Jetpack 15.4 is available now for testing and the download link is available here
Jetpack 15.4 will be deployed to VIP on Tuesday, January 20, 2026*. The upgrade is expected to be performed at 17:00 UTC (1:00PM ET).
*This deployment date and time are subject to change if issues are discovered during testing of the Jetpack release.
A full list of changes is available in the commit log.
What do I need to do?
We recommend the below:
- Installing the release on your non-production sites using these instructions.
- Running through the testing flows outlined in the Jetpack Testing Guide.
As you’re testing, there are a few things to keep in mind:
- Check your browser’s JavaScript console and see if there are any errors reported by Jetpack there.
- Use Query Monitor to help make PHP notices and warnings more noticeable and report anything you see.
Questions?
If you have any questions, related to this release, please open a support ticket and we will be happy to assist.