This document contains a complete listing of IBM z/OS Debugger fixes with the most recent fix at the top.
IBM z/OS Debugger is delivered in many products. For more information, see Products that include IBM z/OS Debugger.
To get started installing and configuring IBM z/OS Debugger, see the IBM Host Configuration Assistant for Z Development.
Table of Contents:
Host z/OS Debugger 18.0.0
Table of Contents:
Host z/OS Debugger 17.0.5.3
| APAR | Description |
| PH72939 | IBM z/OS Debugger v17.0.5.3 Host - English and Japanese |
| This PTF provides fixes for IBM Test Accelerator for Z 3.0.0. See Release Notes for more details. |
| Refer to Summary of changes to see new function provided in IBM z/OS Debugger. |
Host z/OS Debugger 17.0.5.2
| APAR | Description |
| PH72521 | IBM z/OS Debugger v17.0.5.2 Host - English and Japanese |
| Refer to Summary of changes to see new function provided in IBM z/OS Debugger. |
| APAR | Description |
| Refer to Summary of changes to see new function provided in IBM z/OS Debugger. |
Host z/OS Debugger 17.0.5
| APAR | Description |
| PH71059 | IBM z/OS Debugger v17.0.5 Host - English and Japanese |
| Refer to Summary of changes to see new function provided in IBM z/OS Debugger. |
Host z/OS Debugger 17.0.4.2
| APAR | Description |
| PH70949 | IBM z/OS Debugger v17.0.4.2 Host - English and Japanese |
| This PTF provides fixes for IBM Test Accelerator for Z 2.8.0. See Release Notes for more details. |
| Refer to Summary of changes to see new function provided in IBM z/OS Debugger. |
| APAR | Description |
| PH69672 | Importing debug profiles that were exported from version 17.0.1 or earlier adds an unintended recording startup key EQA_STARTUP_KEY=REC to the profile. |
| PH69409 | Code coverage results exported to PDF where the source includes Japanese characters result in misaligned source text, missing U+202F glyph errors, and some characters appearing as a hashtag (#). |
| Refer to Summary of changes to see new function provided in IBM z/OS Debugger. |
Host z/OS Debugger 17.0.4.1
| APAR | Description |
| PH70683 | IBM z/OS Debugger v17.0.4.1 Host - English and Japanese |
| This PTF provides fixes for IBM Test Accelerator for Z 2.7.0. See Release Notes for more details. |
Host z/OS Debugger 17.0.4
| APAR | Description |
| PH70010 | IBM z/OS Debugger v17.0.4 Host - English |
| Refer to Summary of changes to see new function provided in IBM z/OS Debugger. |
Host z/OS Debugger 17.0.3.2
| APAR | Description |
| PH69020 | IBM z/OS Debugger v17.0.3.2 Host - English |
| PH69021 | IBM z/OS Debugger v17.0.3.2 Host - Japanese |
| This PTF provides fixes for IBM Test Accelerator for Z 2.4.0. See Release Notes for more details. |
Host z/OS Debugger 17.0.3.1
| APAR | Description |
| PH68729 | IBM z/OS Debugger v17.0.3.1 Host - English |
| PH68730 | IBM z/OS Debugger v17.0.3.1 Host - Japanese |
| This PTF provides fixes for IBM Test Accelerator for Z 2.3.0. See Release Notes for more details. |
| APAR | Description |
| PH67127 | Launch configurations cannot be created from a JCL when the file extension is in uppercase. |
| PH64634 | Code Coverage reports rely on runtime engine file paths, which may be different from paths used in source management systems or build tools. This results in inaccurate mapping of coverage data to source files when exporting results to SonarQube.
