We release two major versions each year and provide Service Packs on a monthly cadence.  These updates include new features, enhancements, security improvements and many other elements to ensure our customers are always using the most modern and contemporary technology available. For Accela’s SaaS customers, the upgrades are provided at no charge with their subscriptions. For self-hosted customers, upgrades are included in their Maintenance and Support contracts. For more information, please contact us.