What's new in IBM Instana Observability for z/OS
Get a quick overview of what is added, changed, improved, or deprecated in each release.
IBM Instana Observability for z/OS brings Instana APM observability to mainframe application environments. It allows application and SRE teams to get end-to-end observability from mobile through mainframe and work seamlessly with the separately licensed Instana APM offering for distributed platforms.
The latest available service
Download the latest service of Instana Observability for z/OS. Depending on the platform you are using, download the available fixes for:
- Distributed Gateway:
- z/OS components and host:
Z APM Connect August 2026
Note: Apply PTF UJ10182 for APAR OA69874.
What's fixed
- Added support for the CICS TS data producer to optionally generate tracing spans for IMS DB and program link operations. For more information, see Configure Z APM Connect CICS TS Data Producer for z/OS subsystem operation spans.
- The ZAPM Distributed Gateway now includes support for MQ‑IMS bridge ingress span representation. Spans for inbound transactions arriving over the MQ‑IMS bridge are correctly generated and exported in OpenTelemetry format.
- Added details for no upstream context tracking and DTP filtering.
- Updated the maximum number of couriers to 10 per Z APM Connect Base address space.
- Added details for data space size limits.