Erlang/OTP 19.0 has been released

shijiang1130

1. Some highlights of the release are:
   
2. 
   
3. compiler, stdlib:
   
4. New preprocessor macros ?FUNCTION_NAME, ?FUNCTION_ARITY
   
5. New preprocessor directives -error(Term) and -warning(Term) to cause a compilation error or warning, respectively.
   
6. gen_statem a new state machine behavior
   
7. mnesia_ext: plugin of external storage solutions to mnesia
   
8. crypto: uses EVP interface in OpenSSL resulting in generally better performance and support for HW acceleration
   
9. ssh: performance improvements, uses the new gen_statem behavior
   
10. ssl: enhanced error log messages
    
11. dialyzer: the support for maps is very much extended both the type specification syntax and the type analysis.
    
12. erts:
    
13. erlang:open_port(spawn, ...) 3-5 times faster
    
14. tracing, extensive improvements (scalability, speed, match specifications on send/receive, support for lttng, ...)
    
15. dirty schedulers improved
    
16. per process configurable handling of message_queue
    
17. fast loading of multiple modules
    
18. max_heap_size process flag
    
19. erts/kernel:
    
20. Experimental support for Unix Domain Sockets
    
21. Example: gen_udp:open(0, [{ifaddr,{local,"/tmp/socket"}}])
    
22. and much more ....
    
23. You can find the Release Notes with more detailed info at
    
24. 
    
25.   [url]http://www.erlang.org/download/otp_src_19.0.readme[/url]
    
26. 
    
27. You find the source code at github.com in the official Erlang repository.

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