)]:
    -   @vercel/build-utils@13.12.0
    -   @vercel/backends@0.0.53
    -   @vercel/elysia@0.1.55
    -   @vercel/express@0.1.65
    -   @vercel/fastify@0.1.58
    -   @vercel/go@3.4.6
    -   @vercel/h3@0.1.64
    -   @vercel/hono@0.2.58
    -   @vercel/hydrogen@1.3.6
    -   @vercel/koa@0.1.38
    -   @vercel/nestjs@0.2.59
    -   @vercel/next@4.16.3
    -   @vercel/node@5.6.22
    -   @vercel/python@6.28.0
    -   @vercel/redwood@2.4.12
    -   @vercel/remix-builder@5.7.2
    -   @vercel/ruby@2.3.2
    -   @vercel/rust@1.0.5
    -   @vercel/static-build@2.9.6

## @vercel/client@17.2.65

### Patch Changes

- Updated dependencies
\[[`3427149c3751192b54bb4fad9d3b50f171a28666`](3427149)]:
    -   @vercel/build-utils@13.12.0

## @vercel/elysia@0.1.55

### Patch Changes

-   Updated dependencies \[]:
    -   @vercel/node@5.6.22

## @vercel/express@0.1.65

### Patch Changes

-   Updated dependencies \[]:
    -   @vercel/node@5.6.22
    -   @vercel/cervel@0.0.40

## @vercel/fastify@0.1.58

### Patch Changes

-   Updated dependencies \[]:
    -   @vercel/node@5.6.22

## @vercel/fs-detectors@5.12.2

### Patch Changes

- Updated dependencies
\[[`3427149c3751192b54bb4fad9d3b50f171a28666`](3427149)]:
    -   @vercel/build-utils@13.12.0

## @vercel/gatsby-plugin-vercel-builder@2.1.6

### Patch Changes

- Updated dependencies
\[[`3427149c3751192b54bb4fad9d3b50f171a28666`](3427149)]:
    -   @vercel/build-utils@13.12.0

## @vercel/h3@0.1.64

### Patch Changes

-   Updated dependencies \[]:
    -   @vercel/node@5.6.22

## @vercel/hono@0.2.58

### Patch Changes

-   Updated dependencies \[]:
    -   @vercel/node@5.6.22

## @vercel/koa@0.1.38

### Patch Changes

-   Updated dependencies \[]:
    -   @vercel/node@5.6.22

## @vercel/nestjs@0.2.59

### Patch Changes

-   Updated dependencies \[]:
    -   @vercel/node@5.6.22

## @vercel/node@5.6.22

### Patch Changes

- Updated dependencies
\[[`3427149c3751192b54bb4fad9d3b50f171a28666`](3427149)]:
    -   @vercel/build-utils@13.12.0

## @vercel/static-build@2.9.6

### Patch Changes

-   Updated dependencies \[]:
    -   @vercel/gatsby-plugin-vercel-builder@2.1.6

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
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