[erlang-questions] SSL 'verify_peer' client option changed between Erlang 19.3/20.1?

Roger Lipscombe roger@REDACTED
Fri Nov 3 11:47:09 CET 2017

I've got some test code where I connect an Erlang ssl client to an
Erlang ssl server on localhost. On Erlang 19.3, it was passing fine.
On Erlang 20.1, it started failing with

Investigation reveals that I'm connecting to "localhost", the server
cert has ".../CN=testserver", and I'm passing {verify, verify_peer} in
the client options.

My question is, basically: why didn't Erlang 19 fail?

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