OTP 23 Release Candidate 3 had been released

Loïc Hoguin essen@REDACTED
Wed Apr 22 16:25:53 CEST 2020


Everything is green here (Linux, FreeBSD, macOS).

I'm afraid I didn't try on Windows, I will try next time.

Cheers,

On 22/04/2020 12:19, Henrik Nord X wrote:
> 
>     OTP 23 Release Candidate 3
> 
> This is the third and last of three planned release candidates before 
> the OTP 23 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.
> 
> Erlang/OTP 23 is a new major release with new features, improvements as 
> well as a few incompatibilities.
> 
> 
>       Highlights (rc3)
> 
> Apart from the changes below, this third pre-release contains only minor 
> fixes.
> 
> 
>       Potential Incompatibilities
> 
>   * SSL:
>       o Support for SSL 3.0 is completely removed.
>       o TLS 1.3 is added to the list of default supported versions.
>   * |erl_interface|: Removed the deprecated parts of |erl_interface|
>     (|erl_interface.h| and essentially all C functions with prefix |erl_|).
>   * The deprecated |erlang:get_stacktrace/0| BIF now returns an empty
>     list instead of a stacktrace.
>     |erlang:get_stacktrace/0| is scheduled for removal in OTP 24.
>   * ...
> 
> 
>       Highlights (rc2)
> 
>   * *ssh*:
>       o OpenSSH 6.5 introduced a new file representation of
>         keys called |openssh-key-v1|. This is now supported with the
>         exception of
>         handling encrypted keys.
>       o Algorithm configuration could now be done in a .config file.
>         This is useful for example to enable an algorithm that
>         is disabled by default without need to change the code.
>   * *ssl*:
>       o Support for the middlebox compatibility mode makes the TLS 1.3
>         handshake
>         look more like a TLS 1.2 handshake and increases the chance of
>         successfully
>         establishing TLS 1.3 connections through legacy middleboxes.
>       o Add support for key exchange with Edward curves and PSS-RSA
>         padding in
>         signature verification
>   * The possibility to run Erlang distribution without
>     relying on EPMD has been extended. To achieve this a
>     couple of new options to the inet distribution has been
>     added.
>       o |-dist_listen false| Setup the distribution
>         channel, but do not listen for incoming connection.
>       o |-erl_epmd_port Port| Configure a default port that
>         the built-in EPMD client should return.
>       o ...
>   * A first EXPERIMENTAL |socket| backend to
>     |gen_tcp| and |inet| has been implemented. |gen_udp| and |gen_sctp|
>     will follow.
>     Putting |{inet_backend, socket}| as first option to |listen()| or
>     |connect()| makes it easy to try this for
>     existing code
> 
> 
>       Highlights (rc1)
> 
>   * A new module |erpc| in kernel which implements an enhanced subset of
>     the operations provided by the |rpc| module. Enhanced in the sense
>     that it makes it possible to distinguish between returned value,
>     raised exceptions and other errors. |erpc| also has better
>     performance and scalability than the original |rpc| implementation.
>     This by utilizing the newly introduced |spawn_request()| BIF. Also
>     the |rpc| module benefits from these improvements by utilizing
>     |erpc| when possible.
>   * Scalability and performance Improvements plus new functionality
>     regarding distributed spawn operations.
>   * In binary matching, the size of the segment to be matched is now
>     allowed to be a guard expression (EEP-52)
>   * When matching with maps the keys can now be guard expressions (EEP-52).
>   * ssh: support for TCP/IP port forwarding, a.k.a tunneling a.k.a as
>     tcp-forward/direct-tcp is implemented. In the OpenSSH client, this
>     corresponds to the options -L and -R.
>   * Allow underscores in numeric literals to improve readability.
>     Examples: |123_456_789|, |16#1234_ABCD|.
>   * New functions in the shell for displaying documentation for Erlang
>     modules, functions and types. The
>     functions are:
>       o |h/1,2,3| -- Print the documentation for a |Module:Function/Arity|.
>       o |ht/1,2,3| -- Print the type documentation for a
>         |Module:Type/Arity|.
>         The embedded documentation is created as docchunks (EEP 48) when
>         building the Erlang/OTP documentation.
>   * kernel: The module |pg| with a new implementation of distributed
>     named process groups is introduced. The old module |pg2| is
>     deprecated and scheduled for removal in OTP 24.
>   * Our tool chain for building the Windows packages is upgraded with
>     new C++ compiler, Java compiler, OpenSSL libraries and wxWidgets
>     versions. We are now using WSL (the Linux Subsystem for Windows when
>     building) which makes it easier to handle the build environment.
>   * ...
> 
> For more details see
> http://erlang.org/download/otp_src_23.0-rc3.readme
> 
> Pre built versions for Windows can be fetched here:
> http://erlang.org/download/otp_win32_23.0-rc3.exe
> http://erlang.org/download/otp_win64_23.0-rc3.exe
> 
> Online documentation can be browsed here:
> http://erlang.org/documentation/doc-11.0-rc3/doc
> The Erlang/OTP source can also be found at GitHub on the official Erlang 
> repository,
> https://github.com/erlang/otp
> 
> 

-- 
Loïc Hoguin
https://ninenines.eu


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