drupal 7.50 发布，CMS 内容管理系统

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                　　drupal 7.50 发布了，Drupal 7 系列为维护版本，该版本新增一些小功能，以及修复一些问题，增强一些旧有功能。值得注意的是，对之前版本的兼容性不是很好。

　　以下是两个比较重要的改进：

• 　　Added support for full UTF-8 (emojis, Asian symbols, mathematical symbols) on MySQL when the site and database are configured to allow it
  
• 　　Robots.txt now allows search engines access to CSS, JavaScript and image files
  

　　主要改进记录：

• 　　#611294:Added a new "administer fields" permission for trusted users, which is required in addition to other permissions to use the field UI (change record).
  
• 　　#2514136: Added clickjacking protection to Drupal core by setting the X-Frame-Options header to SAMEORIGIN by default (change record).
  
• 　　#2488180:Added support for full UTF-8 (emojis, Asian symbols, mathematical symbols) on MySQL and other database drivers when the site and database are configured to allow it (change record).
  
• 　　#1081266:Improved performance by avoiding a re-scan of directories when a file is missing; instead, trigger a PHP warning (minor API change; see the change record).
  
• 　　#2747679 and #2760609:Made it possible to use any PHP callable in Ajax form callbacks, form API form-building functions, and form API wrapper callbacks (API addition; see the change record).
  
• 　　#889772:Fixed that following a password reset link while logged in leaves usersunable to change their password (minor user interface change; see the change record).
  
• 　　#2620104 and #2656548:Implemented various fixes for automated test failures on PHP 5.4+ and PHP 7. Drupal core automated tests now pass in these environments.
  
• 　　#2656548: Improved support for PHP 7 by fixing various problems.
  
• 　　#2215369: Fixed various bugs with PHP 5.5+ imagerotate(), including when incorrect color indices are passed in.
  
• 　　#2678822:Fixed a regression introduced in Drupal 7.43 that allowed files uploaded by anonymous users to be lost after form validation errors, andthat also caused regressions with certain contributed modules.
  
• 　　#2502263: Fixed a regression introduced in Drupal 7.36 which caused the default value of hidden textarea fields to be ignored.
  
• 　　#2364343: Fixed robots.txt to allow search engines to access CSS, JavaScript and image files (change record).
  
• 　　#2470145:Changed wording on the Update Manager settings page to clarify that theoption to check for disabled module updates also applies to uninstalledmodules (administrative-facing translatable string change).
  
• 　　#2418209:Changed the help text when editing menu links and configuring URL redirect actions so that it does not reference "Drupal" or the drupal.org website (administrative-facing translatable string change).
  
• 　　#2371861:Fixed the locale safety check that is used to ensure that translations are safe to allow for tokens in the href/src attributes of translated strings.
  
• 　　#1645156: Fixed that URL generation only works on port 80 when using domain based language negotation.
  
• 　　#1116326:Made method="get" forms work inside the administrative overlay. The fixadds a new hidden field to these forms when they appear inside the overlay (minor data structure change).
  
• 
  　　#2578173: Increased maxlength of menu link>
  
• 　　#2646280: Removed meaningless post-check=0 and pre-check=0 cache control headers from Drupal HTTP responses.
  
• 　　#1713662: Added a .editorconfig file to auto-configure editors that support it (change record).
  
• 　　#2551981: Added --directory option to run-tests.sh for easier test discovery of all tests within a project.
  
• 　　#2189345: Made run-tests.sh exit with a failure code when there are test fails or problems running the script.
  
• 　　#2491353: Fixed that cookies from previous tests are still present when a new test starts in DrupalWebTestCase.
  
• 　　#2634840: Improved performance of queries on the {authmap} database table.
  
• 　　#412808: Fixed handling of missing files and functions inside the registry.
  
• 　　#1458824: Fixed Ajax handling for tableselect form elements that use checkboxes.
  
• 　　#1327728: Fixed a bug which caused ip_address() to return nothing when the client IP address and proxy IP address are the same.
  
• 　　#2393461: Added a new option to format_xml_elements() to allow for already encoded values.
  
• 
  　　#2633334:Changed the {history} table's node>
  
• 　　#2674028:Added an explicit page callback to the "admin/people/create" menu item in the User module (minor data structure change). Previously this automatically inherited the page callback from the parent "admin/people"menu item, which broke contributed modules that override the "admin/people" page.
  

　　查看更多改进信息，直接查看发布说明。