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Release info

Created by: xjm
Created on: 15 Feb 2017 at 16:24 UTC
Last updated: 18 Oct 2017 at 16:06 UTC
Core compatibility: 8.x
Release type: Bug fixes, New features

Release notes

This is a beta release for the next feature release of Drupal 8. Betas are good testing targets for developers and site builders who are comfortable reporting (and where possible, fixing) their own bugs. Beta releases are not recommended for non-technical users, nor for production websites. More information on beta releases.

This minor release provides new improvements and functionality without breaking backward compatibility (BC) for public APIs. 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 other API and feature additions included in the 8.3.0 beta compared to 8.2.x, see the 8.3.0-alpha1 release notes.

The following important issues have been resolved since 8.3.0-alpha1 (in addition to the numerous fixes listed at the end of this post).

Important bug fixes

The following critical and major bug fixes resolve several problems that affected data integrity as well as specific server environments.

User and developer experience improvements

The following improvements have been added to this beta (in addition to those that were already included in 8.3.0-alpha1).

In addition to the above improvements, a fix is under consideration for the Serialization module to change the API to explicitly return the correct data type for serialized data. This proposed change may impact sites, third-party REST/HAL/JSON applications, and contributed modules that expect data in the current string format. Note that this change is not included in the beta, but may be included in the upcoming release candidate, including an optional BC layer.

Experimental module improvements

This beta release includes several improvements for the experimental modules in 8.3.0-alpha1.

Updated third-party libraries

Known issues

#2843565: getViewBuilder('node')->viewMultiple() bypasses render cache was a bug fix committed prior to 8.3.0-beta1 but introduced a regression with comment threading, and a potential regression for contrib modules doing similar things to comment module. The issue has been reverted so will not be in the dev tarballs or the 8.3.0 release candidate.

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:

The following issues may affect people running this release on specific hosting environments:

Search the issue queue for all known issues.

All changes since 8.3.0-alpha1


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