WebAssembly / WebAssembly/component-model

Incorrect references to SemVer

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Description

We've been a little loose in some references to SemVer, especially as it relates to compatibility rules. The SemVer spec itself only defines compatibility for major version > 0 (i.e. >=1.0.0), but the WIT documentation for @since (e.g. here) implies a compatibility requirement between e.g. 0.1.0 and 0.1.1. This does match the popular "caret requirements" versioning strategy used by default in cargo, npm, and elsewhere. We should just be more explicit that this isn't "plain" SemVer.

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with design/mvp/WIT.md around line 1300 and compare its @since wording with the SemVer specification and the linked Cargo caret-requirements documentation. Review the other SemVer references mentioned in the issue, clarify where the project uses caret-style compatibility for pre-1.0 versions, and verify that the documentation no longer presents this as plain SemVer.

Written by the indexing model from the issue text.

Assessment

Tech stack
wasm
Domain
documentation
Issue type
Documentation
Difficulty
2/5
Estimated time
1-3 hours
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
55/100

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