Aws\- This release adds #[ReturnTypeWillChange] attribute where it is needed and fixes a deprecation notice when pass null to rawurlencode() for PHP 8.1 compatibilityAws\EC2- Adds waiters support for internet gateways.Aws\LexModelsV2- Added support for grammar slot type in Amazon Lex. You can author your own grammar in the XML format per the SRGS specification to collect information in a conversation.Aws\NetworkFirewall- This release adds support for managed rule groups.Aws\Route53Domains- Amazon Route 53 domain registration APIs now support filtering and sorting in the ListDomains API, deleting a domain by using the DeleteDomain API and getting domain pricing information by using the ListPrices API.Aws\Route53RecoveryControlConfig- This release adds tagging supports to Route53 Recovery Control Configuration. New APIs: TagResource, UntagResource and ListTagsForResource. Updates: add optional fieldtagsto support tagging while calling CreateCluster, CreateControlPanel and CreateSafetyRule.Aws\SMS- This release adds SMS discontinuation information to the API and CLI references.Aws\SavingsPlans- Adds the ability to specify Savings Plans hourly commitments using five digits after the decimal point.