f1980674b0
- Starting from 18.0 Erlang/OTP is released under the APL 2.0
- erts: The time functionality has been extended. This includes a new API
for time, as well as "time warp" modes which alters the behavior when
system time changes. You are strongly encouraged to use the new API
instead of the old API based on erlang:now/0. erlang:now/0 has been
deprecated since it is a scalability bottleneck.
- erts: Beside the API changes and time warp modes a lot of scalability
and performance improvements regarding time management has been made
- erts: The previously introduced "eager check I/O" feature is now enabled
by default.
- erts/compiler: enhanced support for maps. Big maps new uses a HAMT
(Hash Array Mapped Trie) representation internally which makes them more
efficient. There is now also support for variables as map keys.
- dialyzer: The -dialyzer() attribute can be used for suppressing warnings
in a module by specifying functions or warning options.
- ssl: Remove default support for SSL-3.0 and added padding check
for TLS-1.0 due to the Poodle vulnerability.
- ssl: Remove default support for RC4 cipher suites, as they are consider
too weak.
- stdlib: Allow maps for supervisor flags and child specs
- stdlib: New functions in ets:
- take/2. Works the same as ets:delete/2 but
also returns the deleted object(s).
- ets:update_counter/4 with a default object as
argument
Full changelog:
http://www.erlang.org/download/otp_src_18.0.readme
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