The SwiftMailer major version change is due to a license change from LGPL to MIT. The feature set remained the same.
Merge branch 'hotfix/3.2.13' into hotfix/3.3.4
Conflicts: system/config/constants.php system/docs/CHANGELOG.md system/modules/core/dca/tl_page.php system/modules/core/languages/fa/tl_layout.xlf system/modules/core/languages/fi/default.xlf system/modules/core/languages/fi/modules.xlf system/modules/core/languages/fi/tl_article.xlf system/modules/core/languages/fi/tl_content.xlf system/modules/core/languages/fi/tl_files.xlf system/modules/core/languages/fi/tl_form_field.xlf system/modules/core/languages/fi/tl_install.xlf system/modules/core/languages/fi/tl_layout.xlf system/modules/core/languages/fi/tl_member.xlf system/modules/core/languages/fi/tl_module.xlf system/modules/core/languages/fi/tl_style_sheet.xlf system/modules/core/languages/fi/tl_templates.xlf system/modules/core/languages/sk/tl_layout.xlf system/modules/core/pages/PageRegular.php system/modules/core/vendor/swiftmailer/README system/modules/core/vendor/swiftmailer/VERSION system/modules/core/vendor/swiftmailer/classes/Swift.php system/modules/core/vendor/swiftmailer/classes/Swift/ByteStream/AbstractFilterableInputStream.php system/modules/core/vendor/swiftmailer/classes/Swift/ByteStream/ArrayByteStream.php system/modules/core/vendor/swiftmailer/classes/Swift/ByteStream/FileByteStream.php system/modules/core/vendor/swiftmailer/classes/Swift/CharacterReader.php system/modules/core/vendor/swiftmailer/classes/Swift/CharacterReader/GenericFixedWidthReader.php system/modules/core/vendor/swiftmailer/classes/Swift/CharacterReader/UsAsciiReader.php system/modules/core/vendor/swiftmailer/classes/Swift/CharacterReader/Utf8Reader.php system/modules/core/vendor/swiftmailer/classes/Swift/CharacterReaderFactory/SimpleCharacterReaderFactory.php system/modules/core/vendor/swiftmailer/classes/Swift/CharacterStream.php system/modules/core/vendor/swiftmailer/classes/Swift/CharacterStream/ArrayCharacterStream.php system/modules/core/vendor/swiftmailer/classes/Swift/CharacterStream/NgCharacterStream.php system/modules/core/vendor/swiftmailer/classes/Swift/ConfigurableSpool.php system/modules/core/vendor/swiftmailer/classes/Swift/DependencyContainer.php system/modules/core/vendor/swiftmailer/classes/Swift/Encoder.php system/modules/core/vendor/swiftmailer/classes/Swift/Encoder/Base64Encoder.php system/modules/core/vendor/swiftmailer/classes/Swift/Encoder/QpEncoder.php system/modules/core/vendor/swiftmailer/classes/Swift/Encoder/Rfc2231Encoder.php system/modules/core/vendor/swiftmailer/classes/Swift/Events/Event.php system/modules/core/vendor/swiftmailer/classes/Swift/Events/EventDispatcher.php system/modules/core/vendor/swiftmailer/classes/Swift/Events/EventObject.php system/modules/core/vendor/swiftmailer/classes/Swift/Events/ResponseEvent.php system/modules/core/vendor/swiftmailer/classes/Swift/Events/SendEvent.php system/modules/core/vendor/swiftmailer/classes/Swift/Events/SimpleEventDispatcher.php system/modules/core/vendor/swiftmailer/classes/Swift/FileSpool.php system/modules/core/vendor/swiftmailer/classes/Swift/InputByteStream.php system/modules/core/vendor/swiftmailer/classes/Swift/KeyCache.php system/modules/core/vendor/swiftmailer/classes/Swift/KeyCache/ArrayKeyCache.php system/modules/core/vendor/swiftmailer/classes/Swift/KeyCache/DiskKeyCache.php system/modules/core/vendor/swiftmailer/classes/Swift/KeyCache/NullKeyCache.php