Improve registry data extraction for older versions of composer packages#706
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qtomlinson merged 4 commits intoclearlydefined:masterfrom Feb 13, 2026
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Composer v2 metadata (p2 API) is compressed—only the latest version has full metadata, while older versions are diffs. This PR attempts to combine the registry data from latest till target version so that the full manifest can be reconstructed.
This is a follow up for #662, to address comment #662 (review). This also addresses integration test failures in definition and notice comparison for composer/packagist/symfony/polyfill-mbstring/v1.28.0. See comment.
The test fixture, registryData.json, is re-formatted to improve readability.