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fix sparse-in-dense deser for maps - #729

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lucix-aws merged 3 commits into
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fix-densesparse
Oct 9, 2026
Merged

lucix-aws merged 3 commits into
mainfrom
fix-densesparse

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@lucix-aws lucix-aws commented Oct 9, 2026 •

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originally we retained the key w/ zero value, in schema-serde (and in original legacy codegen cbor) we instead errored, but we are seeing a handful of impact in downstream sdk so we are reverting to old behavior for now

the null handling actually goes in the generated dispatcher for deserializing maps, so the only runtime fix needed was in the httpbinding deserializer

added kitchensink tests in the sdk for both schema-serde and legacy json/cbor to validate this

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lucix-aws requested review from a team as code owners October 9, 2026 19:51
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lucix-aws merged commit dee8257 into main Oct 9, 2026
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lucix-aws deleted the fix-densesparse branch October 9, 2026 20:21
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