This APAR also requires z/OS Debugger 17.0.3 host, which introduces support for alternate source lookup paths during code coverage collection. |
Host z/OS Debugger 17.0.3
| APAR | Description |
| PH66884 | IBM z/OS Debugger v17.0.3 Host - English |
| PH66885 | IBM z/OS Debugger v17.0.3 Host - Japanese |
| This PTF provides features and fixes for IBM Test Accelerator for Z 2.2.0. See Release Notes for more details. |
Host z/OS Debugger 17.0.2.2
| APAR | Description |
| PH68000 | IBM z/OS Debugger v17.0.2.2 Host - English |
| PH68001 | IBM z/OS Debugger v17.0.2.2 Host - Japanese |
| This PTF provides features and fixes for IBM Test Accelerator for Z 2.1.0. See Release Notes for more details. |
Host z/OS Debugger 17.0.2.1
| APAR | Description |
| PH66880 | IBM z/OS Debugger v17.0.2.1 Host - English |
| PH66881 | IBM z/OS Debugger v17.0.2.1 Host - Japanese |
| This PTF also provides features and fixes for IBM Test Accelerator for Z 2.0.0. See Release Notes for more details. |
| APAR | Description |
| PH66667 | The z/OS Debugger data set option in the JCL Generation preference page or the z/OS Batch Application using existing JCL dialog fails to locate an existing MVS library. |
| PH65122 | Code coverage collection using Remote Debug Service takes a few minutes to complete. |
| PH64910 | IMS Isolation Debug Profile Editor does not update the relevant fields when the user logs into a new connection. |
Host z/OS Debugger 17.0.2
| APAR | Description |
| PH65178 | IBM z/OS Debugger v17.0.2 Host - English |
| PH65179 | IBM z/OS Debugger v17.0.2 Host - Japanese |
| APAR | Description |
| PH65594 | Debug profile editor blocks changes when the connection is not established beforehand, requiring the editor to be closed and reopened to make updates. |
| PH64608 | Launch configurations generate an invalid TEST runtime option when using a preferences file in a PDS form. |
| PH64398 | Code Coverage PDF report export dialog throws an error when an executable line filter is specified and IncludeSource is set to true. |
| PH64024 | Headless Code Coverage collector cleans the output directory when an error is thrown during the collection. |
| PH64012 | Launching a z/OS Batch Application with a local JCL throws an unexpected error. |
| PH64011 | Launching a z/OS Batch Application with a local JCL uses an invalid base JCL path. |
Host z/OS Debugger 17.0.1
| APAR | Description |
| PH63716 | IBM z/OS Debugger v17.0.1 Host - English |
| PH63717 | IBM z/OS Debugger v17.0.1 Host - Japanese |
Host z/OS Debugger 17.0.0 UI99647 PTF
| APAR | Description |
| PH64692 | Debugger authorization errors with EQADTOOL.** generic profiles. |
| APAR | Description |
| PH63148 | Code coverage PDF report is empty when a filter is specified in the Export dialog. |
| PH62761 | Debug profiles are not restored upon workbench restart after creating an IMS Isolation profile. |
| PH62750 | Code coverage report export dialog clears "Result File Name" field when selected. |
| PH62439 | Code coverage PDF report with many results shows overlapping texts in the footer. |
| PH62076 | Debug console does not display bi-directional variable data correctly. |
| PH61761 | Code coverage comparison menu is only visible when starting Eclipse in English. |
Host z/OS Debugger 17.0.0
Table of Contents:
Host z/OS Debugger 16.0.9 UO07718, UO07719 PTF
| APAR | Description |
| PH71034 | IBM z/OS Debugger v16.0.9 Host - English and Japanese |
| Refer to Summary of changes to view details on the latest host update for IBM z/OS Debugger. |
| APAR | Description |
| PH66667 | The z/OS Debugger data set option in the JCL Generation preference page or the z/OS Batch Application using existing JCL dialog fails to locate an existing MVS library. |
| Refer to Summary of changes to see new function provided in IBM z/OS Debugger. |
Host z/OS Debugger 16.0.8 UO05812, UO05813 PTF
| APAR | Description |
| PH66442 | IBM z/OS Debugger v16.0.8 Host - English |
| PH66443 | IBM z/OS Debugger v16.0.8 Host - Japanese |
| Refer to Summary of changes to view details on the latest host update for IBM z/OS Debugger. |
