Erlang OTP 23.0-rc1 is available for testing
Sat Feb 29 02:18:16 CET 2020
ssh port forwarding is very cool! We need it for our customer support
On Thu, Feb 27, 2020 at 4:38 PM Kenneth Lundin <kenneth@REDACTED> wrote:
> OTP 23 Release Candidate 1
> This is the first of three planned release candidates before the OTP 23
> 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.
> Potential Incompatibilities
> - SSL:
> - Support for SSL 3.0 is completely removed.
> - 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.
> - ...
> - 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
> - 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:
> - h/1,2,3 -- Print the documentation for a Module:Function/Arity.
> - 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
> Pre built versions for Windows can be fetched here:
> Online documentation can be browsed here:
> The Erlang/OTP source can also be found at GitHub on the official Erlang
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