1. Bug fixes

Elixir

• [Kernel] Fix a bug where custom types were printed as built-in types
• [Kernel] Don't add compile-time dependency on defdelegate
• [Kernel] Add line numbers to warnings on deprecated imports
• [Kernel] Report the correct line number when raising inside a macro
• [Task] Include callers in translated Logger metadata for Task
• [Task] Fix Task PID and caller in Task Supervisor reports

ExUnit

• [ExUnit.Formatter] Avoid crashes when diffing guards when the pattern does not match
• [ExUnit.Formatter] Also blame exceptions that come from linked and trapped exits

IEx

• [IEx.Helpers] Do not crash when printing a type that cannot be code formatted

Mix

• [mix app.start] Fix reading .app file located in archives (.ez files)
• [mix local.hex] Provide more guidance when Hex can't be installed
• [mix release] Properly encode config in releases

Checksums

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• Docs.zip SHA1: 178f08724c63496878b6e427467f650f03cd978c
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