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Mail v2.8.0 Release Notes

  • 💥 Breaking changes:

    • Message#without_attachments! now deletes nested attachments. (TylerRick)
    • Sendmail and exim delivery now raise DeliveryError when the command exits with a nonzero exitstatus. (benmmurphy, CoolElvis)
    • Sendmail and exim delivery :arguments option must be an array of string args. (benmmurphy)
    • 📜 Passing unparsed headers to Mail::Field.new is no longer supported. Use Mail::Field.parse. (jeremy)
    • Removed long-deprecated features: Message#register_for_delivery_notification, #has_transfer_encoding?, #add_transfer_encoding, #transfer_encoding, #message_content_type, #mime_parameters, #encode!, and Part#inline_content_id. (jeremy)

    Compatibility:

    • 🖐 Handle a wide variety of non-RFC Message-ID formats. (peterkovacs)
    • 🖨 Normalize Quoted-Printable line endings for text content. (jeremy)
    • 📜 Gracefully parse invalid dates in Date and Received headers. (okkez)
    • 🚚 Converting to multipart moves Content-* headers to the new part. (kirikak2)
    • Multipart Content-Type no longer includes a needless charset param. (kirikak2)
    • Replies prefix subject with "Re: " instead of "RE: " per 5322 3.6.5. (mashedcode)
    • Gracefully handle multiple, possibly-invalid headers for what should be singular fields. (rosa)

    🔋 Features:

    • Message#inspect_structure and PartsList#inspect_structure pretty-print the hierarchy of message parts. (TylerRick)
    • an_attachment_with_mime_type matcher added to match attachments by mime type

    Please check 2-7-stable for previous changes.