Club Drupal

Drupal 7.43, 2016-02-24

-----------------------

- Fixed security issues (multiple vulnerabilities). See SA-CORE-2016-001.

Drupal 7.42, 2016-02-03

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- Stopped invoking hook_flush_caches() on every cron run, since some modules

  use that hook for expensive operations that are only needed on cache clears.

- Changed the default .htaccess and web.config to block Composer-related files.

- Added static caching to module_load_include() to improve performance.

- Fixed double-encoding bugs in select field widgets provided by the Options

  module. The fix deprecates the 'strip_tags' property on option widgets and

  replaces it with a new 'strip_tags_and_unescape' property (minor data

  structure change).

- Improved MySQL 5.7 support by changing the MySQL database driver to stop

  using the ANSI SQL mode alias, which has different meanings for different

  MySQL versions.

- Fixed a regression introduced in Drupal 7.39 which prevented autocomplete

  functionality from working on servers that are not configured to

  automatically recognize index.php.

- Updated the Archive_Tar PEAR package to the latest 1.4.0 release, to fix bugs

  with tar file handling on various operating systems.

- Fixed fatal errors on node preview when a field is displayed in the node

  teaser but hidden in the full node view. The fix removes a

  field_attach_prepare_view() call from the node_preview() function since it is

  redundant with one in the node preview theme layer.

- Improved the description of the "Trimmed" format option on text fields

  (translatable string change, and minor UI and data structure change).

- Numerous small bug fixes.

- Numerous API documentation improvements.

- Additional automated test coverage.

Drupal 7.41, 2015-10-21

-----------------------

- Fixed security issues (open redirect). See SA-CORE-2015-004.

Drupal 7.40, 2015-10-14

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- Made Drupal's code for parsing .info files run much faster and use much less

  memory.

- Prevented drupal_http_request() from returning an error when it receives a

  201 through 206 HTTP status code.

- Added support for autoloading traits via the registry on sites running PHP

  5.4 or higher.

- Allowed the user-picture.tpl.php theme template to have HTML classes besides

  the default "user-picture" class printed in it (markup change).

- Fixed the URL text filter to convert e-mail addresses with plus signs into

  mailto: links.

- Added alternate text to file icons displayed by the File module, to improve

  accessibility (string change, and minor API addition to theme_file_icon()).

- Changed one-time login link failure messages to be displayed as errors or

  warnings as appropriate, rather than as regular status messages (minor UI

  change and data structure change).

- Changed the default settings.php configuration to exclude private files from

  the "404_fast_paths" behavior.

- Changed the page that displays filter tips for a particular text format, for

  example filter/tips/full_html, to return "page not found" or "access denied"

  if the format does not exist or the user does not have access to it. This

  change adds a new menu item to the Filter module's hook_menu() entry (minor

  data structure change).

- Added a new hook, hook_block_cid_parts_alter(), to allow modules to alter the

  cache keys used for caching a particular block.

- Made drupal_set_message() display and return messages when "0" is passed in

  as the message to set.

- Fixed non-functional "Files displayed by default" setting on file fields.

- The "worker callback" provided in hook_cron_queue_info() and the "finished"

  callback specified during batch processing can now be any PHP callable

  instead of just functions.

- Prevented drupal_set_time_limit() from decreasing the time limit in the case

  where the PHP maximum execution time is already unlimited.

- Changed the default thousand marker for numeric fields from a space ("1 000")

  to nothing ("1000") (minor UI change: https://www.drupal.org/node/1388376).

- Prevented malformed theme .info files (without a "name" key) from causing

  exceptions during menu rebuilds. If an .info file without a "name" key is

  found in a module or theme directory, Drupal will now use the module or

  theme's machine name as the display name instead.

- Made the format column in the {date_format_locale} database table

  case-sensitive, to match the equivalent column in the {date_formats} table.

- Fixed a bug in the Statistics module that caused JavaScript files attached to

  a node while it is being viewed to be omitted from the page.

- Added an optional 'project:' prefix that can be added to dependencies in a

  module's .info file to indicate which project the dependency resides in (API

  addition: https://www.drupal.org/node/2299747).

- Fixed various bugs that occurred after hooks were invoked early in the Drupal

  bootstrap and that caused module_implements() and drupal_alter() to cache an

  incomplete set of hook implementations for later use.

- Set the X-Content-Type-Options header to "nosniff" when possible, to prevent

  certain web browsers from picking an unsafe MIME type.

- Prevented the database API from executing multiple queries at once on MySQL,

  if the site's PHP version is new enough to do so. This is a secondary defense

  against SQL injection (API change: https://www.drupal.org/node/2463973).

