Fall 2026 Harmony release

Introduction

This page provides a summary of new features, enhancements, and changes in fall 2026.

Various usability enhancements and bug fixes are not included in this summary. For the full release notes and release dates by component and region, see each release page.

To access the latest version of web applications, log in to the Harmony portal. Locally installed applications are downloadable through the Harmony portal Downloads page. The Docker private agent, private API gateway, and App Builder images are available at Docker Hub.

Harmony 12.12

The Harmony 12.12 release dates are October 14-23, 2026. For full release notes and dates, see the Harmony 12.12 and App Builder 4.68 release notes.

Harmony 12.11

The Harmony 12.11 release dates are September 22 - October 1, 2026. For full release notes and dates, see the Harmony 12.11 and App Builder 4.67 release notes.

Agent

• Connection pooling for source and target database connections, reusing pooled JDBC connections instead of opening a new one for every operation

• Synchronous RunOperation call limit within While loops, capped at 50 calls by default

• External entity restrictions for RunXSLT, blocking DOCTYPE declarations and external entity resolution by default

API gateway

• User identifier length limit of 256 characters for API logs

App Builder

• OpenAPI document generation for published REST APIs

• File policies for File columns

Connectors

• ServiceNow v2 connector general availability

• Amazon Bedrock connector support for GPT-5.6 models

• MCP Client List Resources, List Prompts, Get Prompt, and Read Resource activities general availability

• Manual entry labels standardized across connectors

Management Console

• New Usage and Endpoints columns, and an Endpoints usage tab, on the App Registrations page

Studio

• Expanded diff view for selective import and selective transfer, now covering tools, operations, project variables, email notifications, connector endpoints, and connector activities

Harmony 12.10

The Harmony 12.10 release dates are September 1-10, 2026. For full release notes and dates, see the Harmony 12.10 and App Builder 4.66 release notes.

Agent

• PostgreSQL upgrade for Windows private agents

• Upgraded Oracle and PostgreSQL JDBC drivers bundled with the agent

• JDBC connection restrictions for database connections, blocking localhost and 127.0.0.1 by default

Agent, Studio, and Design Studio

• Salesforce API version 67 (Summer '26) support for the Studio Salesforce connector and Design Studio Salesforce connector

API gateway

• User identifier validation for API logs, blocking disallowed characters

API Manager

• Advanced Search panel on the APIs page, replacing the previous Filter panel

• Confirmation prompt before clearing the OpenAPI document in a Proxy API configuration

App Builder

• GPT-5.4 and GPT-5.6-terra models for the App Builder AI Assistant

• Three new Google Material icon categories for icon selection fields

Connectors

• Anthropic Claude connector general availability

• PDF Utilities connector general availability

• Azure OpenAI connector verified with GPT-5.6 models

• HTTP v2 connector support for custom OAuth grant type values

• OpenAI connector support for GPT-5.6 models

• Action required: OpenAI Prompt and Register Tools activities deprecated, replaced by Prompt V2 and Register Tools V2

EDI

• AS2 connection support for binary Content-Transfer-Encoding

• LF and CR options for the X12 Segment Separator (ISA18)

• EDI ID and Partner ID character limits specific to each EDI standard (X12, EDIFACT, TRADACOMS)

• Company ID renamed to EDI ID across the EDI user interface

Management Console

• New Cloud logging status changed alert event, and support for external alert recipients

• Edit and deployment history columns on the Projects page

• Console AI Assistant (Beta) support for managing message queues and authentication tokens

Studio

• Expanded diff view in project history and selective transfer, now covering tools, email notifications, operations, project variables, and connector endpoints and activities

• Operations added by selective transfer now placed directly on the target project's design canvas