diff --git a/include/mbedtls/ssl.h b/include/mbedtls/ssl.h
index b6b9c8c..8f21a9a 100644
--- a/include/mbedtls/ssl.h
+++ b/include/mbedtls/ssl.h
@@ -126,14 +126,10 @@
  */
 
 /* These are the high an low bytes of ProtocolVersion as defined by:
- * - RFC 2246: ProtocolVersion version = { 3, 1 };     // TLS v1.0
- * - RFC 4346: ProtocolVersion version = { 3, 2 };     // TLS v1.1
  * - RFC 5246: ProtocolVersion version = { 3, 3 };     // TLS v1.2
  * - RFC 8446: see section 4.2.1
  */
 #define MBEDTLS_SSL_MAJOR_VERSION_3             3
-#define MBEDTLS_SSL_MINOR_VERSION_1             1   /*!< TLS v1.0 deprecated */
-#define MBEDTLS_SSL_MINOR_VERSION_2             2   /*!< TLS v1.1 deprecated */
 #define MBEDTLS_SSL_MINOR_VERSION_3             3   /*!< TLS v1.2 */
 #define MBEDTLS_SSL_MINOR_VERSION_4             4   /*!< TLS v1.3 (experimental) */
 
@@ -977,10 +973,8 @@
      * Pointers
      */
 
-    /** Allowed ciphersuites per version. To access list's elements, please use
-     *  \c mbedtls_ssl_get_protocol_version_ciphersuites
-     */
-    const int *MBEDTLS_PRIVATE(ciphersuite_list)[3];
+    /** Allowed ciphersuites for (D)TLS 1.2 (0-terminated)                  */
+    const int *MBEDTLS_PRIVATE(ciphersuite_list);
 
     /** Callback for printing debug output                                  */
     void (*MBEDTLS_PRIVATE(f_dbg))(void *, int, const char *, int, const char *);
@@ -2509,17 +2503,6 @@
 void mbedtls_ssl_conf_ciphersuites( mbedtls_ssl_config *conf,
                                    const int *ciphersuites );
 
-/**
- * \brief               Get ciphersuite for given protocol's minor version.
- *
- * \param conf          The SSL configuration.
- * \param prot_version  Protocol version. One of MBEDTLS_SSL_MINOR_VERSION_x macros.
- * \return              Ciphersuites pointer if successful.
- * \return              \c NULL if no ciphersuites where found.
- */
-const int *mbedtls_ssl_get_protocol_version_ciphersuites(
-    const mbedtls_ssl_config *conf, int prot_version );
-
 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
 #define MBEDTLS_SSL_UNEXPECTED_CID_IGNORE 0
 #define MBEDTLS_SSL_UNEXPECTED_CID_FAIL   1
@@ -2559,27 +2542,6 @@
                           int ignore_other_cids );
 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
 
-/**
- * \brief               Set the list of allowed ciphersuites and the
- *                      preference order for a specific version of the protocol.
- *                      (Only useful on the server side)
- *
- *                      The ciphersuites array is not copied, and must remain
- *                      valid for the lifetime of the ssl_config.
- *
- * \param conf          SSL configuration
- * \param ciphersuites  0-terminated list of allowed ciphersuites
- * \param major         Major version number (only MBEDTLS_SSL_MAJOR_VERSION_3
- *                      supported)
- * \param minor         Minor version number (only MBEDTLS_SSL_MINOR_VERSION_3
- *                      supported)
- *
- * \note                With DTLS, use MBEDTLS_SSL_MINOR_VERSION_3 for DTLS 1.2
- */
-void mbedtls_ssl_conf_ciphersuites_for_version( mbedtls_ssl_config *conf,
-                                       const int *ciphersuites,
-                                       int major, int minor );
-
 #if defined(MBEDTLS_X509_CRT_PARSE_C)
 /**
  * \brief          Set the X.509 security profile used for verification
@@ -3230,8 +3192,7 @@
  *
  * \param conf     SSL configuration
  * \param major    Major version number (only MBEDTLS_SSL_MAJOR_VERSION_3 supported)
- * \param minor    Minor version number (MBEDTLS_SSL_MINOR_VERSION_1 and MBEDTLS_SSL_MINOR_VERSION_2,
- *                 MBEDTLS_SSL_MINOR_VERSION_3 supported)
+ * \param minor    Minor version number (only MBEDTLS_SSL_MINOR_VERSION_3 supported)
  */
 void mbedtls_ssl_conf_max_version( mbedtls_ssl_config *conf, int major, int minor );
 
@@ -3246,9 +3207,7 @@
  *
  * \param conf     SSL configuration
  * \param major    Major version number (only MBEDTLS_SSL_MAJOR_VERSION_3 supported)
- * \param minor    Minor version number (MBEDTLS_SSL_MINOR_VERSION_1,
- *                 MBEDTLS_SSL_MINOR_VERSION_2,
- *                 MBEDTLS_SSL_MINOR_VERSION_3 supported)
+ * \param minor    Minor version number (only MBEDTLS_SSL_MINOR_VERSION_3 supported)
  */
 void mbedtls_ssl_conf_min_version( mbedtls_ssl_config *conf, int major, int minor );
 
