From 40454f5a27270be1088daabc0db2d00d28fb7961 Mon Sep 17 00:00:00 2001
From: patrickthornton <70873350+patrickthornton@users.noreply.github.com>
Date: Mon, 3 Nov 2025 18:09:11 +0000
Subject: [PATCH] update changelogs

---
 .../sdks/overview/typescript/changelog/2025-11-03.mdx         | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/fern/products/sdks/overview/typescript/changelog/2025-11-03.mdx b/fern/products/sdks/overview/typescript/changelog/2025-11-03.mdx
index 97ca2d081..62983d3f6 100644
--- 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.