[[["容易理解","easyToUnderstand","thumb-up"],["確實解決了我的問題","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["難以理解","hardToUnderstand","thumb-down"],["資訊或程式碼範例有誤","incorrectInformationOrSampleCode","thumb-down"],["缺少我需要的資訊/範例","missingTheInformationSamplesINeed","thumb-down"],["翻譯問題","translationIssue","thumb-down"],["其他","otherDown","thumb-down"]],["上次更新時間:2025-09-04 (世界標準時間)。"],[],[],null,["# Maintenance changelog\n\nThis page explains maintenance changelogs and provides links to changelogs for\neach AlloyDB for PostgreSQL PostgreSQL major version.\n\nAlloyDB regularly updates the software on AlloyDB instances\nthrough new maintenance versions. With new maintenance versions, AlloyDB\nreleases new features, security patches, bug fixes, performance improvements,\nand more. Your AlloyDB instances are kept up to date with the\nlatest maintenance version through self-service maintenance or through scheduled\nmaintenance, which AlloyDB performs every few months.\n\nAlloyDB PostgreSQL maintenance changelogs\n-----------------------------------------\n\n- [AlloyDB PostgreSQL 14 maintenance changelog](/alloydb/docs/maintenance-changelog/postgres-14)\n- [AlloyDB PostgreSQL 15 maintenance changelog](/alloydb/docs/maintenance-changelog/postgres-15)\n- [AlloyDB PostgreSQL 16 maintenance changelog](/alloydb/docs/maintenance-changelog/postgres-16)\n- [AlloyDB PostgreSQL 17 maintenance changelog](/alloydb/docs/maintenance-changelog/postgres-17)"]]