| APAR | Description |
| PH65594 | Debug profile editor blocks changes when the connection is not established beforehand, requiring the editor to be closed and reopened to make updates. |
| PH65122 | Code coverage collection using Remote Debug Service takes a few minutes to complete. |
| PH64910 | IMS Isolation Debug Profile Editor does not update the relevant fields when the user logs into a new connection. |
| PH64608 | Launch configurations generate an invalid TEST runtime option when using a preferences file in a PDS form. |
| PH64398 | Code Coverage PDF report export dialog throws an error when an executable line filter is specified and IncludeSource is set to true. |
| PH64024 | Headless Code Coverage collector cleans the output directory when an error is thrown during the collection. |
Host z/OS Debugger 16.0.7 UO03076, UO03077 PTF
| APAR | Description |
| PH64067 | IBM z/OS Debugger v16.0.7 Host - English |
| PH64068 | IBM z/OS Debugger v16.0.7 Host - Japanese |
Host z/OS Debugger 16.0.6.2 UO02319, UO02321 PTF
| APAR | Description |
| PH65234 | IBM z/OS Debugger v16.0.6.2 Host - English |
| PH65236 | IBM z/OS Debugger v16.0.6.2 Host - Japanese |
| This PTF also provides features and fixes for IBM Test Accelerator for Z 1.0.2. See Release Notes for more details. |
Host z/OS Debugger 16.0.6 UI99629 PTF
| APAR | Description |
| PH64719 | Debugger authorization errors with EQADTOOL.** generic profiles. |
| APAR | Description |
| PH56981 | Japanese characters replaced with "#" in Code Coverage pdf output. |
| PH63148 | Code coverage PDF report is empty when a filter is specified in the Export dialog. |
| PH62761 | Debug profiles are not restored upon workbench restart after creating an IMS Isolation profile. |
| PH62750 | Code coverage report export dialog clears "Result File Name" field when selected. |
| PH62439 | Code coverage PDF report with many results shows overlapping texts in the footer. |
| PH62076 | Debug console does not display bi-directional variable data correctly. |
| PH61761 | Code coverage comparison menu is only visible when starting Eclipse in English. |
Host z/OS Debugger 16.0.6 UI98962, UI98964 PTF
| APAR | Description |
| PH62817 | IBM z/OS Debugger v16.0.6 Host - English |
| PH62818 | IBM z/OS Debugger v16.0.6 Host - Japanese |
Host z/OS Debugger 16.0.5.1 UI98062, UI98063 PTF
| APAR | Description |
| PH61818 | IBM z/OS Debugger v16.0.5.1 Host - English |
| PH61819 | IBM z/OS Debugger v16.0.5.1 Host - Japanese |
Host z/OS Debugger 16.0.5 UI97270, UI97271 PTF
| APAR | Description |
| PH60292 | IBM z/OS Debugger v16.0.5 Host - English (Pre-REQs PTF UI96037) |
| PH60293 | IBM z/OS Debugger v16.0.5 Host - Japanese |
| APAR | Description |
| PH58608 | Code Coverage results view contains incorrect translation for "line" |
Host z/OS Debugger 16.0.4 UI96037, UI96038 PTF
| APAR | Description |
| PH57538 | IBM z/OS Debugger v16.0.4 Host - English |
| PH57539 | IBM z/OS Debugger v16.0.4 Host - Japanese |
| APAR | Description |
| PH59830 | Debug session may hang when variables view is in focus. |
| PH59431 | Unable to proceed with debugging due to step selection dialog when using a single step debug jcl. |
| PH58608 | Code Coverage results view contains incorrect translation for "line" |
Host z/OS Debugger 16.0.3 UI93992, UI93993 PTF
| APAR | Description |
| PH55033 | IBM z/OS Debugger v16.0.3 Host - English |
| PH55034 | IBM z/OS Debugger v16.0.3 Host - Japanese |
| APAR | Description |
| PH56981 | Japanese characters replaced with "#" in Code Coverage pdf output. |
| PH56715 | Incorrect user information displayed in IMS ISO profile when using ADFz common components server. |
Host z/OS Debugger 16.0.2 UI92124, UI92125 PTF
| APAR | Description |
| PH53166 | IBM z/OS Debugger v16.0.2 Host - English |
| PH53168 | IBM z/OS Debugger v16.0.2 Host - Japanese |
| APAR | Description |
| PH53085 | German Headless Code Coverage help text is not formatted |
| PH53931 | Code Coverage Service puts temporary files in the /tmp directory. |
