OTP 24 Release Candidate 2 has been released

[Dominic Morneau]

Hello!

   -

   A compatibility adaptor for gen_tcp to use the new socket API has been
   implemented (gen_tcp_socket).

What is the difference between this and the gen_tcp socket backend released
in OTP 23?

Dominic

2021年3月26日(金) 19:58 Henrik Nord X <henrik.x.nord@REDACTED>:

> OTP 24 Release Candidate 2
>
> This is the second of three planned release candidates before the OTP 24
> release.
> The intention with this release is to get feedback from our users. All
> feedback is welcome, even if it is only to say that it works for you.
>
> We encourage users to try it out and give us feedback either by creating
> an issue here https://github.com/erlang/otp/issues
> or by posting to the mailing list erlang-questions@REDACTED
>
> Erlang/OTP 24 is a new major release with new features, improvements as
> well as a few incompatibilities. Some of the new
> features are highlighted below.
> Highlights rc2 compiler
>
>    - The compiler will now inline funs that are used only once
>    immediately after their definition.
>
> erts, kernel, stdlib
>
>    - hex encoding and decoding functions added in the binary module
>
> There is as usual a number of bug fixes and improvements detailed in the
> readme. Highlights rc1 erts, kernel, stdlib
>
>    -
>
>    The BeamAsm JIT-compiler has been added to Erlang/OTP and will give a
>    significant performance boost for many applications.
>    The JIT-compiler is enabled by default on most x86 64-bit platforms
>    that have a C++ compiler that can compile C++17.
>    To verify that a JIT enabled emulator is running you can use
>    erlang:system_info(emu_flavor).
>    -
>
>    A compatibility adaptor for gen_tcp to use the new socket API has been
>    implemented (gen_tcp_socket).
>    -
>
>    Extended error information for failing BIF calls as proposed in EEP 54
>    has been implemented.
>    -
>
>    Process aliases as outlined by EEP 53 has been introduced.
>
> compiler
>
>    - Compiler warnings and errors now include column numbers in addition
>    to line numbers.
>    - Variables bound between the keywords 'try' and 'of' can now be used
>    in the clauses following the 'of' keyword
>    (that is, in the success case when no exception was raised).
>
> ftp
>
>    - Add support for FTPES (explicit FTP over TLS).
>
> ssl
>
>    - Support for the "early data" feature for TLS 1.3 servers and clients.
>    - Make TLS handshakes in Erlang distribution concurrent.
>
> wx
>
>    - The application has been completely rewritten in order
>    to use wxWidgets version 3 as its base.
>    - Added support for wxWebView.
>
> edoc
>
>    - EDoc is now capable of emitting EEP-48 doc chunks. This means that,
>    with some configuration, community projects
>    can now provide documentation for shell_docs the same way that OTP
>    libraries did since OTP 23.0.
>
> For more details about new features and potential incompatibilities see
> https://erlang.org/download/OTP-24.0-rc2.README
>
> Pre built versions for Windows can be fetched here:
> http://erlang.org/download/otp_win32_24.0-rc2.exe
> http://erlang.org/download/otp_win64_24.0-rc2.exe
>
> Online documentation can be browsed here:
> http://erlang.org/documentation/doc-12.0-rc2/doc/
>
> The Erlang/OTP source can also be found at GitHub on the official Erlang
> repository,
> https://github.com/erlang/otp
>
>
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