# PostgreSQL: what changed from 17 to 18

- Product: PostgreSQL (https://whatsnew.fyi/product/postgresql)
- Vendor: PostgreSQL Global Development Group
- Range: changelog entries numbered after 17.11 up to and including 18.6, stable releases only
- Entries below: 2 releases (newest first)
- Resolved: 17 is 17.11 and 18 is 18.6, the newest stable release of each major we track
- Carrying security changes: 0 · CVEs mentioned: 0 · Mentioning breaking changes: 0 · Removing or deprecating something: 0
- Page: https://whatsnew.fyi/product/postgresql/compare/17...18

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

## What changed (0 changes, grouped by kind)

_No categorized changes yet; the release notes below are all there is._

_2 releases carry no categorized changes yet: 18.6, 18.4._

## Release notes

### 18.6

- Date: 2026-08-13
- Version: 18.6
- Original notes: https://www.postgresql.org/docs/18/release-18-6.html
- Permalink: https://whatsnew.fyi/product/postgresql/releases/18.6

18.6 is the latest release in the 18 series.

### 18.4

- Date: 2026-05-14
- Version: 18.4
- Original notes: https://www.postgresql.org/docs/18/release-18-4.html
- Permalink: https://whatsnew.fyi/product/postgresql/releases/18.4

18.4 is the latest release in the 18 series.