Update devDependencies (major)

[renovate]

ℹ️ Note

This PR body was truncated due to platform limits.

This PR contains the following updates:

Package	Change	Age	Confidence
@babel/core (source)	^7.23.6 → ^8.0.0
@babel/core (source)	^7.26.0 → ^8.0.0
@babel/eslint-parser (source)	^7.28.6 → ^8.0.0
@babel/plugin-proposal-decorators (source)	^7.23.9 → ^8.0.0
@babel/plugin-proposal-decorators (source)	^7.25.9 → ^8.0.0
@babel/plugin-transform-runtime (source)	^7.28.5 → ^8.0.0
@babel/plugin-transform-typescript (source)	^7.26.3 → ^8.0.0
@ember/test-waiters	^3.1.0 → ^4.0.0
@eslint/js (source)	^9.17.0 → ^10.0.0
@glimmer/component	^1.1.2 → ^2.0.0
@typescript-eslint/parser (source)	^7.1.0 → ^8.0.0
@typescript-eslint/scope-manager (source)	^7.1.0 → ^8.0.0
@typescript-eslint/visitor-keys (source)	^7.1.0 → ^8.0.0
babel-plugin-ember-template-compilation	^3.0.1 → ^4.0.0
concurrently	^8.2.2 → ^10.0.0
ember-source (source)	^5.6.0 → ^7.0.0
ember-source (source)	^6.1.0 → ^7.0.0
eslint (source)	^8.0.1 → ^10.0.0
eslint (source)	^9.0.0 → ^10.0.0
eslint (source)	^8.0.0 → ^10.0.0
eslint (source)	^9.17.0 → ^10.0.0
eslint-config-prettier	^9.1.0 → ^10.0.0
eslint-plugin-ember	^12.0.0 → ^13.0.0
eslint-plugin-ember	^12.3.3 → ^13.0.0
eslint-plugin-n	^17.15.1 → ^18.0.0
eslint-plugin-n	^16.4.0 → ^18.0.0
eslint-plugin-promise	^6.0.0 → ^7.0.0
execa	^8.0.1 → ^9.0.0
globals	^15.14.0 → ^17.0.0
globals	^13.24.0 → ^17.0.0
typescript (source)	^5.3.3 → ^6.0.0
typescript (source)	^5.0.0 → ^6.0.0
typescript (source)	^5.7.2 → ^6.0.0
vite (source)	^5.0.12 → ^8.0.0
vitest (source)	^1.2.2 → ^4.0.0

---

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)

v7.29.7

Compare Source

v7.29.7 (2026-05-25)

Re-release all packages with npm provenance attestations

v7.29.6

Compare Source

v7.29.6 (2026-05-25)

🐛 Bug Fix

• babel-generator
  • #​18014 Catchup source map position in preserveFormat (@​nicolo-ribaudo)
• babel-core
  • #​18001 [7.x packport]Improve input source map handling (@​JLHwung)
• babel-core, babel-generator
  • #​17998 Preserve original identifier names from input sourcemaps (#​17992) (@​Andarist)

Committers: 3

• Huáng Jùnliàng (@​JLHwung)
• Mateusz Burzyński (@​Andarist)
• Nicolò Ribaudo (@​nicolo-ribaudo)

v7.29.0

Compare Source

v7.29.0 (2026-01-31)

Thanks @​simbahax for your first PR!

🚀 New Feature

• babel-types
  • #​17750 [7.x backport] Add attributes import declaration builder (@​JLHwung)
• babel-standalone
  • #​17663 [7.x backport] feat(standalone): export async transform (@​JLHwung)
  • #​17725 [7.x backport] feat: read standalone targets from data-targets (@​JLHwung)

🐛 Bug Fix

• babel-parser
  • #​17765 fix(parser): correctly parse type assertions in extends clause (@​nicolo-ribaudo)
  • #​17723 [7.x backport] fix(parser): improve super type argument parsing (@​JLHwung)
• babel-traverse
  • #​17708 fix(traverse): provide a hub when traversing a File or Program and no parentPath is given (@​simbahax)
• babel-plugin-transform-block-scoping, babel-traverse
  • #​17737 [7.x backport] fix: Rename switch discriminant references when body creates shadowing variable (@​magic-akari)

🏃‍♀️ Performance

• babel-generator, babel-runtime-corejs3
  • #​17642 [Babel 7] Improve generator performance (@​liuxingbaoyu)

