In accordance with the standard IBM Software Group release management process and our commitment to continuous improvement of our product line, IBM Lotus software is announcing that effective September 30, 2005, IBM Lotus Notes® and Domino™ 5.x will be retired from service.
| Date | Significance of date | Comments |
| May — June 2004 | V5.0.13 Ship | The final release of the V5 maintenance stream. |
| September 2004 — September 2005 | End of Life (EOL) for V5 | Withdrawal of V5 from market, meaning that V5.x will no longer be available for sale. Customers under existing maintenance contracts will continue to be entitled to maintenance releases and hot fixes using normal channels. |
| September 2005 | End of Service (EOS) for V5.x | End of phone Technical Support* and Maintenance Engineering (code fixes) for Domino and Notes V5.x. |