Elixir v1.15.0-rc.2 released

This seems to be a problem with your OTP installation, that the chunk is somehow missing. It should be there:

iex> ls "#{:code.root_dir()}/lib/erts-#{:erlang.system_info(:version)}/doc/chunks"
atomics.chunk             counters.chunk            erl_prim_loader.chunk     erlang.chunk
init.chunk                persistent_term.chunk     zlib.chunk