The Elixir community has deprecated and removed the pg2 module in favor of pg, a more scalable alternative for managing groups of processes. This transition, which began in OTP 23 and finalized in OTP 24, impacts developers using Phoenix, as the framework has also migrated to pg. Additionally, Erlang distribution now supports TLS for enhanced security, though it requires explicit configuration, and the global module has been updated in OTP 25 to prevent overlapping partitions.
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