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@lwc/compiler

9.5.3 · 27 Oct 2026MIT350.4k / weekRepositoryHomepagenpmAtom feed

Upgrading @lwc/compiler from 2.45.2 to 2.50.0

9 releases in betweennotes for 4

Other targets from 2.45.2Latest9.5.3
1+
change to make
0
advisories fixed
3+
new
7+
fixes

Counted from 4 of 9 release notes. Advisories are counted from the advisory database, in full.

Before you upgrade

Tick each one off as you go
  • breaking2.45.3

Release by release

  1. 2.47.0 – 2.50.05 releases, no release note

  2. 2.46.0

    1 Jun 20232 new · 2 fixes
    • new

      compiler: Implement mechanism to gather internal metrics and logs

    • new

      engine-core: Optimize static elements with listeners

    • fixed

      engine-core: Fix lwc:external attribute handling

    • fixed

      rollup-plugin: Ensure dependencies are declared

  3. 2.45.5

    23 May 20231 fix
    • fixed

      engine-core: Execute scoped slot fragment in the slot owner's reactive observer

  4. 2.45.4

    23 May 20231 fix
    • fixed

      Add proxy-compat comment back to dist files

  5. 2.45.3

    19 May 20231 new · 3 fixes
    • new

      Pass LWC component name to wire adapters

    • fixed

      synthetic-shadow: Convert dev-only errors to logs

    • fixed

      wire-service: re-expose wire-service package

    • fixed

      CustomElementConstructor rendering elements out of order

1 internal line (docs, tests, tooling) left out.