| B | ↗ | A | opcua.UASocketClient improved |
| A | ↛ | opcua.CachedRequest removed |
| ⇢ | B | opcua.client_security() added | |
| ⇢ | B | opcua.tcp_message_from_header_and_body() added | |
| ⇢ | A | opcua.tcp_message_from_socket() added | |
| B | ↘ | C | opcua.parse_args() got worse |
| B | ↛ | opcua.UASocketClient._receive_complete_msg() removed | |
| A | ↛ | opcua.UASocketClient._receive_header() removed | |
| A | ↛ | opcua.UASocketClient._receive_body() removed | |
| A | ↛ | opcua.CachedRequest.__init__() removed | |
| A | ↛ | opcua.CachedRequest.to_binary() removed | |
| A | ↛ | opcua.SecurityPolicy.symmetric_key_size() removed |