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feat(target): add support for universal ESM target in platform properties#21252

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alexander-akait merged 2 commits into
webpack:mainfrom
bjohansebas:universal-platform
Jun 23, 2026
Merged

feat(target): add support for universal ESM target in platform properties#21252
alexander-akait merged 2 commits into
webpack:mainfrom
bjohansebas:universal-platform

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@bjohansebas

@bjohansebas bjohansebas commented Jun 23, 2026

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Summary

This is to simplify the logic in dev-server

What kind of change does this PR introduce?

Did you add tests for your changes?

Does this PR introduce a breaking change?

If relevant, what needs to be documented once your changes are merged or what have you already documented?

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Copilot AI review requested due to automatic review settings June 23, 2026 00:54
Copilot AI reviewed Jun 23, 2026

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Copilot was unable to review this pull request because the user who requested the review has reached their quota limit.

@changeset-bot

changeset-bot Bot commented Jun 23, 2026 •
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🦋 Changeset detected

Latest commit: 69ffee3

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

This PR includes changesets to release 1 package
Name Type
webpack Minor

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

@codecov

codecov Bot commented Jun 23, 2026 •
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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 92.80%. Comparing base (743256f) to head (69ffee3).

Additional details and impacted files 
@@           Coverage Diff           @@
##             main   #21252   +/-   ##
=======================================
  Coverage   92.80%   92.80%           
=======================================
  Files         589      589           
  Lines       64616    64617    +1     
  Branches    17978    17979    +1     
=======================================
+ Hits        59965    59966    +1     
  Misses       4651     4651
Flag Coverage Δ
css-parsing 28.69% <100.00%> (+<0.01%) ⬆️
html5lib 31.11% <100.00%> (+<0.01%) ⬆️
integration 88.92% <100.00%> (+<0.01%) ⬆️
test262 45.42% <100.00%> (+0.03%) ⬆️
unit 41.37% <100.00%> (+<0.01%) ⬆️

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@codspeed-hq

codspeed-hq Bot commented Jun 23, 2026 •
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Merging this PR will not alter performance

⚡ 2 improved benchmarks
❌ 2 regressed benchmarks
✅ 140 untouched benchmarks

Warning

Please fix the performance issues or acknowledge them on CodSpeed.

Performance Changes

Mode Benchmark BASE HEAD Efficiency
❌ Memory benchmark "asset-modules-bytes", scenario '{"name":"mode-development-rebuild","mode":"development","watch":true}' 246.6 KB 1,050.8 KB -76.53%
❌ Memory benchmark "many-modules-esm", scenario '{"name":"mode-production","mode":"production"}' 7.3 MB 10.5 MB -30.03%
⚡ Memory benchmark "wasm-modules-sync", scenario '{"name":"mode-development-rebuild","mode":"development","watch":true}' 358.3 KB 123.5 KB ×2.9
⚡ Memory benchmark "many-chunks-esm", scenario '{"name":"mode-production","mode":"production"}' 9.3 MB 7 MB +33.71%

Tip

Investigate this regression by commenting @codspeedbot fix this regression on this PR, or directly use the CodSpeed MCP with your agent.

Comparing bjohansebas:universal-platform (69ffee3) with main (743256f)

Open in CodSpeed

@alexander-akait alexander-akait merged commit a592d46 into webpack:main Jun 23, 2026
63 checks passed
@github-actions

github-actions Bot commented Jun 23, 2026

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This PR is packaged and the instant preview is available (a592d46).

Install it locally:

  • npm
npm i -D webpack@https://pkg.pr.new/webpack@a592d46
  • yarn
yarn add -D webpack@https://pkg.pr.new/webpack@a592d46
  • pnpm
pnpm add -D webpack@https://pkg.pr.new/webpack@a592d46

@github-actions github-actions Bot mentioned this pull request Jun 23, 2026
Merged
@bjohansebas bjohansebas deleted the universal-platform branch June 23, 2026 15:18
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@bjohansebas @alexander-akait