CWS Release Notes

Below, you will find release notes related to the EVO Snap* Commerce Web Service platform. Click on one to learn about our new or updated features and more!

Recent Releases


.38R1 Release Notes

Release Date: October 2022

This release brings with it support for American Express Safekey 2.0, Decommissions support for 3DS 1.0 October 14th 2022, and includes STAN on Returns.


.37R2 Release Notes

Release Date: May 2022

This release includes updates to support EVO’s Transactional Risk Assessment engine for Card-Not-Present transactions.


.37R1HF3 Release Notes

Release Date: April 2022

This release includes a Postilion adapter update.  The update fixes a timeout error for an undefined ‘103’ response field where a small subset of eServices transactions were affected.


.36R3 CWS Release Notes

Release Date: August 2021

This release included updates to 3DS for conditional/optional fields on the ARes, updates to allow alphanumeric EBT approval codes, and allowing $0 line items on invoices. The eService backend now supports eSlip receipting. Please see the document for full details.


.36R2 CWS Release Notes

Release Date: July 2021

This release included updates to Account Updater, and an optimization for Snap* CaptureAll requests. Please see the document for full details.


.36R1 CWS Release Notes

Release Date: May 2021

This release included updates to support Incremental Authorization for the NGTrans front-end. Please see the document for full details.


.35R8 CWS Release Notes

Release Date: April 2021

This release included updates to support Anonymous Prepaid transactions for 3-D Secure 2.0. Please see the document for full details.


.35R7HF6 CWS Release Notes

Release Date: April 2021

This release included fixes for four 3-D Secure bugs found in Production. Please see the document for full details.


.35R7HF5 CWS Release Notes

Release Date: March 2021

This release included fixes for 3DS 2.0 in production related to incorrect fallback MerchantNumber mapping for the As a Service workflow and incorrect Purchase Amount formatting due to currency exponent. Please see the document for full details.


.35R7HF4 CWS Release Notes

Release Date: March 2021

This release included a fix for no longer automatically processing failed 3DS authentication transactions as non-3DSecure. Please see the document for full details.


.35R7HF3 CWS Release Notes

Release Date: March 2021

This release included fixes for Production issues related to ecom merchants changing their industry type to MOTO and duplicate wallets. Please see the document for full details.


.35R7HF2 CWS Release Notes

Release Date: February 2021

This release included a fix for a 3-D Secure bug found in Production related to parsing the MessageVersion from the Challenge Request. Please see the document for full details.


Previous Release Notes

Release Notes Production Date
.35R7HF1 CWS Release Notes February 2021
.35R7 CWS Release Notes January 2021
.35R6 CWS Release Notes December 2020
.35R5 CWS Release Notes October 2020
.35R4 CWS Release Notes September 2020
.35R3 CWS Release Notes August 2020
.35R2 Hotfix CWS Release Notes August 2020
.35R2 CWS Release Notes July 2020
.35R1 CWS Release Notes June 2020
.34R2C CWS Release Notes May 2020
.34R2B CWS Release Notes April 2020
.34R1 CWS Release Notes February 2020
.33R3 CWS Release Notes January 2020
.33R2 CWS Release Notes December 2019
.33R1 Release Notes October 2019
.32R2 Release Notes September 2019
.32R1 Release Notes July 2019
CWS Release Notes April 2019
CWS Release Notes – Hotfix March 2019
CWS Release Notes March 2019
CWS Release Notes March 2019
CWS Release Notes – Hotfix December 2018
CWS Release Notes October 2018
CWS Release Notes August 2018
CWS Release Notes June 2018
CWS Release Notes May 2018
CWS Release Notes – Hotfix February 2018
CWS Release Notes January 2018