Hidden Gem for Db2 for z/OS Professionals

While many Db2 specialists follow APARs, function levels, or IBM blogs, one valuable document often goes unnoticed: the Db2 13 for z/OS – What’s New PDF.

It consolidates virtually every enhancement, from SQL and utilities to performance, security, availability, and continuous delivery, into a single, well-structured reference. If you want one document to keep track of Db2 innovation, this is it.

Here’s just a small excerpt of what you’ll find in the latest “What’s New” summary:

• Chapter 3. New-function APARs for Db2 13
  • New-function APARs for Db2 13 in 2026
  • New-function APARs for Db2 13 in 2025
  • New-function APARs for Db2 13 in 2024
  • New-function APARs for Db2 13 in 2023
  • New-function APARs for Db2 13 in 2022
• Chapter 4. Db2 13 function level
  • Function level 509 (APAR PH70028 – April 2026)
  • Function level 508 (APAR PH66983 – October 2025)
  • Function level 507 (APAR PH64907 – April 2025
  • Function level 506 (APAR PH62635 – October 2024)
  • Function level 505 (APAR PH59534 – April 2024)
  • Function level 504 (APAR PH54919 – October 2023)
  • Function level 503 (APAR PH51469 – February 2023)
  • Function level 502 (APAR PH47891 – October 2022)
  • Function level 501 (Db2 13 installation or migration – May 2022)
  • Function level 500 (for migrating to Db2 13 – May 2022)
  • Function level 100 (for migrating to Db2 13 – May 2022)