Last updated January 8, 2014.

Phase Deadline Drupal core milestones Core developers Module & theme developers Site builders
Development phase 2011-03-10
8.x opened
Major development

Anything goes! All features, API changes, and additions are on the table.

 

 

 

N/A N/A
2012-12-01
Feature freeze
Feature completion Complete approved in-progress features.
API completion phase 2013-02-18
Feature completion

Alpha releases

 

 

 

Focus on cleaning up APIs.

 

 

Provide early API feedback. Expect unstable APIs as issues get fixed.
2013-07-01
API freeze
Narrow focus to important API cleanups and bug fixes.
Beta releases
Release phase Date TBD
0 critical issues
Release candidates Focus on critical API changes and release blockers only. Upgrade contributed modules and themes; APIs should be stable. Start testing Drupal 8, including the upgrade path.

The issue Proposal to manage the Drupal 8 release cycle has more information about the plan for after Drupal 8 is released.