chore(deps): update babel monorepo to v8

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
@babel/core (source)	7.29.7 → 8.0.1
@babel/preset-env (source)	7.29.7 → 8.0.2

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Release Notes

babel/babel (@​babel/core)

v8.0.1

Compare Source

💥 Breaking Change

• babel-core, babel-plugin-transform-object-rest-spread, babel-plugin-transform-runtime, babel-preset-env, babel-standalone
  • #​18079 Actually remove preset-env's useBuiltIns (@​nicolo-ribaudo)

v8.0.0

Compare Source

👓 Spec Compliance

• babel-core
  • #​18039 perf: Only extract source map comments at the end of the file (@​liuxingbaoyu)

💥 Breaking Change

• babel-cli, babel-node, babel-plugin-proposal-decorators, babel-plugin-transform-classes, babel-plugin-transform-function-name, babel-plugin-transform-modules-commonjs, babel-plugin-transform-object-rest-spread, babel-plugin-transform-parameters, babel-plugin-transform-react-constant-elements, babel-plugin-transform-regenerator, babel-preset-env, babel-register
  • #​18069 Fallback to assuming ESM support with modules: auto (@​nicolo-ribaudo)
• babel-plugin-transform-runtime, babel-runtime-corejs3, babel-runtime
  • #​18036 Remove corejs exports for @babe/runtime-corejs3 (@​liuxingbaoyu)
• babel-parser
  • #​18034 Remove locations: "packed" (@​liuxingbaoyu)

🐛 Bug Fix

• babel-generator
  • #​18046 fix(generator): improve new callee parens check (@​JLHwung)
• babel-plugin-transform-modules-systemjs
  • #​18032 fix(systemjs): support proto as an export name (@​JLHwung)

📝 Documentation

• #​18070 Add EOL date for Babel 7 (end of June 2027) to SECURITY.md (@​nicolo-ribaudo)

🏠 Internal

• #​18018 ci: enforce yarn integrity (@​JLHwung)

🏃‍♀️ Performance

• babel-core
  • #​18039 perf: Only extract source map comments at the end of the file (@​liuxingbaoyu)

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Performance Comparison Report

• Current: HEAD (1bc1ee7) - 2026-06-30 17:10:48Z
• Baseline: main (a56b4f7) - 2026-06-30 17:10:09Z

Significant Changes To Duration

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Meaningless Changes To Duration

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Name	Type	Duration	Count
Perf test Renders markdown	render	11.2 ms → 11.0 ms (-0.1 ms, -1.2%)	1 → 1

Show details

Name	Type	Duration	Count
Perf test Renders markdown	render	Baseline Mean: 11.2 ms Stdev: 0.4 ms (3.5%) Runs: 11.2 10.7 10.7 10.6 11.1 11.3 11.3 11.5 11.7 11.5 Warmup runs: 5523.1 Removed outliers: (none) Current Mean: 11.0 ms Stdev: 0.6 ms (5.2%) Runs: 10.9 10.5 10.4 10.5 10.8 10.9 11.0 12.2 11.6 11.5 Warmup runs: 183.4 Removed outliers: (none)	Baseline Mean: 1 Stdev: 0 (0.0%) Runs: 1 1 1 1 1 1 1 1 1 1 Render issues: Current Mean: 1 Stdev: 0 (0.0%) Runs: 1 1 1 1 1 1 1 1 1 1 Render issues:

Render Count Changes

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Render Issues

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Generated by 🚫 dangerJS against f089204

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