Committers: 6

• David (@​simbahax)
• Huáng Jùnliàng (@​JLHwung)
• Nicolò Ribaudo (@​nicolo-ribaudo)
• @​liuxingbaoyu
• @​magic-akari

v7.28.6

Compare Source

v7.28.5

Compare Source

👓 Spec Compliance

• babel-parser
  • #​17446 Allow Runtime Errors for Function Call Assignment Targets (@​liuxingbaoyu)
• babel-helper-validator-identifier
  • #​17501 fix: update identifier to unicode 17 (@​fisker)

🐛 Bug Fix

• babel-plugin-proposal-destructuring-private
  • #​17534 Allow mixing private destructuring and rest (@​CO0Ki3)
• babel-parser
  • #​17521 Improve @babel/parser error typing (@​JLHwung)
  • #​17491 fix: improve ts-only declaration parsing (@​JLHwung)
• babel-plugin-proposal-discard-binding, babel-plugin-transform-destructuring
  • #​17519 fix: rest correctly returns plain array (@​liuxingbaoyu)
• babel-helper-create-class-features-plugin, babel-helper-member-expression-to-functions, babel-plugin-transform-block-scoping, babel-plugin-transform-optional-chaining, babel-traverse, babel-types
  • #​17503 Fix JSXIdentifier handling in isReferencedIdentifier (@​JLHwung)
• babel-traverse
  • #​17504 fix: ensure scope.push register in anonymous fn (@​JLHwung)

🏠 Internal

• babel-types
  • #​17494 Type checking babel-types scripts (@​JLHwung)

🏃‍♀️ Performance

• babel-core
  • #​17490 Faster finding of locations in buildCodeFrameError (@​liuxingbaoyu)

v7.28.4

Compare Source

🏠 Internal

• babel-core, babel-helper-check-duplicate-nodes, babel-traverse, babel-types
  • #​17493 Update Jest to v30.1.1 (@​JLHwung)
• babel-plugin-transform-regenerator
  • #​17455 chore: Clean up transform-regenerator (@​liuxingbaoyu)
• babel-core
  • #​17474 Switch to @​jridgewell/remapping (@​mrginglymus)

v7.28.3

Compare Source

👓 Spec Compliance

• babel-helper-create-class-features-plugin, babel-plugin-proposal-decorators, babel-plugin-transform-class-static-block, babel-preset-env
  • #​17443 [static blocks] Do not inject new static fields after static code (@​nicolo-ribaudo)

🐛 Bug Fix

• babel-parser
  • #​17465 fix(parser/typescript): parse import("./a", {with:{},}) (@​easrng)
  • #​17478 fix(parser): stop subscript parsing on async arrow (@​JLHwung)

💅 Polish

• babel-plugin-transform-regenerator, babel-plugin-transform-runtime
  • #​17363 Do not save last yield in call in temp var (@​nicolo-ribaudo)

📝 Documentation

• #​17448 move eslint-{parser,plugin} docs to the website (@​JLHwung)

🏠 Internal

• #​17454 Enable type checking for scripts and babel-worker.cjs (@​JLHwung)

🔬 Output optimization

• babel-plugin-proposal-destructuring-private, babel-plugin-proposal-do-expressions
  • #​17444 Optimize do expression output (@​JLHwung)

v7.28.0

Compare Source

🚀 New Feature

• babel-node
  • #​17147 Support top level await in node repl (@​liuxingbaoyu)
• babel-types
  • #​17258 feat(matchesPattern): support super/private/meta (@​JLHwung)
• babel-compat-data, babel-preset-env
  • #​17355 Add explicit resource management to preset-env (@​JLHwung)
• babel-core, babel-parser
  • #​17390 Support sourceType: "commonjs" (@​JLHwung)
• babel-generator, babel-parser
  • #​17346 Materialize explicitResourceManagement parser plugin (@​JLHwung)
• babel-plugin-proposal-destructuring-private, babel-plugin-proposal-do-expressions, babel-plugin-transform-object-rest-spread, babel-traverse, babel-types
  • #​17391 LVal coverage updates (Part 2) (@​JLHwung)
• babel-parser, babel-traverse, babel-types
  • #​17378 Accept bigints in t.bigIntLiteral factory (@​JLHwung)
• babel-generator, babel-plugin-proposal-destructuring-private, babel-plugin-proposal-discard-binding, babel-plugin-transform-destructuring, babel-plugin-transform-explicit-resource-management, babel-plugin-transform-react-display-name, babel-types
  • #​17277 Transform discard binding (@​JLHwung)
• babel-generator, babel-parser, babel-plugin-proposal-destructuring-private, babel-plugin-transform-block-scoping, babel-plugin-transform-object-rest-spread, babel-plugin-transform-typescript, babel-traverse, babel-types
  • #​17163 Parse discard binding (@​JLHwung)

