diff --git a/docs/users-manual/getting-started/whats-new.md b/docs/users-manual/getting-started/whats-new.md
index 3f1881452..27e8a74dd 100644
--- a/docs/users-manual/getting-started/whats-new.md
+++ b/docs/users-manual/getting-started/whats-new.md
@@ -20,7 +20,7 @@ Here you can find all of the updates and release notes for published versions of
 
 ### 1.15.0
 
-Release date: December 3rd, 2025
+Release date: December 4th, 2025
 
 Features:
 
@@ -36,6 +36,11 @@ Bug Fixes:
 
 Documentation:
 
+- Docs covering SDK support for the following FIDO2 extensions have been added to the User's Manual:
+
+  - [third-party payment](xref:Fido2ThirdPartyPayment) ([#349](https://github.com/Yubico/Yubico.NET.SDK/pull/349))
+  - [hmac-secret-mc](xref:Fido2HmacSecret) ([#350](https://github.com/Yubico/Yubico.NET.SDK/pull/350))
+
 - Comprehensive docs covering SDK support for the [Persistent PinUvAuthToken (PPUAT)](xref:Fido2AuthTokens#persistent-pinuvauthtoken-ppuat) have been added to the User's Manual. ([#333](https://github.com/Yubico/Yubico.NET.SDK/pull/333))
 
 - NFC instructions have been added to the [FIDO2 reset](xref:Fido2Reset) docs. ([#341](https://github.com/Yubico/Yubico.NET.SDK/pull/341))