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## 2.82.1

**`(fix):`** Global headers typed as a `literal<"...">` with an `env` fallback no longer throw when
neither the constructor parameter nor the environment variable is set. The literal is
known at compile time, so it is now used as the header's default value.

**`(fix):`** The generated `X-Fern-SDK-Version` header value is now emitted as a globally qualified
reference, so it can no longer be shadowed by a constructor parameter or local that
PascalCases to `Version` (previously `error CS1061: 'string' does not contain a
definition for 'Current'`).