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Every Fedora Core release has four phases of support which are shown here in different colors. Please note the small vertical dashes that show the links between schedule dates.
The first phase lasts 4-6 months, until a new release comes out. The first dash marks a new Fedora Core release, which brings the former release to phase 2 (deprecated by The Fedora Project, but still supported). Phase 2 has a fixed length of 2-3 months, ending up in phase 3 (support through Fedora Legacy). The second dash shows when a new Fedora Core release gets officially out of life. When this happens, Fedora Legacy takes over support for it, too, and keeps supporting the former Fedora Core release in a "deprecated" state. When this happens the next time (third dash), support for a deprecated Fedora Core release will be dropped:
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| FC2 |
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| FC4 |
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| FC5 |
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Legend:
Support through The Fedora Project Support through The Fedora Project (deprecated state) Support through Fedora Legacy Support through Fedora Legacy (deprecated state)This diagram shows that Fedora Legacy is always supporting the last two Fedora Core releases which are officially end-of-life. Every time official support for a Fedora Core release is dropped, Fedora Legacy takes it over, dropping its current deprecated release, and moves the currently legacy-supported release to the deprecated state.
As Fedora Core releases are expected to happen every 4-6 months (5 months averaged), and they'll be supported 2-3 months after a new release (2.5 months averaged), this sums up to an averaged product lifetime of 5 + 2.5 + 5 + 5 = 17.5 months, which are roughly 1.5 years.