Prepare to release 2.7.0

Author: colinodell

CHANGELOG.md

@@ -6,6 +6,8 @@ Updates should follow the [Keep a CHANGELOG](https://keepachangelog.com/) princi
 
 ## [Unreleased][unreleased]
 
+## [2.7.0]
+
 This is a **security release** to address a potential cross-site scripting (XSS) vulnerability when using the `AttributesExtension` with untrusted user input.
 
 ### Added
@@ -698,7 +700,8 @@ No changes were introduced since the previous release.
     - Alternative 1: Use `CommonMarkConverter` or `GithubFlavoredMarkdownConverter` if you don't need to customize the environment
     - Alternative 2: Instantiate a new `Environment` and add the necessary extensions yourself
 
-[unreleased]: https://github.com/thephpleague/commonmark/compare/2.6.1...2.6.2
+[unreleased]: https://github.com/thephpleague/commonmark/compare/2.7.0...HEAD
+[2.7.0]: https://github.com/thephpleague/commonmark/compare/2.6.2...2.7.0
 [2.6.2]: https://github.com/thephpleague/commonmark/compare/2.6.1...2.6.2
 [2.6.1]: https://github.com/thephpleague/commonmark/compare/2.6.0...2.6.1
 [2.6.0]: https://github.com/thephpleague/commonmark/compare/2.5.3...2.6.0

docs/_data/project.yml

@@ -4,18 +4,17 @@ description: PHP Markdown parser featuring support for CommonMark, GFM, and cust
 site_title: CommonMark for PHP
 google_analytics_tracking_id: UA-137970568-1
 repository: commonmark
-default_version: '2.6'
+default_version: '2.7'
 releases:
-  next:
+  current:
     '2.7':
       documentation_link: '/2.7/'
-  current:
+  previous:
     '2.6':
       documentation_link: '/2.6/'
-  previous:
+  legacy:
     '2.5':
       documentation_link: '/2.5/'
-  legacy:
     '2.4':
       documentation_link: '/2.4/'
     '2.3':