🐛 Bug Fix

• babel-helper-globals, babel-plugin-transform-classes, babel-traverse
  • #​17297 Create babel-helper-globals (@​JLHwung)
• babel-types
  • #​17009 feature: TSTypeOperator: keyof (#​16799) (@​coderaiser)

🏠 Internal

• babel-compat-data, babel-plugin-proposal-decorators, babel-plugin-transform-async-generator-functions, babel-plugin-transform-json-modules, babel-plugin-transform-regenerator, babel-plugin-transform-runtime, babel-preset-env, babel-runtime-corejs3
  • #​17403 Update babel-polyfill packages (@​nicolo-ribaudo)

v7.27.7

Compare Source

👓 Spec Compliance

• babel-parser, babel-plugin-transform-classes
  • #​17203 Interepret parser allow* options as top level only (@​JLHwung)
• babel-parser
  • #​17371 fix: disable using in ambient context (@​JLHwung)

🐛 Bug Fix

• babel-core
  • #​17392 Improve TS babel config loading (@​JLHwung)
• babel-types
  • #​17376 fix: support negative bigint in valueToNode (@​JLHwung)
• babel-plugin-transform-parameters
  • #​17352 fix: Params of async function* should throw synchronously (@​liuxingbaoyu)

🏠 Internal

• babel-plugin-transform-destructuring, babel-plugin-transform-object-rest-spread
  • #​17389 Use NodePath#splitExportDeclaration in destructuring transforms (@​JLHwung)

v7.27.4

Compare Source

👓 Spec Compliance

• babel-parser, babel-plugin-proposal-explicit-resource-management
  • #​17323 Disallow using in bare case statement (@​JLHwung)

💅 Polish

• babel-parser
  • #​17311 Improve parseExpression error messages (@​JLHwung)

🔬 Output optimization

• babel-helpers, babel-plugin-transform-async-generator-functions, babel-plugin-transform-async-to-generator, babel-plugin-transform-block-scoping, babel-plugin-transform-classes, babel-plugin-transform-destructuring, babel-plugin-transform-regenerator, babel-plugin-transform-runtime, babel-preset-env, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
  • #​17287 Reduce regenerator size more (@​liuxingbaoyu)
• babel-helpers, babel-plugin-transform-async-generator-functions, babel-plugin-transform-async-to-generator, babel-plugin-transform-block-scoping, babel-plugin-transform-classes, babel-plugin-transform-destructuring, babel-plugin-transform-regenerator, babel-plugin-transform-runtime, babel-preset-env, babel-runtime-corejs3
  • #​17334 Use shorter method names for regenerator context (@​nicolo-ribaudo)
  • #​17268 Reduce regenerator helper size (@​liuxingbaoyu)
• babel-core, babel-helpers, babel-plugin-transform-async-generator-functions, babel-plugin-transform-async-to-generator, babel-plugin-transform-block-scoping, babel-plugin-transform-classes, babel-plugin-transform-destructuring, babel-plugin-transform-regenerator, babel-plugin-transform-runtime, babel-preset-env, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime, babel-standalone
  • #​17238 Split regeneratorRuntime into multiple helpers (@​nicolo-ribaudo)

v7.27.3

Compare Source

🐛 Bug Fix

• babel-generator
  • #​17324 Improve multiline comments handling in yield/await expression (@​JLHwung)
• babel-helpers, babel-plugin-transform-async-generator-functions, babel-plugin-transform-regenerator, babel-preset-env, babel-runtime-corejs3
  • #​17328 Correctly set .displayName on GeneratorFunction (@​nicolo-ribaudo)
• babel-plugin-proposal-explicit-resource-management
  • #​17319 fix: handle shadowed binding in for using of body (@​JLHwung)
  • #​17317 fix: support named evaluation for using declaration (@​JLHwung)
• babel-plugin-proposal-decorators, babel-types
  • #​17321 fix(converter): Remove abstract modifiers in class declaration to expression conversion (@​magic-akari)
• babel-helper-module-transforms, babel-plugin-proposal-explicit-resource-management, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-umd
  • #​17257 Preserve class id when transforming using declarations with exported class (@​JLHwung)
• babel-parser
  • #​17312 fix(parser): properly handle optional markers in generator class methods (@​magic-akari)
  • #​17307 fix(parser): Terminate modifier parsing at newline (@​magic-akari)
• babel-generator, babel-parser
  • #​17308 Improve import phase parsing (@​JLHwung)

v7.27.1

Compare Source

👓 Spec Compliance

• babel-parser
  • #​17254 Allow using of as lexical declaration within for (@​JLHwung)
  • #​17230 Disallow get/set in TSPropertySignature (@​JLHwung)
• babel-parser, babel-types
  • #​17193 Stricter TSImportType options parsing (@​JLHwung)

