| No. | Name | Start | End | Duration |
| 1. | Packaging and Development (precedes Alpha) | Wed 2010-11-03 | Tue 2011-02-15 | 104.7 |
| 2. | Fudcon Fedora 15--Tempe, Arizona | Sat 2011-01-29 | Mon 2011-01-31 | 2.9 |
| 3. | Custom Spins Submission Deadline | Tue 2011-02-01 | Tue 2011-02-01 | 0 |
| 4. | Feature Submission Deadline | Tue 2011-02-01 | Tue 2011-02-01 | 0 |
| 5. | Create Alpha Test Compose (TC) | Tue 2011-02-15 | Tue 2011-02-15 | 0 |
| 6. | Feature Freeze (Testable|Complete) | Tue 2011-02-15 | Tue 2011-02-15 | 0 |
| 7. | Spins Freeze--All Fedora 15 Spins Identified | Tue 2011-02-15 | Tue 2011-02-15 | 0 |
| 8. | Branch Fedora 15 from Rawhide | Tue 2011-02-15 | Tue 2011-02-15 | 0 |
| 9. | Test Alpha 'Test Compose' | Tue 2011-02-15 | Wed 2011-02-23 | 8 |
| 10. | Alpha Change Deadline | Tue 2011-02-22 | Tue 2011-02-22 | 0 |
| 11. | Software String Freeze | Tue 2011-02-22 | Tue 2011-02-22 | 0 |
| 12. | Compose Alpha Candidate | Thu 2011-02-24 | Thu 2011-02-24 | 0 |
| 13. | Test Alpha Candidate | Thu 2011-02-24 | Thu 2011-03-03 | 7 |
| 14. | Fedora 15 Alpha Go/No-Go Meeting (17:00 US Eastern) | Wed 2011-03-02 | Wed 2011-03-02 | 0 |
| 15. | Stage & Sync Alpha to Mirrors | Thu 2011-03-03 | Tue 2011-03-08 | 5 |
| 16. | Alpha Public Availability | Tue 2011-03-08 | Tue 2011-03-08 | 0 |
| 17. | Alpha Testing | Tue 2011-03-08 | Tue 2011-04-05 | 28 |
| 18. | Create Beta Test Compose (TC) | Tue 2011-03-29 | Tue 2011-03-29 | 0 |
| 19. | Test Beta 'Test Compose' | Tue 2011-03-29 | Wed 2011-04-06 | 8 |
| 20. | Beta Change Deadline | Tue 2011-04-05 | Tue 2011-04-05 | 0 |
| 21. | Features 100% Complete Deadline | Tue 2011-04-05 | Tue 2011-04-05 | 0 |
| 22. | Compose Beta Candidate | Thu 2011-04-07 | Thu 2011-04-07 | 0 |
| 23. | Test Beta Candidate | Thu 2011-04-07 | Thu 2011-04-14 | 7 |
| 24. | Fedora 15 Beta Go/No-Go Meeting (17:00 US Eastern) | Wed 2011-04-13 | Wed 2011-04-13 | 0 |
| 25. | Stage & Sync Beta to Mirrors | Thu 2011-04-14 | Tue 2011-04-19 | 5 |
| 26. | Beta Release Public Availability | Tue 2011-04-19 | Tue 2011-04-19 | 0 |
| 27. | Beta Testing | Tue 2011-04-19 | Mon 2011-05-09 | 20 |
| 28. | Create 'Final' Test Compose (TC) | Mon 2011-05-02 | Mon 2011-05-02 | 0 |
| 29. | Test 'Final' Test Compose (TC) | Mon 2011-05-02 | Fri 2011-05-06 | 4 |
| 30. | Final Change Deadline | Mon 2011-05-09 | Mon 2011-05-09 | 0 |
| 31. | Compose 'Final' RC: DVD, Live, Spins | Tue 2011-05-10 | Wed 2011-05-11 | 1 |
| 32. | Deliver RC to QA for Testing | Wed 2011-05-11 | Wed 2011-05-11 | 0 |
| 33. | Fedora 15 Final Go/No-Go Meeting (17:00 US Eeastern) | Tue 2011-05-17 | Tue 2011-05-17 | 0 |
| 34. | Stage & Sync RC to Mirrors | Thu 2011-05-19 | Tue 2011-05-24 | 5 |
| 35. | Final (GA) Release | Tue 2011-05-24 | Tue 2011-05-24 | 0 |
Version 15 - Created on 2011-Apr-27 with TaskJuggler v2.4.1