What is new in z/OS (V2R2 - V2R3)

The following major enhancements were introduced in z/OS® V2R3 and V2R2. Some enhancements require customization actions before you can use them. This information helps ensure that you can locate the documents that describe the customization actions.
Note: The document lists for each function are not exhaustive and generally omit links to purely reference books for items that include system messages, system codes, and data areas.

Elements and features with no enhancements in V2R3

Usage information for the following z/OS elements and features was not updated for z/OS V2R3:
  • Alternate Library for REXX
  • BDT
  • BDT File-to-File
  • BDT SNA NJE
  • BookManager® BUILD
  • BookManager READ
  • EREP
  • ESCON Director Support
  • FFST
  • GDDM
  • GDDM-PGF
  • GDDM-REXX
  • High Level Assembler (HLASM)
  • High Level Assembler (HLASM) Toolkit
  • IBM® HTTP Server - Powered by Apache
  • MICR/OCR
  • OSA/SF
  • TIOC
  • 3270 PC File Transfer Program

IBM z/OS Liberty Embedded is a new base element in z/OS V2R3. IBM z/OS Liberty Embedded provides a copy of the IBM Liberty server stack for sharing between z/OS elements, so no usage information is provided here.