4.13 Release Notes
Contact Center - Patch Release Notes - Version 4.13.57
Release Date 4th September 2026 Overview This patch release introduces compliance upgrades for Zendesk integrations, new routing test certifications, and essential security enhancements. It also delivers robust bug fixes across omnichannel masking, reporting pipelines, and core telephony services to ensure higher stability and performance.
Contact Center - Patch Release Notes - Version 4.13.56
Release Date 10th August 2026 Overview This patch release introduces enhanced privacy and security controls—including authenticated recording access and recording filename masking protections—alongside Amplitude product analytics, agent self-monitoring metrics on the toolbar, and critical administrative safety guardrails, accompanied by comprehensive core platform and reporting bug fixes. Amplitude Product Analytics for ECC 4x Key capability & business impact Introduces privacy-safe Amplitude product tracking to capture key usage events such as login/logout, application usage, call lifecycle (start, end, dispose), and switches to 6x.
Contact Center - Patch Release Notes - Version 4.13.55
Release Date 10th July 2026 This document outlines the feature enhancements, security updates, bug fixes, and other updates included in the ECC 4. 13.
Contact Center - Patch Release Notes - Version 4.13.53
Release Date 2nd June 2026 Key versions included in this release are Note - Release marked in bold has the change only, other releases have no change and are the same as delivered in last patch cycle. EN-1519 || Enable Priority reordering for Call Routing profiles in MultiCC UI MultiCC Managers can now set the evaluation order of System Routing profiles directly from the MultiCC UI, so the routing rules that matter most are applied first on inbound calls.
Contact Center - Patch Release Notes - Version 4.13.48
Release Date 23rd-Feb-2026 Key versions included in this release are EN-706 || IP and Domain Whitelisting for shared 4X stamps Domain whitelisting behavior has been validated across multiple scenarios with and without gatewayPublicBaseUrl configuration. gatewayPublicBaseUrl acts as a global override.
Contact Center - Patch Release Notes - Version 4.13.45
Release Date 16th-Jan-2026 This patch release introduces significant enhancements to system stability, security, and user experience. Key updates include a new framework for critical admin alerts to prevent accidental data loss, configurable IVR visibility for smoother transfers, and native noise suppression for WebRTC calls.
Contact Center - Patch Release Notes - Version 4.13.44
Release Date 7th-Jan-2026 This document outlines the feature enhancements, bug fixes, and other updates included in the ECC 4. 13.
Contact Center - Patch Release Notes - Version 4.13.43
Release Date 18th-December-2025 This document outlines the feature enhancements, bug fixes, and other updates included in the ECC 4. 13.
Contact Center - Patch Release Notes - Version 4.13.42
Release Date 27th-November-2025 This document outlines the feature enhancements, bug fixes, and other updates included in the ECC 4. 13.
Contact Center - Patch Release Notes - Version 4.13.41
Release Date 11th-November-2025 This document outlines the feature enhancements, bug fixes, and other updates included in the ECC 4. 13.
Contact Center - Patch Release Notes - Version 4.13.40
Release Date 28th-October-2025 This document outlines the feature enhancements, bug fixes, and other updates included in the ECC 4. 13.
Contact Center - Patch Release Notes - Version 4.13.39
Release Date 16th-October-2025 This document outlines the feature enhancements, bug fixes, and other updates included in the ECC 4. 13.
Contact Center - Patch Release Notes - Version 4.13.38
Release Date 30th-September-2025 Short description This patch introduces features for unmasked voicelog filenames (VLA), real-time agent counts during toolbar transfers, security updates for PHP/Apache versions in AMF, and fixes for reporting and interaction handling. Unmasked Voicelog Filenames (VLA) Added capability (via backend config) to store unmasked numbers in VLA recording filenames while maintaining masked names for UI downloads.
Contact Center - Patch Release Notes - Version 4.13.37
Release Date 4th-September-2025 This document outlines the feature enhancements, bug fixes, and other updates included in the ECC 4. 13.
Contact Center - Patch Release Notes - Version 4.13.36
Release Date 4th-August-2025 This document outlines the feature enhancements, bug fixes, and other updates included in the ECC 4. 13.
Contact Center - Patch Release Notes - Version 4.13.35
Release Date 12-July-2025 This document outlines the feature enhancements, bug fixes, and other updates included in the ECC 4. 13.
Contact Center - Patch Release Notes - Version 4.13.34
Release Date 5-June-2025 Short description This release includes security fixes related to host header injection and validation, VLA API fixes, and resolves various bugs impacting API functionality, user state management, UI display, and agent call handling. Security Fix (Host Header Injection) Implemented validation for incoming request hosts against an allowed list configured in the .
Contact Center - Patch Release Notes - Version 4.13.33
Release Date 15-May-2025 This document outlines the feature enhancements, bug fixes, and other updates included in the ECC 4. 13.
Contact Center - Patch Release Notes - Version 4.13.32
Release Date 25-April-2025 Short description This release introduces license control for the Interaction Archiver, includes attachment and voice log archiving capabilities, adds a new global event for App SDK, enhances reporting, upgrades Tomcat security, and fixes several bugs. Interaction Archiver Licensing Implemented contact center level license key ( enableInteractionArchiver ) to control access to the Ticket Archival feature.
Contact Center - Patch Release Notes - Version 4.13.31
Release Date 22-March-2025 Short description This release introduces a comprehensive ticket archival system, enhancements for dual extension App SDK, supervisor login via toolbar, and fixes for chat vulnerabilities, call handling, and UI issues. Ticket Archival System Implemented a system to archive expired tickets, allowing retrieval and filtering based on various parameters.
Contact Center - Patch Release Notes - Version 4.13.30
Release Date 23-Feb-2025 Short description This release includes security hardening by upgrading the embedded Tomcat version, enhancements to App SDK for dual extension support, and various bug fixes related to login, SSO, Nodeflow, call handling, and UI behavior. Tomcat Version Upgrade Upgraded the embedded Apache Tomcat library to version 9.