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@wjhsf wjhsf commented Dec 10, 2025

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TypeScript does not follow semver; any version bump can introduce changes that cause code to fail type checking. As a library, we want to avoid unexpected errors due to our version of TypeScript not matching that of our users. As such, we only change our version during a major release.

Because we rarely do major releases, I opted to jump to TypeScript v6, even though it's only a preview release at the moment. It's just our local dev version, and I don't anticipate there being any major changes that would somehow break our users when we switch to the full release.

Does this pull request introduce a breaking change?

  • 😮‍💨 No, it does not introduce a breaking change.
  • 💔 Yes, it does introduce a breaking change.

Does this pull request introduce an observable change?

  • 🤞 No, it does not introduce an observable change.
  • 🔬 Yes, it does include an observable change.

GUS work item

@wjhsf wjhsf requested a review from a team as a code owner December 10, 2025 19:41
@wjhsf wjhsf merged commit 4bc3c19 into lwc-v9 Dec 12, 2025
41 checks passed
@wjhsf wjhsf deleted the wjh/ts-6 branch December 12, 2025 21:30
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2 participants