Version 3.4.0 (December 2025)

Welcome to the Zowe Version 3.4.0 release!

See New features and enhancements for a full list of changes to the functionality. See Bug fixes for a list of issues addressed in this release.

Download v3.4.0 build: Want to try new features as soon as possible? You can download the v3.4.0 build from Zowe.org.

New features and enhancements

Zowe Version 3.4.0 contains the enhancements that are described in the following topics.

Zowe installation and packaging

Zowe Application Framework

Zowe API Mediation Layer

Zowe CLI

Zowe CLI (Core)

• Added support for providing options to both default and custom credential managers. (#2601)

Zowe CLI Imperative Framework

• Added support for providing options to both default and custom credential managers. (#2601)

Zowe Explorer

Zowe Explorer (Core)

• See the Zowe Explorer changelog for updates included in this release.

Zowe Explorer API

• See the Zowe Explorer API changelog for updates included in this release.

Zowe Explorer for IBM z/OS FTP

• See the Zowe® Explorer for IBM® z/OS® FTP changelog for updates included in this release.

Zowe Explorer ESLint Plug-in

• See the Zowe Explorer ESLint Plug-in changelog for updates included in this release.

Bug fixes

Zowe Version 3.4.0 contains the bug fixes that are described in the following topics.

Zowe installation and packaging

Zowe Application Framework

Zowe API Mediation Layer

Zowe CLI

Zowe CLI (Core)

• Updated glob dependency to resolve technical currency. (#2644)
• Updated js-yaml dependency to resolve technical currency. (#2640)
• Added support for the --overwrite option to all Download methods. The default behavior is no longer to always overwrite existing files. (#2620)

Zowe Explorer

Zowe Explorer (Core)

• See the Zowe Explorer changelog for updates included in this release.

Zowe Explorer API

• See the Zowe Explorer API changelog for updates included in this release.

Zowe Explorer for IBM z/OS FTP

• See the Zowe® Explorer for IBM® z/OS® FTP changelog for updates included in this release.

Zowe Explorer ESLint Plug-in

• See the Zowe Explorer ESLint Plug-in changelog for updates included in this release.

Vulnerabilities fixed

Zowe discloses fixed vulnerabilities in a timely manner giving you sufficient time to plan your upgrades. Zowe does not disclose the vulnerabilities fixed in the latest release as we respect the need for at least 45 days to decide when and how you upgrade Zowe. When a new release is published, Zowe publishes the vulnerabilities fixed in the previous release. For more information about the Zowe security policy, see the Security page on the Zowe website.

The following security issues were fixed by the Zowe security group in version 3.3:

• BDSA-2025-2047
• BDSA-2025-4006
• CVE-2022-40159 (BDSA-2022-3402)
• CVE-2022-40160 (BDSA-2022-3394)
• CVE-2025-31650 (BDSA-2025-3615)
• CVE-2025-31651 (BDSA-2025-3616)
• BDSA-2025-4728
• BDSA-2017-4131
• BDSA-2024-10360
• BDSA-2024-6246
• BDSA-2025-1828
• BDSA-2025-1027
• BDSA-2025-3548
• BDSA-2024-7393
• BDSA-2025-4226
• BDSA-2025-2271
• BDSA-2025-3483
• BDSA-2025-4341
• BDSA-2025-4727