Not getting stacktrace when getting 500 on dev

Questions / Help
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1

I am running server in dev mode with iex -S mix phx.server and

iex(1)> Mix.env
:dev

Application.get_env(:logger, :level)
:debug

When some request crashes, I am only getting something went wrong, no stacktrace, no line numbers etc. Something went wrong is called by App.ErrorView

how I can get back complete stacktrace instead. Any help or workaround or help in debugging is really appreciated.

2

This (When running a multi in Repo.transaction, I dont get error or ok back) could be related