9.0.0-beta6

See last link for the details about the following highlights:

• A few drush generate fixes.
• 529829b - Add back editing of aliases and config files in core-edit
• 7ba7dbe - Added config:status command.
• d75d860 - Update examples.drush.yml.
• 1227944 - Update aliases example file and fix up alias usage (#3010)
• Changes since 9.0.0-beta5.