diff --git a/include/mbedtls/check_config.h b/include/mbedtls/check_config.h
index ded871f..085fb6b 100644
--- a/include/mbedtls/check_config.h
+++ b/include/mbedtls/check_config.h
@@ -598,11 +598,11 @@
 #error "MBEDTLS_SSL_PROTO_TLS1_2 defined, but not all prerequisites"
 #endif
 
-#if defined(MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL) && \
+#if defined(MBEDTLS_SSL_PROTO_TLS1_3) && \
     ( ( !defined(MBEDTLS_HKDF_C) && !defined(MBEDTLS_SHA256_C) && \
         !defined(MBEDTLS_SHA512_C) ) \
       || ( !defined(MBEDTLS_PSA_CRYPTO_C) ) )
-#error "MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL defined, but not all prerequisites"
+#error "MBEDTLS_SSL_PROTO_TLS1_3 defined, but not all prerequisites"
 #endif
 
 #if defined(MBEDTLS_SSL_PROTO_TLS1_2) &&                                    \
diff --git a/include/mbedtls/mbedtls_config.h b/include/mbedtls/mbedtls_config.h
index d8467a4..0558ee0 100644
--- a/include/mbedtls/mbedtls_config.h
+++ b/include/mbedtls/mbedtls_config.h
@@ -1487,23 +1487,19 @@
 #define MBEDTLS_SSL_PROTO_TLS1_2
 
 /**
- * \def MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL
+ * \def MBEDTLS_SSL_PROTO_TLS1_3
  *
- * This macro is used to selectively enable experimental parts
- * of the code that contribute to the ongoing development of
- * the prototype TLS 1.3 and DTLS 1.3 implementation, and provide
- * no other purpose.
+ * Enable support for TLS 1.3.
  *
- * \warning TLS 1.3 and DTLS 1.3 aren't yet supported in Mbed TLS,
- *          and no feature exposed through this macro is part of the
- *          public API. In particular, features under the control
- *          of this macro are experimental and don't come with any
- *          stability guarantees.
+ * \note The support for TLS 1.3 is not comprehensive yet, in particular
+ *       pre-shared keys are not supported.
+ *       See docs/architecture/tls13-support.md for a description of the TLS
+ *       1.3 support that this option enables.
  *
- * Uncomment this macro to enable experimental and partial
- * functionality specific to TLS 1.3.
+ * Uncomment this macro to enable the support for TLS 1.3.
+ *
  */
-//#define MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL
+//#define MBEDTLS_SSL_PROTO_TLS1_3
 
 /**
  * \def MBEDTLS_SSL_TLS1_3_COMPATIBILITY_MODE
@@ -1521,8 +1517,8 @@
  * recommended to set this option.
  *
  * Comment to disable compatibility mode for TLS 1.3. If
- * MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL is not enabled, this option does not
- * have any effect on the build.
+ * MBEDTLS_SSL_PROTO_TLS1_3 is not enabled, this option does not have any
+ * effect on the build.
  *
  */
 //#define MBEDTLS_SSL_TLS1_3_COMPATIBILITY_MODE
diff --git a/include/mbedtls/ssl.h b/include/mbedtls/ssl.h
index 9dd9c4a..072ebbe 100644
--- a/include/mbedtls/ssl.h
+++ b/include/mbedtls/ssl.h
@@ -250,7 +250,7 @@
  */
 #define MBEDTLS_SSL_MAJOR_VERSION_3             3
 #define MBEDTLS_SSL_MINOR_VERSION_3             3   /*!< TLS v1.2 */
-#define MBEDTLS_SSL_MINOR_VERSION_4             4   /*!< TLS v1.3 (experimental) */
+#define MBEDTLS_SSL_MINOR_VERSION_4             4   /*!< TLS v1.3 */
 
 #define MBEDTLS_SSL_TRANSPORT_STREAM            0   /*!< TLS      */
 #define MBEDTLS_SSL_TRANSPORT_DATAGRAM          1   /*!< DTLS     */
@@ -638,13 +638,13 @@
     MBEDTLS_SSL_HANDSHAKE_OVER,
     MBEDTLS_SSL_SERVER_NEW_SESSION_TICKET,
     MBEDTLS_SSL_SERVER_HELLO_VERIFY_REQUEST_SENT,
-#if defined(MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL)
+#if defined(MBEDTLS_SSL_PROTO_TLS1_3)
     MBEDTLS_SSL_ENCRYPTED_EXTENSIONS,
     MBEDTLS_SSL_CLIENT_CERTIFICATE_VERIFY,
 #if defined(MBEDTLS_SSL_TLS1_3_COMPATIBILITY_MODE)
     MBEDTLS_SSL_CLIENT_CCS_AFTER_SERVER_FINISHED,
 #endif /* MBEDTLS_SSL_TLS1_3_COMPATIBILITY_MODE */
-#endif /* MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL */
+#endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
 }
 mbedtls_ssl_states;
 