🐛 Bug Fix

• babel-plugin-proposal-destructuring-private, babel-plugin-proposal-do-expressions, babel-traverse
  • #​17137 fix: do expressions should allow early exit (@​kermanx)
• babel-helper-wrap-function, babel-plugin-transform-async-to-generator
  • #​17251 Fix: propagate argument evaluation errors through async promise chain (@​magic-akari)
• babel-helper-remap-async-to-generator, babel-plugin-transform-async-to-generator
  • #​17231 fix apply()/call() annotated as pure (@​Lacsw)
• babel-helper-fixtures, babel-parser
  • #​17233 Create ChainExpression within TSInstantiationExpression (@​JLHwung)
• babel-generator, babel-parser
  • #​17226 Fill optional AST properties when both estree and typescript parser plugin are enabled (Part 2) (@​JLHwung)
• babel-parser
  • #​17224 Fill optional AST properties when both estree and typescript parser plugin are enabled (Part 1) (@​JLHwung)
  • #​17080 Fix start of TSParameterProperty (@​JLHwung)
• babel-compat-data, babel-preset-env
  • #​17228 Update firefox bugfix compat data (@​JLHwung)
• babel-traverse
  • #​17156 fix: Objects and arrays with multiple references should not be evaluated (@​liuxingbaoyu)
• babel-generator
  • #​17216 Fix: support const type parameter in generator (@​JLHwung)

💅 Polish

• babel-plugin-bugfix-v8-spread-parameters-in-optional-chaining, babel-plugin-proposal-decorators, babel-plugin-transform-arrow-functions, babel-plugin-transform-class-properties, babel-plugin-transform-destructuring, babel-plugin-transform-object-rest-spread, babel-plugin-transform-optional-chaining, babel-plugin-transform-parameters, babel-traverse
  • #​17221 Reduce generated names size for the 10th-11th (@​nicolo-ribaudo)

🏠 Internal

• babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
  • #​17263 Remove unused regenerator-runtime dep in @babel/runtime (@​nicolo-ribaudo)
• babel-compat-data, babel-preset-env
  • #​17256 Tune plugin compat data (@​JLHwung)
• babel-compat-data, babel-standalone
  • #​17236 migrate babel-compat-data build script to mjs (@​JLHwung)
• Other
  • #​17232 Bump typescript-eslint to 8.29.1 (@​JLHwung)
  • #​17219 test: add basic typescript-eslint integration tests (@​JLHwung)
  • #​17205 Inline regenerator in the relevant packages (@​nicolo-ribaudo)
• babel-register
  • #​16844 Migrate @babel/register to cts (@​liuxingbaoyu)
• babel-cli, babel-compat-data, babel-core, babel-generator, babel-helper-compilation-targets, babel-helper-fixtures, babel-helper-module-imports, babel-helper-module-transforms, babel-helper-plugin-test-runner, babel-helper-transform-fixture-test-runner, babel-helpers, babel-node, babel-parser, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-systemjs, babel-plugin-transform-modules-umd, babel-plugin-transform-react-display-name, babel-plugin-transform-regenerator, babel-plugin-transform-runtime, babel-plugin-transform-typeof-symbol, babel-plugin-transform-typescript, babel-preset-env, babel-register, babel-standalone, babel-types
  • #​17207 Enforce node protocol import (@​JLHwung)
• babel-plugin-transform-regenerator
  • #​17205 Inline regenerator in the relevant packages (@​nicolo-ribaudo)
  • #​17205 Inline regenerator in the relevant packages (@​nicolo-ribaudo)
• babel-helpers, babel-plugin-transform-async-generator-functions, babel-plugin-transform-regenerator, babel-preset-env, babel-runtime-corejs3
  • #​17205 Inline regenerator in the relevant packages (@​nicolo-ribaudo)
• babel-helpers, babel-plugin-transform-regenerator
  • #​17205 Inline regenerator in the relevant packages (@​nicolo-ribaudo)
  • #​17205 Inline regenerator in the relevant packages (@​nicolo-ribaudo)
• babel-helpers
  • #​17205 Inline regenerator in the relevant packages (@​nicolo-ribaudo)

