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+### Bug fix: Sorting by "newest first"
+
+Fixed an issue where draft and minor versions of datasets were sorted using the release timestamp of their most recent major version.
+This caused newer drafts or minor versions to appear incorrectly alongside their corresponding major version, instead of at the top, when sorted by "newest first".
+Sorting now consistently uses the last update timestamp for all dataset versions (draft, minor, and major).
+
+**Upgrade instructions**: all datasets must be reindexed for this fix to take effect.
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