system/modules/core/vendor/swiftmailer/classes/Swift/Mailer.php system/modules/core/vendor/swiftmailer/classes/Swift/Mailer/ArrayRecipientIterator.php system/modules/core/vendor/swiftmailer/classes/Swift/Mailer/RecipientIterator.php system/modules/core/vendor/swiftmailer/classes/Swift/MemorySpool.php system/modules/core/vendor/swiftmailer/classes/Swift/Message.php system/modules/core/vendor/swiftmailer/classes/Swift/Mime/Attachment.php system/modules/core/vendor/swiftmailer/classes/Swift/Mime/ContentEncoder.php system/modules/core/vendor/swiftmailer/classes/Swift/Mime/ContentEncoder/Base64ContentEncoder.php system/modules/core/vendor/swiftmailer/classes/Swift/Mime/ContentEncoder/NativeQpContentEncoder.php system/modules/core/vendor/swiftmailer/classes/Swift/Mime/ContentEncoder/PlainContentEncoder.php system/modules/core/vendor/swiftmailer/classes/Swift/Mime/ContentEncoder/QpContentEncoder.php system/modules/core/vendor/swiftmailer/classes/Swift/Mime/EmbeddedFile.php system/modules/core/vendor/swiftmailer/classes/Swift/Mime/Grammar.php system/modules/core/vendor/swiftmailer/classes/Swift/Mime/Header.php system/modules/core/vendor/swiftmailer/classes/Swift/Mime/HeaderEncoder/Base64HeaderEncoder.php system/modules/core/vendor/swiftmailer/classes/Swift/Mime/HeaderEncoder/QpHeaderEncoder.php system/modules/core/vendor/swiftmailer/classes/Swift/Mime/HeaderFactory.php system/modules/core/vendor/swiftmailer/classes/Swift/Mime/HeaderSet.php system/modules/core/vendor/swiftmailer/classes/Swift/Mime/Headers/AbstractHeader.php system/modules/core/vendor/swiftmailer/classes/Swift/Mime/Headers/DateHeader.php system/modules/core/vendor/swiftmailer/classes/Swift/Mime/Headers/MailboxHeader.php system/modules/core/vendor/swiftmailer/classes/Swift/Mime/Headers/ParameterizedHeader.php system/modules/core/vendor/swiftmailer/classes/Swift/Mime/Message.php system/modules/core/vendor/swiftmailer/classes/Swift/Mime/MimePart.php system/modules/core/vendor/swiftmailer/classes/Swift/Mime/SimpleHeaderFactory.php system/modules/core/vendor/swiftmailer/classes/Swift/Mime/SimpleHeaderSet.php system/modules/core/vendor/swiftmailer/classes/Swift/Mime/SimpleMessage.php system/modules/core/vendor/swiftmailer/classes/Swift/Mime/SimpleMimeEntity.php system/modules/core/vendor/swiftmailer/classes/Swift/OutputByteStream.php system/modules/core/vendor/swiftmailer/classes/Swift/Plugins/AntiFloodPlugin.php system/modules/core/vendor/swiftmailer/classes/Swift/Plugins/DecoratorPlugin.php system/modules/core/vendor/swiftmailer/classes/Swift/Plugins/Loggers/EchoLogger.php system/modules/core/vendor/swiftmailer/classes/Swift/Plugins/MessageLogger.php system/modules/core/vendor/swiftmailer/classes/Swift/Plugins/PopBeforeSmtpPlugin.php system/modules/core/vendor/swiftmailer/classes/Swift/Plugins/RedirectingPlugin.php system/modules/core/vendor/swiftmailer/classes/Swift/Plugins/Reporter.php system/modules/core/vendor/swiftmailer/classes/Swift/Plugins/Reporters/HitReporter.php system/modules/core/vendor/swiftmailer/classes/Swift/Plugins/Reporters/HtmlReporter.php system/modules/core/vendor/swiftmailer/classes/Swift/Plugins/Sleeper.php system/modules/core/vendor/swiftmailer/classes/Swift/Plugins/ThrottlerPlugin.php system/modules/core/vendor/swiftmailer/classes/Swift/Preferences.php system/modules/core/vendor/swiftmailer/classes/Swift/SignedMessage.php