rails--rails/actionmailer/CHANGELOG.md

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  • MailerGenerator now generates layouts by default. HTML mailer layout will include <html> and <body> tags which will help to reduce spam score in some spam detection engines. Mailers will now inherit from ApplicationMailer which sets the default layout.

    Andy Jeffries

  • link_to and url_for generate URLs by default in templates, it is no longer needed to pass only_path: false.

    Fixes #16497 and #16589.

    Xavier Noria, Richard Schneeman

  • Attachments can be added while rendering the mail template.

    Fixes #16974.

    Christian Felder

  • Added #deliver_later, #deliver_now and deprecate #deliver in favour of #deliver_now. #deliver_later will enqueue a job to render and deliver the mail instead of delivering it right at that moment. The job is enqueued using the new Active Job framework in Rails, and will use whatever queue is configured for Rails.

    DHH, Abdelkader Boudih, Cristian Bica

  • Make ActionMailer::Previews methods class methods. Previously they were instance methods and ActionMailer tries to render a message when they are called.

    Cristian Bica

  • Deprecate *_path helpers in email views. When used they generate non-working links and are not the intention of most developers. Instead we recommend to use *_url helper.

    Richard Schneeman

  • Raise an exception when attachments are added after mail was called. This is a safeguard to prevent invalid emails.

    Fixes #16163.

    Yves Senn

  • Add config.action_mailer.show_previews configuration option.

    This config option can be used to enable the mail preview in environments other than development (such as staging).

    Defaults to true in development and false elsewhere.

    Leonard Garvey

  • Allow preview interceptors to be registered through config.action_mailer.preview_interceptors.

    See #15739.

    Yves Senn

Please check 4-1-stable for previous changes.