diff --git a/CHANGELOG b/CHANGELOG
index bac80b0..65c81e0 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,6 +1,23 @@
 
 = Worldpay CNP CHANGELOG
 
+==Version 12.27.0 (October 19, 2022)
+Note: It contains changes from cnpAPI v12.25, v12.26 & v12.27. In case you need any feature supported by cnpAPI v12.25, v12.26 & v12.27, please use SDK version 12.27.0
+
+* Change:  [cnpAPI v12.27] Added new Element AuthMax in Authorization/ Sale Response
+* Change:  [cnpAPI v12.27] Added new elements authMaxApplied, networkTokenApplied, networkToken, authMaxResponseCode, authMaxResponseMessage in new element AuthMax
+* Change:  [cnpAPI v12.27] Added new values FIFA, FIVC, FISC, FISD, FIPC, FIPD, FIRC, FIRD in existing actionTypeEnum Enum
+* Change:  [cnpAPI v12.26] Added new Element passengerTransportData for authorization/sale/capture/forceCapture/captureGivenAuth/credit/depositTransactionReversal/refundTransactionReversal
+* Change:  [cnpAPI v12.26] Added new elements passengerName, ticketNumber, issuingCarrier, carrierName, restrictedTicketIndicator, numberOfAdults, numberOfChildren, customerCode, arrivalDate, issueDate, travelAgencyCode, travelAgencyName, computerizedReservationSystem, creditReasonIndicator, ticketChangeIndicator, ticketIssuerAddress, exchangeTicketNumber, exchangeAmount, exchangeFeeAmount, tripLegData are added for new element passengerTransportData.
+* Change:  [cnpAPI v12.26] Added new elements tripLegNumber, departureCode, carrierCode, serviceClass, stopOverCode, destinationCode, fareBasisCode, departureDate, originCity, travelNumber, departureTime, arrivalTime added in new element in tripLegData.
+* Change:  [cnpAPI v12.25] Added existing Elements additionalCOFData in authReversal/credit
+* Change:  [cnpAPI v12.25] Added new Elements to support Guaranteed Payments for Authorization/Sale-overridePolicy, fsErrorCode, merchantAccountStatus, productEnrolled, decisionPurpose, fraudSwitchIndicator.
+* Change:  [cnpAPI v12.25] Added a new Enum productEnrolledEnum(GUARPAY1,GUARPAY2,GUARPAY3) to support productEnrolled
+* Change:  [cnpAPI v12.25] Added a new Enum decisionPurposeEnum(CONSIDER_DECISION,INFORMATION_ONLY) to support decisionPurpose
+* Change:  [cnpAPI v12.25] Added a new Enum fraudSwitchIndicatorEnum(PRE,POST) to support fraudSwitchIndicator
+* Change:  [cnpAPI v12.25] Added new Elements to support Cruise Lines for lodgingInfo element for Authorization/Sale :- bookingID, passengerName, propertyAddress( name,city,region, country), travelPackageIndicator, smokingPreference, numberOfRooms, tollFreePhoneNumber.
+* Change:  [cnpAPI v12.25] Added a new Enum travelPackageIndicatorEnum(CarRentalReservation,AirlineReservation,Both,Unknown) to support travelPackageIndicator
+
 ==Version 12.24.1 (April 21, 2022)
 * BugFix: Starting with CNP API v12.3, threatMetrixSessionId is deprecated. Use webSessionId instead. The use and structure is identical.
 
diff --git a/README.md b/README.md
index e9adeec..5497d59 100644
--- a/README.md
+++ b/README.md
@@ -31,7 +31,7 @@ Source Code available from : https://github.com/Vantiv/cnp-sdk-for-dotNet
 
 SDK can be tested in [sandbox environment](https://www.testvantivcnp.com/sandbox/communicator/online). Sandbox does not require valid credentials to begin testing. 
 
-Please contact [Vantiv eCommerce](http://developer.vantiv.com/community/ecommerce) to receive valid merchant credentials in order to run tests successfully or if you require assistance in any way.  We are reachable at sdksupport@Vantiv.com
+Please contact [Vantiv eCommerce](http://developer.vantiv.com/community/ecommerce) to receive valid merchant credentials in order to run tests successfully or if you require assistance in any way.  We are reachable at sdksupport@fisglobal.com
 
 Setup
 -----
@@ -107,4 +107,4 @@ More examples can be found [Here](http://vantiv.github.io/dotnet/) or in [Functi
 
 Support
 -------
-Please contact Vantiv eCommerce with any further questions.   You can reach us at sdksupport@Vantiv.com.
+Please contact Vantiv eCommerce with any further questions.   You can reach us at sdksupport@fisglobal.com.