Three IBM support clocks stop on September 30, 2026: z/OS 2.5, IBM i 7.4 and Semeru Runtime 26.
The three clocks
| Product | Released | End of standard support | After the date | Move to |
|---|---|---|---|---|
| z/OS 2.5 | 2021-09-30 | Sep 30, 2026 | Extended support; no completion date on IBM's list yet | z/OS 3.1 ( 2023-09-29 ) or 3.2 ( 2025-09-30 ); neither has an announced end date |
| IBM i 7.4 | 2019-06-21 | Sep 30, 2026 | Paid Service Extension to Sep 30, 2029 | IBM i 7.5 ( 2022-05-10 ) or 7.6 ( 2025-04-18 ); Power9 or later hardware required |
| Semeru Runtime 26 | 2026-03-18 | Sep 30, 2026 | Nothing; six-month releases are replaced | A long-support line: 25 (to Sep 30, 2030 ) or 21 (to Dec 31, 2029 ) |
What's covered
- The three clocks
- IBM i 7.4: the row with a price and a hardware test
- z/OS 2.5: extended support without a published end
- Semeru 26: replaced, not extended
- IBM dates that are not September 30, 2026
- What to do before the date
Full guide with every version, risk scores, and live updates: https://endoflife.ai/article-ibm-september-30-2026-zos-ibm-i-semeru
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