• Parse headers from aggregated proxy requests/responses (#681)
• Guard against invalid middleware configuration with warning (#685)
• Do not use :insecure option by default in Patron (#691)
• Fixes an issue with HTTPClient not raising a Faraday::ConnectionFailed (#702)
• Fixes YAML serialization/deserialization for Faraday::Utils::Headers (#690)
• Fixes an issue with Options having a nil value (#694)
• Fixes an issue with Faraday.default_connection not using Faraday.default_connection_options (#698)
• Fixes an issue with Options.merge! and Faraday instrumentation middleware (#710)