Security macOS xcode26.5 b2

#Security.framework https://github.com/dotnet/macios/pull/25167

diff -ruN /Applications/Xcode_26.5.0-beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/Security.framework/Headers/CipherSuite.h /Applications/Xcode_26.5.0-beta2.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/Security.framework/Headers/CipherSuite.h
--- /Applications/Xcode_26.5.0-beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/Security.framework/Headers/CipherSuite.h	2026-03-20 21:13:00
+++ /Applications/Xcode_26.5.0-beta2.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/Security.framework/Headers/CipherSuite.h	2026-04-06 00:13:47
@@ -274,6 +274,7 @@
     kSSLCiphersuiteGroupLegacy,
     kSSLCiphersuiteGroupATS,
     kSSLCiphersuiteGroupATSCompatibility,
+    kSSLCiphersuiteGroupATSFCP_v2_1,
 };
 
 #endif	/* !_SECURITY_CIPHERSUITE_H_ */
diff -ruN /Applications/Xcode_26.5.0-beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/Security.framework/Headers/SecProtocolTypes.h /Applications/Xcode_26.5.0-beta2.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/Security.framework/Headers/SecProtocolTypes.h
--- /Applications/Xcode_26.5.0-beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/Security.framework/Headers/SecProtocolTypes.h	2026-03-20 21:09:50
+++ /Applications/Xcode_26.5.0-beta2.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/Security.framework/Headers/SecProtocolTypes.h	2026-04-06 00:10:57
@@ -137,6 +137,7 @@
  * @constant tls_ciphersuite_group_legacy
  * @constant tls_ciphersuite_group_ats
  * @constant tls_ciphersuite_group_ats_compatibility
+ * @constant tls_ciphersuite_group_ats_fcp_v2_1
  */
 typedef CF_ENUM(uint16_t, tls_ciphersuite_group_t) {
     tls_ciphersuite_group_default,
@@ -144,6 +145,7 @@
     tls_ciphersuite_group_legacy,
     tls_ciphersuite_group_ats,
     tls_ciphersuite_group_ats_compatibility,
+    tls_ciphersuite_group_ats_fcp_v2_1,
 };
 
 /*!