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fern-support merged 1 commit into from
Mar 22, 2026
Merged

Update changelogs from fern repo #4490

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9 changes: 9 additions & 0 deletions fern/products/sdks/overview/rust/changelog/2026-03-22.mdx
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## 0.26.2
**`(chore):`** Include all optional fields as `Option<T>` parameters in convenience constructors.
Previously, `{variant}_with_{field}` constructors only accepted the promoted field and
defaulted all other optional fields to `None`. Now they accept all other optional fields
as `Option<T>` parameters, giving callers full control over all fields. For example,
`assistant_with_tool_calls` now accepts `(content: Option<Content>, ..., tool_calls: Vec<ToolCall>)`
instead of just `(tool_calls: Vec<ToolCall>)`.


## 0.26.1
**`(fix):`** Fix convenience constructors for union variants whose optional fields have nested
optional/nullable IR wrappers (e.g. `optional<nullable<string>>` from OpenAPI).
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