The current Rental production release is version 2010.3 Build 25
The most recent bulletin is July 2010. You can view it via the Links dropdown from the main taskbar after logging on to PROMAS.
HeroPM.com
LandlordSource.com
ntnonline.com
NARPM.org
Landlord Essentials
Tenant Open Credits usually occur from tenant receipts for overpayments or prepayments. They are tenant monies you are holding in your bank account. These monies have not been applied to any charge code. Released deposits also create open credits.