Denotes questions related to Magento CE and EE 2.1.9

Denotes questions related to Magento CE(Open Source) and EE(Commerce) 2.1.9

Release notes:

CE: http://devdocs.magento.com/guides/v2.1/release-notes/ReleaseNotes2.1.9CE.html

EE: http://devdocs.magento.com/guides/v2.1/release-notes/ReleaseNotes2.1.9EE.html