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Release info

Created by: xjm
Created on: 15 Mar 2017 at 21:30 UTC
Last updated: 19 Apr 2017 at 17:59 UTC
Core compatibility: 8.x
Release type: Bug fixes, New features is brought to you in part by the generous support of sponsors like:

Release notes

This is a release candidate for the next feature release of Drupal 8 and includes security fixes since the previous release candidate. Release candidates are not supported for production sites, but they are intended for widespread testing in preparation for the upcoming stable release. More information on release candidates.

This minor release provides new improvements and functionality without breaking backward compatibility (BC) for public APIs. Note that there may be changes in internal APIs and experimental modules that require updates to contributed and custom modules and themes per Drupal core's backwards compatibility and experimental module policies.

For a full list of the API and feature additions included in the 8.3.0 release candidate, see the 8.3.0-alpha1, 8.3.0-beta1, and 8.3.0-rc1 release notes.

Translators should take note of the string changes since the last minor release. Developers can review the change records for this release.

Important issues resolved since 8.3.0-rc1

This release candidate includes security fixes that were also released in Drupal 8.2.7. See SA-CORE-2017-001 for more information. Sites using 8.3.0-rc1 or earlier should update immediately. (Sites on 8.2.x should update to Drupal 8.2.7).

This release also includes a security-related update for the phpunit dev dependency. Since 8.2.3, packaged Drupal releases no longer contain development PHP libraries. See Drupal 8 will no longer include dev dependencies in release packages for more information. This update ensures that Drupal core requires the most secure version of phpunit available, so you should update any sites that do include dev dependencies with this version. Using dev dependencies in production is still not recommended. Be sure to follow the update instructions completely, including removing old files.

Additional important fixes since RC1:

Known issues

Drupal 8 currently has a number of known issues related to incorrect tracking of file usage, which can result in files being unexpectedly deleted from a site. Site owners experiencing unexplained file loss should consider setting "Delete orphaned files" to "Never" on /admin/config/media/file-system until these issues are resolved, and note the following issues:

A regression was found in this release.

Search the issue queue for all known issues.

All changes since 8.3.0-rc1


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