Packages

@lwc/compiler

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

Upgrading @lwc/compiler from 1.4.0 to 1.5.0

1 release in betweenevery note read

Other targets from 1.4.0Newest 1.x1.18.0Latest9.5.3
2
changes to make
0
advisories fixed
0
new
2
fixes

Before you upgrade

Tick each one off as you go
  • breaking1.5.0
  • deprecated1.5.0

Security

Release by release

  1. 1.5.0

    16 Apr 20202 fixes
    • fixed

      #1793 - synthetic-shadow: Fixed an issue where invoking Node.prototype.contains() on the same node was returning false.

    • fixed

      #1794 - engine: Fixed an issue where slotted content became invisible during a subsequent re-rendering of the slot receiver.

6 other lines we could not sort, mostly version bumps

  • #1459, #1823 - wire-service: Decouples the wire service from the LWC engine and implements the underlying reactive tracking for wired configuration and wired methods using the same reactivity system as LWC. See all the details in the wire reform decorator RFC.

    1.5.0

  • Current wire adapterIds defined as Symbol will be broken with this update. Upgrade path to LWC v1.5.0:

    1.5.0

  • #1819 - integration-karma: Disabled two test cases related to AOM property reflection due to browser bugs.

    1.5.0

  • #1786 - (synthetic-shadow): Reverts #1754

    1.5.0

  • #1796, #1825 : Routine dependency updates.

    1.5.0

  • #1828 - engine: When a component class has been marked to have a circular reference, use the constructor after resolving the circular reference.

    1.5.0

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