| PH53076 | JAVA.LANG.INDEXOUTOFBOUNDSEXCEPTION error during startup of a remote PL1 or COBOL debug session |
| APAR | Description |
| PH52930 | Select Property Group dialog does not show the OK button where there are many property groups. |
| PH51653 | Debug Profile Service revokes access when user is enrolled into MFA after successful RSE sign-in. |
| PH51577 | Code Coverage Results view creates multiple login windows for remote result locations when the workbench is started up. |
Host z/OS Debugger 16.0.0.1 UI83050, UI83051 PTF
| APAR | Description |
| PH50162 | IBM z/OS Debugger v16.0 Host - English |
| PH50163 | IBM z/OS Debugger v16.0 Host - Japanese |
Host z/OS Debugger 16.0.0
| APAR | Description |
| PH49970 | Code Coverage annotations do not appear in program source with the LPEX editor. |
| PH49588 | Code coverage results view status is incorrect when threshold is modified and the Eclipse IDE is restarted. |
| PH49481 | Profile Management only displays the first 10 profiles per CICS region. |
| PH49439 | CICS Profile form hint is repeated twice. |
| PH48068 | Mix of secured RSE and unsecured Debug Manager works in IDz v14, but fails in IDz v15. |
| PH47054 | Using non-English special characters in CICS profile terminal id field does not get saved correctly in DTCN. |
| PH39333 | Visual Debug fails with PL1 parser errors when lines are concatenated or uses a non-default logical OR character. |
September 2026 VS Code IDE
February 2026 VS Code IDE
December 2025 VS Code IDE
September 2025 VS Code IDE
August 2025 VS Code IDE
| This version is a pre-requisite for IBM Test Accelerator for Z 2.0.0. See Release Notes for more details. |
February 2025 VS Code IDE
December 2024 VS Code IDE
September 2024 VS Code IDE
November 2021 VS Code IDE
| APAR | Description |
| PH34335 | There are no instructions on adding self-signed certificate for connecting to Debug Profile Service without using the Chrome browser. |
IBM Debug Tool
To find the most currently available PTFs for IBM Debug Tool for z/OS Version 13 Release 1 and earlier, see Latest Debug Tool for z/OS Service Information.
IBM Software Support Communities
- Go to the IBM Support Portal to configure your support portal experience and review FAQs, lists of known problems, fixes, and a wealth of important support information.
- Join the Development and Pipeline topic group in the Linux Z and LinuxOne community to access blogs, videos, discussions, and forums for the z/OS Debugger.
- Go to IBM Developer to access an online collection of tutorials, sample code, standards, forums, and other resources that are provided by experts at IBM to assist software developers who use IBM tools.
- Go to IBM Ideas to review, vote and submit ideas for improving z/OS Debugger.
- Visit the Jazz Community if you use a product created by using the Jazz platform to interact directly with the Jazz development team and other community members, download product trials and betas and track development progress.
Helpful Hints For Obtaining Technical Assistance:
Before you contact IBM Software Support, gather the background information that you need to describe the problem. When you describe a problem to an IBM software support specialist, be as specific as possible and include all relevant background information so that the specialist can help you solve the problem efficiently. To save time, know the answers to these questions:
- What software versions were you running when the problem occurred?
- Do you have logs, traces, or messages that are related to the problem?
- Can you reproduce the problem? If so, what steps do you take to reproduce it?
- Is there a workaround for the problem? If so, be prepared to describe the workaround.
- Visit MustGather: Read first for problems encountered with IBM z/OS Debugger for tips on what information is needed by an IBM software support specialist.
If you have helpful information to diagnose or identify the problem on your system, you can provide this data by following the instructions to exchange information with IBM Technical Support .
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