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PH71287: THIS PTF CONTAINS BUG FIXES & UPDATES TO PYTHON

A fix is available

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • This PTF contains bug fixes & updates to Python
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED: All users of the IBM Open Enterprise SDK for *
    *                 Python 3.14                                  *
    ****************************************************************
    * PROBLEM DESCRIPTION: This PTF contains bug fixes & updates   *
    *                      to Python                               *
    ****************************************************************
    * RECOMMENDATION: Apply provided service                       *
    ****************************************************************
    This PTF updates the following:
    Updated cpython to 3.14.4
    Updated cffi to 2.0.0
    Updated pip to 26.1
    Updated libexpat to 2.8.0
    Updated openssl to 3.5.4
    Implemented straddling support for bitfields on z/OS and added
    z/OS bitfield test cases
    Added ctypes support for the z/OS fetch() function
    Fixed realpath resolution on z/OS for symlinks containing system
    variables
    

Problem conclusion

  • IBM is releasing a cumulative update to IBM Open Enterprise SDK
    for Python 3.14.
    

Temporary fix

Comments

APAR Information

  • APAR number

    PH71287

  • Reported component name

    PYTHON FOR ZOS

  • Reported component ID

    5655PYT00

  • Reported release

    3E0

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2026-05-12

  • Closed date

    2026-06-02

  • Last modified date

    2026-07-02

  • APAR is sysrouted FROM one or more of the following:

  • APAR is sysrouted TO one or more of the following:

Modules/Macros

  • CYPPHPAX CYPSNPAX
    

Fix information

  • Fixed component name

    PYTHON FOR ZOS

  • Fixed component ID

    5655PYT00

Applicable component levels

  • R3E0 PSY UO08090

       UP26/06/04 P F606

Fix is available

  • Select the PTF appropriate for your component level. You will be required to sign in. Distribution on physical media is not available in all countries.

[{"Business Unit":{"code":"BU011","label":"Systems - zSystems software"},"Product":{"code":"SG19M"},"Platform":[{"code":"PF054","label":"z Systems"}],"Version":"3E0"}]

Document Information

Modified date:
02 July 2026