🔬 Output optimization

• babel-helpers, babel-plugin-transform-modules-commonjs, babel-runtime-corejs3
  • #​16538 Reduce interopRequireWildcard size (@​liuxingbaoyu)
• babel-helpers, babel-plugin-transform-async-generator-functions, babel-plugin-transform-regenerator, babel-preset-env, babel-runtime-corejs3
  • #​17213 Reduce regeneratorRuntime size (@​liuxingbaoyu)

v7.26.10

Compare Source

👓 Spec Compliance

• babel-parser
  • #​17159 Disallow decorator in array pattern (@​JLHwung)

🐛 Bug Fix

• babel-parser, babel-template
  • #​17164 Fix: always initialize ExportDeclaration attributes (@​JLHwung)
• babel-core
  • #​17142 fix: "Map maximum size exceeded" in deepClone (@​liuxingbaoyu)
• babel-parser, babel-plugin-transform-typescript
  • #​17154 Update typescript parser tests (@​JLHwung)
• babel-traverse
  • #​17151 fix: Should not evaluate vars in child scope (@​liuxingbaoyu)
• babel-generator
  • #​17153 fix: Correctly generate abstract override (@​liuxingbaoyu)
• babel-parser
  • #​17107 Fix source type detection when parsing TypeScript (@​JLHwung)
• babel-helpers, babel-runtime, babel-runtime-corejs2, babel-runtime-corejs3
  • #​17173 Fix processing of replacement pattern with named capture groups (@​mmmsssttt404)

💅 Polish

• babel-standalone
  • #​17158 Avoid warnings when re-bundling @​babel/standalone with webpack (@​liuxingbaoyu)

🏠 Internal

• babel-parser
  • #​17160 Left-value parsing cleanup (@​JLHwung)

v7.26.9

Compare Source

🐛 Bug Fix

• babel-types
  • #​17103 fix: Definition for TSPropertySignature.kind (@​liuxingbaoyu)
• babel-generator, babel-types
  • #​17062 Print TypeScript optional/definite in ClassPrivateProperty (@​jamiebuilds-signal)

🏠 Internal

• babel-types
  • #​17130 Use .ts files with explicit reexports to solve name conflicts (@​nicolo-ribaudo)
• babel-core
  • #​17127 Do not depend on @types/gensync in Babel 7 (@​nicolo-ribaudo)

v7.26.8

Compare Source

v7.26.8 (2025-02-08)

🏠 Internal

• babel-preset-env
  • #​17097 Update dependency babel-plugin-polyfill-corejs3 to ^0.11.0

v7.26.7

Compare Source

🐛 Bug Fix

• babel-helpers, babel-preset-env, babel-runtime-corejs3
  • #​17086 Make "object without properties" helpers ES6-compatible (@​tquetano-netflix)
• babel-plugin-transform-typeof-symbol
  • #​17085 fix: Correctly handle typeof in arrow functions (@​liuxingbaoyu)
• babel-parser
  • #​17079 Respect ranges option in estree method value (@​JLHwung)
• babel-core
  • #​17052 Do not try to parse .ts configs as JSON if natively supported (@​nicolo-ribaudo)
• babel-plugin-transform-typescript
  • #​17050 fix: correctly resolve references to non-constant enum members (@​branchseer)
• babel-plugin-transform-typescript, babel-traverse, babel-types
  • #​17025 fix: Remove type-only import x = y.z (@​liuxingbaoyu)

emberjs/ember-test-waiters (@​ember/test-waiters)

v4.1.2

• @​ember/test-waiters 4.1.2 (patch)

🐛 Bug Fix

• @ember/test-waiters
  • #​521 Remove macros from dependencies as it's not needed (consumer must provide macros-handling plugin) (@​NullVoxPopuli)

🏠 Internal

• #​522 Update release-plan (@​NullVoxPopuli)

Committers: 1

• @​NullVoxPopuli

v4.1.1

@​ember/test-waiters 4.1.1 (patch)

🐛 Bug Fix

• @ember/test-waiters
  • #​519 fix: proxy more parts of fetch Response (@​Techn1x)

📝 Documentation

• #​516 Update README.md for waitForFetch (@​NullVoxPopuli)

Committers: 2

• Brad Overton (@​Techn1x)
• @​NullVoxPopuli

v4.1.0

@​ember/test-waiters 4.1.0 (minor)

🚀 Enhancement

• @ember/test-waiters, base-tests
  • #​513 Implement functionally for "deprecate fetch" RFC (@​NullVoxPopuli)

