Remove the 000_redmine_x_ux_upgrade folder you want update and upload the unziped folder of the new version. Alternatively, you can copy the archive in the same location and perform the unzip command in the console.
2.
Removing Leftovers
Make sure you also removed any leftovers located in /public/plugin_assets - delete the 000_redmine_x_ux_upgrade folder. Then go to /public/themes and remove the redminex_theme folder.
3.
Install Gems
From redmine_root run bundle install. No need for any migration (rake).
4.
Restart
Restart Redmine. Based on your hosting provider / web server, you will need to run the following commands. Puma:sudo systemctl restart redmine.yourcompany.com.service or Passenger:touch tmp/restart.txt.
