AWS WAF customers can now use up to 5,000 Web ACL capacity units (WCU) per web ACL. WAF uses WCU to calculate and control the operating resources that are required to run WAF rules, rule groups, and web ACLs. Previously, WAF permitted a maximum of 1,500 WCU per web ACL. Customers who needed more than 1,500 WCU for their web ACLs needed to request manual limit increases. As WAF has launched new features and improved core product capabilities over the past few years, customers have asked us to increase the WCU limit so that it’s easier for them to use these new features without worrying about running out of capacity.