Committers: 1

• @​NullVoxPopuli

v4.0.0

@​ember/test-waiters 4.0.0 (major)

💥 Breaking Change

• @ember/test-waiters, base-tests, ember-fetch-v8
  • #​476 Convert to V2 Addon, drop support for ember-source < v4 (@​NullVoxPopuli)
  • #​463 move tests to base-tests app, drop support for 3.8, 3.12, 0.x embroider, and ember-classic (@​NullVoxPopuli)
• @ember/test-waiters
  • #​500 Drop support for ember-concurrency@​v2 (ember-concurrency is on @​v4 now anyway) (@​NullVoxPopuli)
  • #​477 Drop support legacy waiter system (@​NullVoxPopuli)
  • #​475 Drop support for the 'global' global. Every supported environment has globalThis (@​NullVoxPopuli)
  • #​454 Remove dual-package emit (@​NullVoxPopuli)
• Other
  • #​453 Require ember-auto-import@​v2 (@​NullVoxPopuli)
  • #​455 Upgrade CI / re-roll lockfile (@​NullVoxPopuli)

🚀 Enhancement

• @ember/test-waiters, base-tests, ember-fetch-v8
  • #​476 Convert to V2 Addon, drop support for ember-source < v4 (@​NullVoxPopuli)
• @ember/test-waiters, base-tests
  • #​508 Remove @​glimmer/env in favor of @​embroider/macros (@​NullVoxPopuli)
• @ember/test-waiters
  • #​474 Drop support for Typescript < 4.9 (@​NullVoxPopuli)
  • #​459 Improve waitFor() types (@​bendemboski)
• base-tests
  • #​466 Add support for 3.28, 4.12, 5.4 (@​NullVoxPopuli)

🐛 Bug Fix

• @ember/test-waiters
  • #​467 Update to ember-cli-babel v8 (@​bertdeblock)

🏠 Int

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🏎️ Benchmark Comparison

	Benchmark	Control (p50)	Experiment (p50)	Δ
🟢	gts small	1179.11 ms	973.46 ms	-17.4%
🟢	gts medium	2219.94 ms	1741.88 ms	-21.5%
🟢	gts large	1071.50 ms	843.01 ms	-21.3%
🟢	gjs small	999.75 ms	823.37 ms	-17.6%
🟢	gjs medium	1897.59 ms	1486.22 ms	-21.7%
🟢	gjs large	859.75 ms	685.87 ms	-20.2%
🟢	hbs small	171.99 ms	129.20 ms	-24.9%
🟢	hbs medium	987.64 ms	749.60 ms	-24.1%
🟢	hbs large	1013.80 ms	883.01 ms	-12.9%

🟢 faster · 🔴 slower · 🟠 slightly slower · ⚪ within 2%

Full mitata output

clk: ~3.10 GHz
cpu: AMD EPYC 7763 64-Core Processor
runtime: node 24.16.0 (x64-linux)

benchmark                   avg (min … max) p75 / p99    (min … top 1%)
------------------------------------------- -------------------------------
gts small (control)             1.23 s/iter    1.31 s     █  ██           █
                          (1.06 s … 1.47 s)    1.38 s ▅   █  ██   ▅  ▅    █
                    (143.43 mb … 156.95 mb) 150.38 mb █▁▁▁█▁▁██▁▁▁█▁▁█▁▁▁▁█

gts small (experiment)          1.02 s/iter    1.06 s   █                  
                       (886.18 ms … 1.29 s)    1.17 s ▅ █▅ ▅▅ ▅ ▅ ▅ ▅     ▅
                    ( 13.27 mb …  88.61 mb)  42.48 mb █▁██▁██▁█▁█▁█▁█▁▁▁▁▁█

                             ┌                                            ┐
                                            ╷      ┌─────────┬─────┐      ╷
         gts small (control)                ├──────┤         │     ├──────┤
                                            ╵      └─────────┴─────┘      ╵
                             ╷  ┌────────┬───┐         ╷
      gts small (experiment) ├──┤        │   ├─────────┤
                             ╵  └────────┴───┘         ╵
                             └                                            ┘
                             886.18 ms            1.13 s             1.38 s

summary
  gts small (experiment)
   1.21x faster than gts small (control)

