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Release Notes

Each minor release series gets one page here telling its story: what changed, why it matters, and how to adopt it. Patch releases add a versioned section to their series page, so a series stays one linkable document. The commit-level record lives in the repository's CHANGELOG.md; each GitHub release links back to its page here. A page's Upgrading section answers three questions on fixed lines, Clients, State and Security posture; the Upgrade page says what each answers.

  • 5.1
  • 5.0
  • 4.2
  • 4.1
  • 4.0
  • 3.1. Backfilled.
  • 3.0. Backfilled.
  • 1.x, the whole 1.x line on one page. Backfilled, and closed: the 1.x line receives no further releases.

Pages marked backfilled were reconstructed after the fact from commit history and the issues of the time (#1058), and each carries a banner saying so. They are weaker evidence than a page written at release time, especially for upgrade guidance.