From 3dadb26ae72b0d339e77d31f492e4789f6163ada Mon Sep 17 00:00:00 2001
From: Trivikram Kamat <16024985+trivikr@users.noreply.github.com>
Date: Wed, 3 Dec 2025 21:41:09 +0000
Subject: [PATCH 1/2] chore(core): emit warning for Node.js 18.x end-of-support

---
 .../client/emitWarningIfUnsupportedVersion.spec.ts          | 4 ++--
 .../submodules/client/emitWarningIfUnsupportedVersion.ts    | 6 +++---
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/packages/core/src/submodules/client/emitWarningIfUnsupportedVersion.spec.ts b/packages/core/src/submodules/client/emitWarningIfUnsupportedVersion.spec.ts
index 6ba4f23c6a71..49766bbf8b74 100644
--- a/packages/core/src/submodules/client/emitWarningIfUnsupportedVersion.spec.ts
+++ b/packages/core/src/submodules/client/emitWarningIfUnsupportedVersion.spec.ts
@@ -39,12 +39,12 @@ describe("emitWarningIfUnsupportedVersion", () => {
       expect(process.emitWarning).toHaveBeenCalledTimes(1);
       expect(process.emitWarning).toHaveBeenCalledWith(
         `NodeDeprecationWarning: The AWS SDK for JavaScript (v3) will
-no longer support Node.js 16.x on January 6, 2025.
+no longer support Node.js ${unsupportedVersion} in January 2026.
 
 To continue receiving updates to AWS services, bug fixes, and security
 updates please upgrade to a supported Node.js LTS version.
 
-More information can be found at: https://a.co/74kJMmI`
+More information can be found at: https://a.co/c895JFp`
       );
 
       // Verify that the warning emits only once.
diff --git a/packages/core/src/submodules/client/emitWarningIfUnsupportedVersion.ts b/packages/core/src/submodules/client/emitWarningIfUnsupportedVersion.ts
index 0c0406d8f351..306e55e32fed 100644
--- a/packages/core/src/submodules/client/emitWarningIfUnsupportedVersion.ts
+++ b/packages/core/src/submodules/client/emitWarningIfUnsupportedVersion.ts
@@ -12,16 +12,16 @@ export const state = {
  * @param version - The Node.js version string.
  */
 export const emitWarningIfUnsupportedVersion = (version: string) => {
-  if (version && !state.warningEmitted && parseInt(version.substring(1, version.indexOf("."))) < 18) {
+  if (version && !state.warningEmitted && parseInt(version.substring(1, version.indexOf("."))) < 20) {
     state.warningEmitted = true;
     process.emitWarning(
       `NodeDeprecationWarning: The AWS SDK for JavaScript (v3) will
-no longer support Node.js 16.x on January 6, 2025.
+no longer support Node.js ${version} in January 2026.
 
 To continue receiving updates to AWS services, bug fixes, and security
 updates please upgrade to a supported Node.js LTS version.
 
-More information can be found at: https://a.co/74kJMmI`
+More information can be found at: https://a.co/c895JFp`
     );
   }
 };

From 39e0cf8cfe2b37980e1ea0e3f57fa62a6b7f849e Mon Sep 17 00:00:00 2001
From: Trivikram Kamat <16024985+trivikr@users.noreply.github.com>
Date: Wed, 3 Dec 2025 23:01:52 +0000
Subject: [PATCH 2/2] test(core): use 20.0.0 as supported version in
 emitWarningIfUnsupportedVersion

---
 .../submodules/client/emitWarningIfUnsupportedVersion.spec.ts   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/core/src/submodules/client/emitWarningIfUnsupportedVersion.spec.ts b/packages/core/src/submodules/client/emitWarningIfUnsupportedVersion.spec.ts
index 49766bbf8b74..e9b359661bb7 100644
--- a/packages/core/src/submodules/client/emitWarningIfUnsupportedVersion.spec.ts
+++ b/packages/core/src/submodules/client/emitWarningIfUnsupportedVersion.spec.ts
@@ -4,7 +4,7 @@ import { emitWarningIfUnsupportedVersion, state } from "./emitWarningIfUnsupport
 
 describe("emitWarningIfUnsupportedVersion", () => {
   const emitWarning = process.emitWarning;
-  const supportedVersion = "18.0.0";
+  const supportedVersion = "20.0.0";
 
   beforeEach(() => {});