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v1.683.0

// January 8, 2026

feat(typescript): support preserving model/error property name cases; fix(typescript): no longer infer union discriminator if marked as open; fix(terraform): additionalProperties type hardening (#1788)

Generator changes (6)

New features

pythonv2

prefer literal types vs open enum fallback

Bug fixes

terraform

Prevent compilation error with underlying Go SDK

New features

typescriptv2

add preserveModelFieldNames config to preserve original model property casing

New features

typescriptv2

improve react-query server prefetching and infinite query key

Bug fixes

typescriptv2

no longer infer union discriminator if marked as open

Bug fixes

typescriptv2

handle optional data field in SSE events