------------------------------------------- -------------------------------
gts medium (control)            2.27 s/iter    2.29 s         ██           
                          (2.10 s … 2.64 s)    2.38 s ▅     ▅▅██ ▅  ▅    ▅▅
                    (297.86 mb … 351.01 mb) 316.03 mb █▁▁▁▁▁████▁█▁▁█▁▁▁▁██

gts medium (experiment)         1.78 s/iter    1.79 s    █                 
                          (1.66 s … 2.18 s)    1.84 s ▅  █▅▅   ▅▅▅   ▅  ▅ ▅
                    ( 79.56 mb …  98.64 mb)  84.08 mb █▁▁███▁▁▁███▁▁▁█▁▁█▁█

                             ┌                                            ┐
                                                        ╷     ┌────┬┐     ╷
        gts medium (control)                            ├─────┤    │├─────┤
                                                        ╵     └────┴┘     ╵
                             ╷ ┌────┬┐  ╷
     gts medium (experiment) ├─┤    │├──┤
                             ╵ └────┴┘  ╵
                             └                                            ┘
                             1.66 s              2.02 s              2.38 s

summary
  gts medium (experiment)
   1.28x faster than gts medium (control)

------------------------------------------- -------------------------------
gts large (control)             1.11 s/iter    1.13 s   █                  
                          (1.03 s … 1.37 s)    1.17 s ▅▅█▅  ▅     ▅ ▅▅   ▅▅
                    (127.00 mb … 186.27 mb) 145.84 mb ████▁▁█▁▁▁▁▁█▁██▁▁▁██

gts large (experiment)       895.46 ms/iter 884.52 ms  █ ██                
                       (823.24 ms … 1.30 s) 924.34 ms ▅█ ██     ▅ ▅      ▅▅
                    ( 14.38 mb …  85.48 mb)  43.04 mb ██▁██▁▁▁▁▁█▁█▁▁▁▁▁▁██

                             ┌                                            ┐
                                                        ╷ ┌────────┬─┐    ╷
         gts large (control)                            ├─┤        │ ├────┤
                                                        ╵ └────────┴─┘    ╵
                             ╷┌───────┬   ╷
      gts large (experiment) ├┤       │───┤
                             ╵└───────┴   ╵
                             └                                            ┘
                             823.24 ms           994.99 ms           1.17 s

summary
  gts large (experiment)
   1.24x faster than gts large (control)

------------------------------------------- -------------------------------
gjs small (control)             1.04 s/iter    1.09 s   █                  
                       (929.62 ms … 1.25 s)    1.17 s ▅▅█  ▅▅   ▅ ▅▅ ▅    ▅
                    (111.85 mb … 155.74 mb) 138.41 mb ███▁▁██▁▁▁█▁██▁█▁▁▁▁█

gjs small (experiment)       854.66 ms/iter 860.75 ms        █             
                       (774.48 ms … 1.15 s) 928.69 ms ▅ ▅▅▅▅▅█   ▅▅       ▅
                    ( 29.92 mb …  85.59 mb)  37.12 mb █▁██████▁▁▁██▁▁▁▁▁▁▁█

                             ┌                                            ┐
                                               ╷  ┌─────────┬────┐        ╷
         gjs small (control)                   ├──┤         │    ├────────┤
                                               ╵  └─────────┴────┘        ╵
                             ╷  ┌─────┬┐       ╷
      gjs small (experiment) ├──┤     │├───────┤
                             ╵  └─────┴┘       ╵
                             └                                            ┘
                             774.48 ms           969.90 ms           1.17 s

summary
  gjs small (experiment)
   1.22x faster than gjs small (control)

------------------------------------------- -------------------------------
gjs medium (control)            1.92 s/iter    1.94 s █          █    █   █
                          (1.81 s … 2.24 s)    1.97 s █   ▅   ▅  █  ▅ █   █
                    (271.04 mb … 282.01 mb) 274.10 mb █▁▁▁█▁▁▁█▁▁█▁▁█▁█▁▁▁█

gjs medium (experiment)         1.54 s/iter    1.56 s        █             
                          (1.42 s … 1.92 s)    1.60 s      █ █             
                    ( 18.60 mb …  90.39 mb)  71.04 mb █▁▁▁▁█▁██▁▁▁█▁▁█▁█▁▁█

                             ┌                                            ┐
                                                             ╷  ┌─────┬─┐ ╷
        gjs medium (control)                                 ├──┤     │ ├─┤
                                                             ╵  └─────┴─┘ ╵
                             ╷   ┌─────┬┐   ╷
     gjs medium (experiment) ├───┤     │├───┤
                             ╵   └─────┴┘   ╵
                             └                                            ┘
                             1.42 s              1.69 s              1.97 s

summary
  gjs medium (experiment)
   1.25x faster than gjs medium (control)

