Update changelogs from fern repo (#1718)

fern-support · patrickthornton · web-flow · commit acf765dd87ac · 2025-11-03T13:09:20.000-05:00
Co-authored-by: patrickthornton &lt;70873350+patrickthornton@users.noreply.github.com&gt;
diff --git a/fern/products/sdks/overview/typescript/changelog/2025-11-03.mdx b/fern/products/sdks/overview/typescript/changelog/2025-11-03.mdx
@@ -1,3 +1,7 @@
+## 3.19.1
+**`(fix):`** `mergeHeaders()` and `mergeOnlyDefinedHeaders()` are now case-insensitive.
+
+
 ## 3.19.0
 **`(feat):`** Add support for application/x-www-form-urlencoded request bodies.
 
