Release notes - Sonos system updates

This article contains release notes for Sonos system updates.

By default, your Sonos system is set to update automatically. You can manually check for updates using the Sonos app.

Some older Sonos products receive essential system updates with distinct version numbers from the releases below. For more information and a full list of products, please see this article.

For release notes related to the Sonos app, please see Release notes - Sonos app updates.


Current system version

90.0-67171

Release date: 2025-08-05

In this update:

Starting today, some older Sonos players will feature a distinct firmware version compared to newer devices, a change designed to maintain product support and enable future innovations without impacting your current high-quality listening experience. These players will continue to receive essential updates, ensuring they are not 'frozen'.

Current legacy system version

86.0-67170
2025-08-05

Previous system versions

85.0-66270

Release date: 2025-07-08

In this update:

  • Introduction of additional security controls. Requires App version 80.23 or above
    • Learn More
    • This feature will be gradually rolled out over the upcoming weeks.
  • Support ends for WEP (wireless security encryption)
  • Improved responsiveness during playback for Play:1 and Play:3.

85.0-65270

Release date: 2025-06-10

In this update:

85.0-64200

Release date: 2025-05-06

In this update:

84.1-64070

Release date: 2025-04-15

In this update:

84.1-63110

Release date: 2025-03-17

In this update:

  • Bug fixes and improved performance
  • Improvements to Spotify playback and Spotify Connect

83.1-62052

Release date: 2025-02-19

In this update:

  • Improves responsiveness of volume changes for some configurations

83.1-61240

Release date: 2025-02-04

In this update:

  • Security improvements

83.1-61130

Release date: 2025-01-28

In this update:

  • Support for Era 100 Pro
  • Security improvements

82.3-60160

Release date: 2025-01-07

In this update:

  • Bug fixes and improved performance.
  • Fixed an issue with Control4 integration

82.2-59204

Release date: 2024-12-10

In this update:

  • Ongoing reliability improvements during Trueplay tuning
  • Ongoing stability improvements when using Spotify Connect

81.1-58210

Release date: 2024-10-29

In this update:

  • Support for the all-new Arc Ultra soundbar and Sub 4
  • TV Audio Swap bug fixes between Sonos Ace and Beam Gen 1
  • Playback stability and performance enhancements
  • Sonos Voice Control stability fixes
  • Improvements to Spotify playback and Spotify Connect

Still need help?

Our technicians can help over the phone or with a live chat. You can also ask questions and find answers with other Sonos owners in our Sonos Community.