------------------------------------------- -------------------------------
gjs large (control)          906.88 ms/iter 933.80 ms █ ██████    ██     ██
                       (807.18 ms … 1.16 s) 995.96 ms █ ██████    ██     ██
                    (105.94 mb … 161.06 mb) 125.46 mb █▁██████▁▁▁▁██▁▁▁▁▁██

gjs large (experiment)       723.16 ms/iter 692.85 ms   █                  
                       (671.22 ms … 1.01 s) 798.59 ms  ▅█▅                 
                    (110.59 kb …  70.26 mb)  43.81 mb ▇███▁▁▁▇▁▁▁▁▁▁▁▁▁▁▁▁▇

                             ┌                                            ┐
                                                ╷  ┌──────────┬──┐        ╷
         gjs large (control)                    ├──┤          │  ├────────┤
                                                ╵  └──────────┴──┘        ╵
                             ╷┌─────┬          ╷
      gjs large (experiment) ├┤     │──────────┤
                             ╵└─────┴          ╵
                             └                                            ┘
                             671.22 ms         833.59 ms          995.96 ms

summary
  gjs large (experiment)
   1.25x faster than gjs large (control)

------------------------------------------- -------------------------------
hbs small (control)          182.03 ms/iter 191.64 ms                     █
                    (151.54 ms … 284.71 ms) 192.24 ms                     █
                    ( 26.07 mb …  67.08 mb)  30.74 mb ██▁██▁▁▁█▁█▁█▁▁▁▁█▁▁█

hbs small (experiment)       148.70 ms/iter 152.89 ms █  █ ████  █     ████
                    (111.89 ms … 300.13 ms) 156.38 ms █  █ ████  █     ████
                    ( 51.27 mb …  56.90 mb)  53.78 mb █▁▁█▁████▁▁█▁▁▁▁▁████

                             ┌                                            ┐
                                                   ╷   ┌────────────┬─────┐
         hbs small (control)                       ├───┤            │     │
                                                   ╵   └────────────┴─────┘
                             ╷     ┌──────────────┬─┐ ╷
      hbs small (experiment) ├─────┤              │ ├─┤
                             ╵     └──────────────┴─┘ ╵
                             └                                            ┘
                             111.89 ms         152.07 ms          192.24 ms

summary
  hbs small (experiment)
   1.22x faster than hbs small (control)

------------------------------------------- -------------------------------
hbs medium (control)            1.04 s/iter    1.06 s    █     █           
                       (959.95 ms … 1.26 s)    1.11 s ▅▅▅█▅    █   ▅    ▅ ▅
                    (169.09 mb … 221.45 mb) 195.52 mb █████▁▁▁▁█▁▁▁█▁▁▁▁█▁█

hbs medium (experiment)      779.54 ms/iter 767.78 ms  █                   
                    (735.67 ms … 980.08 ms) 826.69 ms  █     █             
                    (  8.94 mb …  82.21 mb)  32.65 mb ████▁█▁█▁▁▁▁▁▁▁█▁▁▁▁█

                             ┌                                            ┐
                                                        ╷┌───────┬──┐     ╷
        hbs medium (control)                            ├┤       │  ├─────┤
                                                        ╵└───────┴──┘     ╵
                             ┌────┬     ╷
     hbs medium (experiment) │    │─────┤
                             └────┴     ╵
                             └                                            ┘
                             735.67 ms           925.06 ms           1.11 s

summary
  hbs medium (experiment)
   1.33x faster than hbs medium (control)

------------------------------------------- -------------------------------
hbs large (control)             1.05 s/iter    1.08 s █ █                  
                       (984.48 ms … 1.27 s)    1.10 s █ █▅ ▅      ▅▅    ▅▅▅
                    (152.98 mb … 157.90 mb) 154.67 mb █▁██▁█▁▁▁▁▁▁██▁▁▁▁███

hbs large (experiment)       897.10 ms/iter 885.39 ms            █         
                       (868.58 ms … 1.07 s) 898.68 ms           ██         
                    ( 53.21 mb …  65.98 mb)  55.63 mb █▁▁██▁█▁█▁██▁▁▁▁▁▁▁▁█

                             ┌                                            ┐
                                                    ╷ ┌──────────┬─────┐  ╷
         hbs large (control)                        ├─┤          │     ├──┤
                                                    ╵ └──────────┴─────┘  ╵
                             ╷┌────╷
      hbs large (experiment) ├┤    ┤
                             ╵└────╵
                             └                                            ┘
                             868.58 ms           982.50 ms           1.10 s

summary
  hbs large (experiment)
   1.17x faster than hbs large (control)