# Postgres 18 Beta 1 Introduces Asynchronous I/O and Upgrade and Observability Changes

DevFeed: [Postgres 18 Beta 1 Introduces Asynchronous I/O and Upgrade and Observability Changes](<https://devfeed.tech/articles/postgres-18-beta-is-out-7-features-you-should-know-about-5727.md>)

Original publisher: [Read original article](<https://neon.com/blog/postgres-18-beta-is-out>)

Author: Heikki Linnakangas

Published: 2025-05-08T21:17:13Z

Content type: release

Language: en

Sources: [Blog -- Neon Docs](<https://devfeed.tech/sources/blog-neon-docs.md>)

Topics: [releases](<https://devfeed.tech/topics/releases.md>), [Release notes](<https://devfeed.tech/topics/release-notes.md>), [io\_uring](<https://devfeed.tech/topics/io-uring.md>), [observability](<https://devfeed.tech/topics/observability.md>), [Linux](<https://devfeed.tech/topics/linux.md>), [Statistics](<https://devfeed.tech/topics/statistics.md>)

Tags: [asynchronous](<https://devfeed.tech/tags/asynchronous.md>), [io-uring](<https://devfeed.tech/tags/io-uring.md>), [linux](<https://devfeed.tech/tags/linux.md>), [observability](<https://devfeed.tech/tags/observability.md>), [performance](<https://devfeed.tech/tags/performance.md>), [postgres](<https://devfeed.tech/tags/postgres.md>), [release](<https://devfeed.tech/tags/release.md>), [release-notes](<https://devfeed.tech/tags/release-notes.md>), [statistics](<https://devfeed.tech/tags/statistics.md>)

## AI overview

Neon contributors describe the Postgres 18 Beta 1 release, highlighting its new asynchronous I/O subsystem, selectable I/O methods including io_uring, retained planner statistics during pg_upgrade, new upgrade options, and observability changes.

## Source excerpt

Postgres 18 Beta 1 just shipped. As with previous major releases, this beta includes previews of all features planned for general availability. Read the release notes for the full list of updates, but we're gonna go through some highlights on this post. New in Postgres 18 Asynchr...