@@ -3578,45 +3537,15 @@
  */
 int mbedtls_ssl_get_record_expansion( const mbedtls_ssl_context *ssl );
 
-#if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
-/**
- * \brief          Return the maximum fragment length (payload, in bytes) for
- *                 the output buffer. For the client, this is the configured
- *                 value. For the server, it is the minimum of two - the
- *                 configured value and the negotiated one.
- *
- * \sa             mbedtls_ssl_conf_max_frag_len()
- * \sa             mbedtls_ssl_get_max_record_payload()
- *
- * \param ssl      SSL context
- *
- * \return         Current maximum fragment length for the output buffer.
- */
-size_t mbedtls_ssl_get_output_max_frag_len( const mbedtls_ssl_context *ssl );
-
-/**
- * \brief          Return the maximum fragment length (payload, in bytes) for
- *                 the input buffer. This is the negotiated maximum fragment
- *                 length, or, if there is none, MBEDTLS_SSL_IN_CONTENT_LEN.
- *                 If it is not defined either, the value is 2^14. This function
- *                 works as its predecessor, \c mbedtls_ssl_get_max_frag_len().
- *
- * \sa             mbedtls_ssl_conf_max_frag_len()
- * \sa             mbedtls_ssl_get_max_record_payload()
- *
- * \param ssl      SSL context
- *
- * \return         Current maximum fragment length for the output buffer.
- */
-size_t mbedtls_ssl_get_input_max_frag_len( const mbedtls_ssl_context *ssl );
-#endif /* MBEDTLS_SSL_MAX_FRAGMENT_LENGTH */
-
 /**
  * \brief          Return the current maximum outgoing record payload in bytes.
- *                 This takes into account the config.h setting \c
- *                 MBEDTLS_SSL_OUT_CONTENT_LEN, the configured and negotiated
- *                 max fragment length extension if used, and for DTLS the
- *                 path MTU as configured and current record expansion.
+ *
+ * \note           The logic to determine the maximum outgoing record payload is
+ *                 version-specific. It takes into account various factors, such as
+ *                 the config.h setting \c MBEDTLS_SSL_OUT_CONTENT_LEN, extensions
+ *                 such as the max fragment length or record size limit extension if
+ *                 used, and for DTLS the path MTU as configured and current
+ *                 record expansion.
  *
  * \note           With DTLS, \c mbedtls_ssl_write() will return an error if
  *                 called with a larger length value.
@@ -3625,9 +3554,7 @@
  *                 to the caller to call \c mbedtls_ssl_write() again in
  *                 order to send the remaining bytes if any.
  *
- * \sa             mbedtls_ssl_set_mtu()
- * \sa             mbedtls_ssl_get_output_max_frag_len()
- * \sa             mbedtls_ssl_get_input_max_frag_len()
+ * \sa             mbedtls_ssl_get_max_out_record_payload()
  * \sa             mbedtls_ssl_get_record_expansion()
  *
  * \param ssl      SSL context
@@ -3637,6 +3564,26 @@
  */
 int mbedtls_ssl_get_max_out_record_payload( const mbedtls_ssl_context *ssl );
 
+/**
+ * \brief          Return the current maximum incoming record payload in bytes.
+ *
+ * \note           The logic to determine the maximum outgoing record payload is
+ *                 version-specific. It takes into account various factors, such as
+ *                 the config.h setting \c MBEDTLS_SSL_IN_CONTENT_LEN, extensions
+ *                 such as the max fragment length extension or record size limit
+ *                 extension if used, and the current record expansion.
+ *
+ * \sa             mbedtls_ssl_set_mtu()
+ * \sa             mbedtls_ssl_get_max_in_record_payload()
+ * \sa             mbedtls_ssl_get_record_expansion()
+ *
+ * \param ssl      SSL context
+ *
+ * \return         Current maximum payload for an outgoing record,
+ *                 or a negative error code.
+ */
+int mbedtls_ssl_get_max_in_record_payload( const mbedtls_ssl_context *ssl );
+
 #if defined(MBEDTLS_X509_CRT_PARSE_C)
 /**
  * \brief          Return the peer certificate from the current connection.
@@ -3935,7 +3882,7 @@
  *                 or negotiated with the peer), then:
  *                 - with TLS, less bytes than requested are written.
  *                 - with DTLS, MBEDTLS_ERR_SSL_BAD_INPUT_DATA is returned.
- *                 \c mbedtls_ssl_get_output_max_frag_len() may be used to
+ *                 \c mbedtls_ssl_get_max_out_record_payload() may be used to
  *                 query the active maximum fragment length.
  *
  * \note           Attempting to write 0 bytes will result in an empty TLS