system/modules/core/vendor/swiftmailer/classes/Swift/Signers/BodySigner.php system/modules/core/vendor/swiftmailer/classes/Swift/Signers/DKIMSigner.php system/modules/core/vendor/swiftmailer/classes/Swift/Signers/DomainKeySigner.php system/modules/core/vendor/swiftmailer/classes/Swift/Signers/HeaderSigner.php system/modules/core/vendor/swiftmailer/classes/Swift/Signers/SMimeSigner.php system/modules/core/vendor/swiftmailer/classes/Swift/SmtpTransport.php system/modules/core/vendor/swiftmailer/classes/Swift/Spool.php system/modules/core/vendor/swiftmailer/classes/Swift/StreamFilter.php system/modules/core/vendor/swiftmailer/classes/Swift/StreamFilters/ByteArrayReplacementFilter.php system/modules/core/vendor/swiftmailer/classes/Swift/StreamFilters/StringReplacementFilter.php system/modules/core/vendor/swiftmailer/classes/Swift/Transport.php system/modules/core/vendor/swiftmailer/classes/Swift/Transport/AbstractSmtpTransport.php system/modules/core/vendor/swiftmailer/classes/Swift/Transport/Esmtp/Auth/CramMd5Authenticator.php system/modules/core/vendor/swiftmailer/classes/Swift/Transport/Esmtp/Auth/LoginAuthenticator.php system/modules/core/vendor/swiftmailer/classes/Swift/Transport/Esmtp/Auth/PlainAuthenticator.php system/modules/core/vendor/swiftmailer/classes/Swift/Transport/Esmtp/AuthHandler.php system/modules/core/vendor/swiftmailer/classes/Swift/Transport/Esmtp/Authenticator.php system/modules/core/vendor/swiftmailer/classes/Swift/Transport/EsmtpHandler.php system/modules/core/vendor/swiftmailer/classes/Swift/Transport/EsmtpTransport.php system/modules/core/vendor/swiftmailer/classes/Swift/Transport/IoBuffer.php system/modules/core/vendor/swiftmailer/classes/Swift/Transport/LoadBalancedTransport.php system/modules/core/vendor/swiftmailer/classes/Swift/Transport/MailInvoker.php system/modules/core/vendor/swiftmailer/classes/Swift/Transport/MailTransport.php system/modules/core/vendor/swiftmailer/classes/Swift/Transport/NullTransport.php system/modules/core/vendor/swiftmailer/classes/Swift/Transport/SendmailTransport.php system/modules/core/vendor/swiftmailer/classes/Swift/Transport/SimpleMailInvoker.php system/modules/core/vendor/swiftmailer/classes/Swift/Transport/SpoolTransport.php system/modules/core/vendor/swiftmailer/classes/Swift/Transport/StreamBuffer.php system/modules/core/vendor/swiftmailer/classes/Swift/Validate.php system/modules/core/vendor/swiftmailer/dependency_maps/transport_deps.php system/modules/core/vendor/swiftmailer/mime_types.php system/modules/core/vendor/swiftmailer/swift_init.php system/modules/core/vendor/swiftmailer/swift_required.php system/modules/core/vendor/swiftmailer/swift_required_pear.php system/modules/faq/languages/fi/tl_user.xlf system/modules/newsletter/languages/fi/tl_newsletter_channel.xlf system/modules/newsletter/languages/fi/tl_user.xlf
Merge branch 'hotfix/3.2.13' into hotfix/3.3.4
Conflicts: system/docs/CHANGELOG.md
Merge branch 'hotfix/3.2.13' into hotfix/3.3.4
Conflicts: contao/install.php system/docs/CHANGELOG.md system/themes/default/main.css
Merge branch 'hotfix/3.2.13' into hotfix/3.3.4
Conflicts: system/docs/CHANGELOG.md system/themes/default/basic.css system/themes/default/confirm.css system/themes/default/error.css system/themes/default/install.css system/themes/default/login.css system/themes/default/main.css system/themes/default/src/basic.css
Merge branch 'hotfix/3.2.13' into hotfix/3.3.4
Conflicts: system/docs/CHANGELOG.md