Merge remote-tracking branch 'mainline/develop' into develop

CHANGELOG.md

app/code/Magento/AdminNotification/composer.json

...Notification/view/adminhtml/templates/toolbar_entry.phtml

...nto/AdminNotification/view/adminhtml/web/toolbar_entry.js

app/code/Magento/Authorization/composer.json

app/code/Magento/Backend/Block/Menu.php

app/code/Magento/Backend/Block/Widget/Grid.php

app/code/Magento/Backend/Block/Widget/Grid/Extended.php

app/code/Magento/Backend/composer.json

...agento/Backend/view/adminhtml/templates/admin/login.phtml

...agento/Backend/view/adminhtml/templates/page/header.phtml

app/code/Magento/Backup/composer.json

app/code/Magento/Bundle/composer.json

app/code/Magento/CacheInvalidate/composer.json

app/code/Magento/Captcha/composer.json

...de/Magento/Captcha/view/adminhtml/templates/default.phtml

app/code/Magento/Catalog/composer.json

...ode/Magento/Catalog/view/adminhtml/web/catalog/product.js

app/code/Magento/CatalogImportExport/composer.json

app/code/Magento/CatalogInventory/composer.json