@@ -1154,7 +1154,7 @@
     int MBEDTLS_PRIVATE(encrypt_then_mac);       /*!< flag for EtM activation                */
 #endif
 
-#if defined(MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL)
+#if defined(MBEDTLS_SSL_PROTO_TLS1_3)
     mbedtls_ssl_tls13_application_secrets MBEDTLS_PRIVATE(app_secrets);
 #endif
 };
@@ -1175,14 +1175,14 @@
 typedef enum
 {
     MBEDTLS_SSL_KEY_EXPORT_TLS12_MASTER_SECRET = 0,
-#if defined(MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL)
+#if defined(MBEDTLS_SSL_PROTO_TLS1_3)
     MBEDTLS_SSL_KEY_EXPORT_TLS1_3_CLIENT_EARLY_SECRET,
     MBEDTLS_SSL_KEY_EXPORT_TLS1_3_EARLY_EXPORTER_SECRET,
     MBEDTLS_SSL_KEY_EXPORT_TLS1_3_CLIENT_HANDSHAKE_TRAFFIC_SECRET,
     MBEDTLS_SSL_KEY_EXPORT_TLS1_3_SERVER_HANDSHAKE_TRAFFIC_SECRET,
     MBEDTLS_SSL_KEY_EXPORT_TLS1_3_CLIENT_APPLICATION_TRAFFIC_SECRET,
     MBEDTLS_SSL_KEY_EXPORT_TLS1_3_SERVER_APPLICATION_TRAFFIC_SECRET,
-#endif /* MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL */
+#endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
 } mbedtls_ssl_key_export_type;
 
 /**
@@ -1277,10 +1277,10 @@
     /** Allowed ciphersuites for (D)TLS 1.2 (0-terminated)                  */
     const int *MBEDTLS_PRIVATE(ciphersuite_list);
 
-#if defined(MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL)
+#if defined(MBEDTLS_SSL_PROTO_TLS1_3)
     /** Allowed TLS 1.3 key exchange modes.                                 */
     int MBEDTLS_PRIVATE(tls13_kex_modes);
-#endif /* MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL */
+#endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
 
     /** Callback for printing debug output                                  */
     void (*MBEDTLS_PRIVATE(f_dbg))(void *, int, const char *, int, const char *);
@@ -1361,9 +1361,9 @@
 #if defined(MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED)
     const int *MBEDTLS_PRIVATE(sig_hashes);          /*!< allowed signature hashes           */
 
-#if defined(MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL)
+#if defined(MBEDTLS_SSL_PROTO_TLS1_3)
     const uint16_t *MBEDTLS_PRIVATE(tls13_sig_algs); /*!< allowed signature algorithms for TLS 1.3 */
-#endif /* MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL */
+#endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
 #endif
 
 #if defined(MBEDTLS_ECP_C) && !defined(MBEDTLS_DEPRECATED_REMOVED)
@@ -1511,11 +1511,11 @@
                                                                   *    This pointer owns the transform
                                                                   *    it references.                  */
 
-#if defined(MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL)
+#if defined(MBEDTLS_SSL_PROTO_TLS1_3)
     /*! The application data transform in TLS 1.3.
      *  This pointer owns the transform it references. */
     mbedtls_ssl_transform *MBEDTLS_PRIVATE(transform_application);
-#endif /* MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL */
+#endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
 
     /*
      * Timers
@@ -2753,7 +2753,7 @@
 void mbedtls_ssl_conf_ciphersuites( mbedtls_ssl_config *conf,
                                     const int *ciphersuites );
 
-#if defined(MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL)
+#if defined(MBEDTLS_SSL_PROTO_TLS1_3)
 /**
  * \brief Set the supported key exchange modes for TLS 1.3 connections.
  *
@@ -2798,7 +2798,7 @@
 
 void mbedtls_ssl_conf_tls13_key_exchange_modes( mbedtls_ssl_config* conf,
                                                 const int kex_modes );
-#endif /* MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL */
+#endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
 
 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
 #define MBEDTLS_SSL_UNEXPECTED_CID_IGNORE 0
@@ -3299,7 +3299,7 @@
 void mbedtls_ssl_conf_sig_hashes( mbedtls_ssl_config *conf,
                                   const int *hashes );
 
-#if defined(MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL)
+#if defined(MBEDTLS_SSL_PROTO_TLS1_3)
 /**
  * \brief          Configure allowed signature algorithms for use in TLS 1.3
  *
@@ -3311,7 +3311,7 @@
  */
 void mbedtls_ssl_conf_sig_algs( mbedtls_ssl_config *conf,
                                 const uint16_t* sig_algs );
-#endif /* MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL */
+#endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
 #endif /* MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED */
 
 #if defined(MBEDTLS_X509_CRT_PARSE_C)