v2.2.0-@glimmer/component

Release (2026-10-20)

• @glimmer/component 2.2.0 (minor)
• @glimmer/syntax 0.96.0 (minor)

🚀 Enhancement

• @glimmer/syntax
  • #21641 Cleanup: remove action keyword handling (@ef4)
  • #21560 Correct dependency declarations for @glimmer/syntax so that it can be published (@NullVoxPopuli)
  • #21321 Perf: avoid array spread in PathExpression.original getter (@johanrd)
  • #21320 [CLEANUP] Rename localAssert → assert, enable babel-plugin-debug-macros stripping (@johanrd)
  • #21318 Perf: Eliminate double normalization of params in callParts (@johanrd)
  • #21314 Perf: cache newline offsets in Source for O(log n) loc conversion (@johanrd)
  • #21232 Clean up scope bag, wire format, and debug render tree (@NullVoxPopuli)
  • #21069 Internalize @handlebars/parser (@NullVoxPopuli)
  • #20908 Internalize the glimmer-vm repo (@ef4)
• @glimmer/component
  • #21575 Manage destruction with symbol-properties, rather than weakmap (@NullVoxPopuli)
  • #21561 Update @glimmer/component's package.json to declare type=module (@NullVoxPopuli)
  • #21558 Prepare @glimmer/component for being published and remove @glimmer/env, using export conditions for dev and prod (@NullVoxPopuli)

🐛 Bug Fix

• @glimmer/syntax
  • #21635 [BUGFIX] parser crashes and mis-parsed HTML comments and closing tags (@ef4)
  • #21188 Get @glimmer/syntax publishable again and get some smoke tests going for prettier (@NullVoxPopuli)
• @glimmer/component, @glimmer/syntax
  • #21562 correct repository meta for @glimmer/component and @glimmer/syntax (@NullVoxPopuli)

📝 Documentation

• @glimmer/component
  • #21547 [DOC release] Display newly added keywords and organize template helpers into one module (@kategengler)
• @glimmer/component, @glimmer/syntax
  • #21468 Update some API docs to use template tag where appropriate (@kategengler)

🏠 Internal

• @glimmer/component, @glimmer/syntax
  • #21746 Revert "Prepare Release" (@NullVoxPopuli)
  • #21735 Prepare Release (@github-actions[bot])
  • #21350 Remove barrel file imports from internal code for better tree-shaking (@NullVoxPopuli)
• @glimmer/syntax
  • #21381 Update linting deps (@NullVoxPopuli)
  • #21320 [CLEANUP] Rename localAssert → assert, enable babel-plugin-debug-macros stripping (@johanrd)
  • #21317 Add tests for parser escape-sequence and error-case contract (@johanrd)
  • #21070 Upgrade embroider deps (inc rollup) from #21068 (@NullVoxPopuli)

Committers: 5

• Edward Faulkner (@ef4)
• GitHub Actions [Bot] (@github-actions)
• Johan Røed (@johanrd)
• Katie Gengler (@kategengler)
• @NullVoxPopuli