Updates are announced on our website, newsgroup, and Twitter stream (@amplopt). Additionally, period email reports of changes and fixes are sent to users who have registered download accounts; addresses for this information can be added and updated by logging in and clicking on “Notify list”.
Our maintenance & support service includes unlimited updates for AMPL and solvers purchased from us. One year of maintenance & support is included with all purchases. For more information about bringing existing licenses under maintenance, contact licensing@ampl.com.