Update changelogs from fern repo (#4319)

fern-support · web-flow · commit 3577f4e06678 · 2026-03-17T00:55:55.000-04:00
diff --git a/fern/products/sdks/overview/typescript/changelog/2026-03-17.mdx b/fern/products/sdks/overview/typescript/changelog/2026-03-17.mdx
@@ -0,0 +1,9 @@
+## 3.58.0
+**`(fix):`** Add explicit type annotation to `mockServerPool` export in generated test
+mock-server code to satisfy `--isolatedDeclarations`.
+
+
+**`(feat):`** Enable vitest typechecking in generated vitest config so that type errors
+in test and source files are caught when running `vitest`.
+
+
