UBF question

[hamishberridge@REDACTED]

I haven't used Erlang, so I suppose my question is very naive. I read that UBF[1] is not maintained. So I am wondering what's used by Erlang as serialization format? Is there a new one that replaces UBF? Or UBF is still used as it, it's just not much change as it's stable? 

If there are UBF alternative options, what options are available? 

Many thanks

[1]. https://github.com/ubf/ubf
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