Update changelogs from fern repo (#1675)

fern-support · kafkas · web-flow · commit 3bf0d21ce7ae · 2025-10-31T14:38:52.000-04:00
Co-authored-by: kafkas &lt;36949216+kafkas@users.noreply.github.com&gt;
diff --git a/fern/products/sdks/overview/swift/changelog/2025-10-31.mdx b/fern/products/sdks/overview/swift/changelog/2025-10-31.mdx
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+## 0.21.0
+**`(feat):`** Added generator config option `nullableAsOptional` (defaults to `false`) to decode nullable fields as `Optional` instead of `Nullable`.
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 +## 0.21.0
 +**`(feat):`** Added generator config option `nullableAsOptional` (defaults to `false`) to decode nullable fields as `Optional` instead of `Nullable`.
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++