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The default Erlang version in Fedora 30 is 21. Notable changes in this version include:
The BEAM interpreter has been completely re-written.
The compiler is about 10-20% faster.
Enhanced and improved IO handling.
CORBAlibraries were split off to an independent repository.
Insecure cryptographic algorithms were disabled.
Non-smp VM removed.
New API for logging:
zlibmodule has been refactored and all its operations now yield appropriately, allowing them to be used freely in concurrent applications.
See the upstream release notes for more information:
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