Answer: The latest PostgreSQL version is PostgreSQL 19 RC 1, released on 2026-10-15.
Status: Confirmed
Entry: version/postgresql
Revision: 1
Digest: sha256:343b837693609ad8 (changes whenever the content changes)

Timeline:
  Created: 2026-11-12T10:35:20Z
  Last changed: 2026-11-12T10:35:20Z
  Last verified: 2026-11-12T11:34:04Z
  Next check: 2026-11-13T11:34:04Z
  Check interval: Daily
  Expected change: No fixed schedule

Data:
  Field | Value | Source | As of
  latest version | PostgreSQL 19 RC 1 | [1] | 2026-11-12
  release date | 2026-10-15 | [1] | 2026-11-12
  latest stable release | 18.6 | [1] | 2026-11-12

Sources:
  [1] PostgreSQL Global Development Group. "PostgreSQL: The world's most advanced open source database". https://www.postgresql.org/
      Role: primary. Accessed: 2026-11-12T11:34:04Z
      Quote: "October 15, 2026: PostgreSQL 19 RC 1 Released!" (Supports: latest version)
      Quote: "2026-10-15 - PostgreSQL 19 Rc 1 Released!" (Supports: release date)
      Quote: "18.6 · 2026-08-13 · Notes" (Supports: latest stable release)
      Snapshot SHA-256: 0ebfa612f1bd6afba4db791cd0a742c6f07a0e4c5ee561cdc755a5d60a1c3adc (captured 2026-11-12T10:35:20Z)

Verification:
  Method: Automated extraction from [1] with deepseek-flash (JSON output, thinking disabled). Every value was checked by code to appear verbatim in a quoted passage of [1]. On this check the text of [1] was unchanged since 2026-11-12T10:35:20Z, so the values verified then were kept.
  Cross-check: not-available at 2026-11-12T11:34:04Z. No independent second source is configured for this entry
  Last successful check: 2026-11-12T11:34:04Z
  Last attempt: 2026-11-12T11:34:04Z

Notes and limitations:
  Extracted automatically from a single official source.

Change log:
  Time | Event | Change | Source
  2026-11-12T10:35:20Z | added | Entry created | —
  Changes for this entry as a feed: https://latestn.com/version/postgresql/latest

Challenge this entry:
  Open challenges: None
  How: If a value here is wrong or out of date, send what is wrong and a link to evidence. Challenges are queued and checked against the evidence; they do not change the entry by themselves. If the entry changes as a result, the change log says so.
  Form: https://latestn.com/dispute/version/postgresql
  POST: https://latestn.com/dispute/version/postgresql with claim, evidence_url, and optionally field and contact (form-encoded or JSON)
  GET: https://latestn.com/dispute/version/postgresql?claim={what is wrong}&evidence_url={link}

How to cite:
    latestN. (2026). What is the latest PostgreSQL version? Revision 1, last verified 2026-11-12T11:34:04Z. https://latestn.com/version/postgresql (accessed 2026-11-12T12:50:50Z).

    @misc{latestN_version_postgresql_r1,
      title        = {What is the latest PostgreSQL version?},
      author       = {{latestN}},
      year         = {2026},
      howpublished = {\url{https://latestn.com/version/postgresql}},
      note         = {Revision 1; digest sha256:343b837693609ad8; last verified 2026-11-12T11:34:04Z; accessed 2026-11-12T12:50:50Z}
    }

URL: https://latestn.com/version/postgresql