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@github-actions github-actions released this 15 Aug 10:59
v1.2.0
e53a7e8
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Added

  • Explicit Replace, ClearAndFill, and Append policies for existing-target collections.
  • Invocation-local reference preservation for shared and cyclic mutable object graphs.
  • Closed-world runtime dispatch through generated TryMapRuntime and MapRuntime methods.
  • Cached provider-neutral expression projections through the optional DomainMapper.Projections package.
  • Diagnostics DMPR105 through DMPR107 for unsupported tracking, projection, and registry declarations.
  • Incremental invalidation, concurrency, trimming, and native AOT validation fixtures.

Changed

  • Incremental generator inputs are fingerprinted per mapper and reachable source contract, keeping isolated changes from invalidating unrelated mapper outputs.
  • The 1.2 packages validate public API compatibility against the 1.1 release.

Fixed

  • Reference tracking now distinguishes target contracts when one source instance participates in heterogeneous target shapes.
  • Projection generation rejects failed mappings, custom delegates, and user-defined conversion calls while retaining pure lifted conversions.
  • Runtime registries reject open-world interface ambiguity and value-type derived dispatch, handle nullable annotations, and exclude mappings whose deferred helpers fail.
  • Incremental invalidation includes containing partial types and inherited mapper declarations that affect emitted source.

Full changelog: v1.1.0...v1.2.0

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