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The `zlib` module has been refactored and all its operations now yield appropriately, allowing them to be used freely in concurrent applications.
The default **Erlang** version in Fedora 30 is 21. Notable changes in this version include:
The compiler is about 10-20% faster.
The BEAM interpreter has been completely re-written.
See the upstream release notes for more information:
Non-smp VM removed.
New API for logging: `logger`.
link:http://www.erlang.org/news/127[Erlang/OTP 21.3 release notes]
link:http://www.erlang.org/news/125[Erlang/OTP 21.2 release notes]
link:http://www.erlang.org/news/124[Erlang/OTP 21.1 release notes]
link:http://www.erlang.org/news/123[Erlang/OTP 21.0 release notes]
Insecure cryptographic algorithms were disabled.
Erlang 21
Enhanced and improved IO handling.
All `CORBA` libraries were split off to an independent repository.