Is there an upgrade path from ownCloud 10.0.1?

[JasonBayton]

Unable to upgrade from ownCloud 10.0.1 to Nextcloud 12.0.0

? Unless you’re directly involved in development you probably shouldn’t be saying that. Once they’ve adequately tested it, a direct upgrade from OC to NC literally involves only downloading an index.php file to put in place of the ownCloud index.php. It’s pretty seamless.