- Fixed a bug in the Drupal 6 to Drupal 7 upgrade path which caused the upgrade

  to fail when there were multiple file records pointing to the same file.

- Numerous small bug fixes.

- Numerous API documentation improvements.

- Additional automated test coverage.

Drupal 7.39, 2015-08-19

-----------------------

- Fixed security issues (multiple vulnerabilities). See SA-CORE-2015-003.

Drupal 7.38, 2015-06-17

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- Fixed security issues (multiple vulnerabilities). See SA-CORE-2015-002.

Drupal 7.37, 2015-05-07

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- Fixed a regression in Drupal 7.36 which caused certain kinds of content types

  to become disabled if they were defined by a no-longer-enabled module.

- Removed a confusing description regarding automatic time zone detection from

  the user account form (minor UI and data structure change).

- Allowed custom HTML tags with a dash in the name to pass through filter_xss()

  when specified in the list of allowed tags.

- Allowed hook_field_schema() implementations to specify indexes for fields

  based on a fixed-length column prefix (rather than the entire column), as was

  already allowed in hook_schema() implementations.

- Fixed PDO exceptions on PostgreSQL when accessing invalid entity URLs.

- Added a sites/all/libraries folder to the codebase, with instructions for

  using it.

- Added a description to the "Administer text formats and filters" permission

  on the Permissions page (string change).

- Numerous small bug fixes.

- Numerous API documentation improvements.

- Additional automated test coverage.

Drupal 7.36, 2015-04-01

-----------------------

- Added a 'file_public_schema' variable which allows modules that define

  publicly-accessible streams in hook_stream_wrappers() to bypass file download

  access checks when processing managed file upload fields.

- Fixed a bug that caused database query tags not to be added to search-related

  database queries under many circumstances, and which prevented the

  corresponding hook_query_TAG_alter() implementations from being called.

- Fixed the "for" attribute on managed file upload field labels to improve

  accessibility (minor markup change).

- Added a 'javascript_always_use_jquery' variable which can be set to FALSE by

  sites that may not need jQuery loaded on all pages, and a 'requires_jquery'

  option to drupal_add_js() which modules can set to FALSE when adding

  JavaScript files that have no dependency on jQuery (API addition:

  https://www.drupal.org/node/2462717).

- Fixed incorrect foreign keys in the User module's role_permission and

  users_roles database tables.

- Changed permission descriptions throughout Drupal core to consistently link

  to relevant administrative pages, regardless of whether the user viewing the

  Permissions page can view the page being linked to (minor UI change).

- Fixed the drupal_add_region_content() function so that it actually adds

  content to the page.

- Added an 'image_suppress_itok_output' variable to allow sites already using

  the existing 'image_allow_insecure_derivatives' variable to also prevent

  security tokens from appearing in image derivative URLs.

- Fixed double-escaping of theme names in the Block module administrative

  interface (minor string change).

- Added basic support for Xdebug when running automated tests.

- Fixed a bug which caused previewing a node to remove elements from the node

  being edited. With this fix, calling node_preview() will no longer modify the

  passed-in node object (minor API change).

- Added a user_has_role() function to check whether a user has a particular

  role (API addition: https://www.drupal.org/node/2462411).

- Fixed installation failures when an opcode cache is enabled.

- Fixed a bug in the Drupal 6 to Drupal 7 upgrade path which caused private

  files to be inaccessible.

- Fixed a bug in the Drupal 6 to Drupal 7 upgrade path which caused user

  pictures to be lost.

- Fixed missing language code in hook_field_attach_view_alter() when it is

  invoked from field_view_field().

- Stopped sending ETag and Last-Modified headers for uncached page requests,

  since they break caching for certain Varnish and Nginx configurations.

- Changed the Simpletest module to allow PSR-4 test classes to be used in

  Drupal 7.

- Fixed a fatal error that occurred when using the Comment module's "Unpublish

  comment containing keyword(s)" action.

- Changed the "lang" attribute on language links to "xml:lang" so it validates

  as XHTML (minor markup change).

- Prevented the form API from allowing arrays to be submitted for various form

  elements, such as textfields, textareas, and password fields (API change:

  https://www.drupal.org/node/2462723).

- Fixed a bug in the Contact module which caused the global user object to have

  the incorrect name and e-mail address during the remainder of the page

  request after the contact form is submitted.

- Numerous small bug fixes.

- Numerous API documentation improvements.

- Additional automated test coverage.

Drupal 7.35, 2015-03-18

-----------------------

- Fixed security issues (multiple vulnerabilities). See SA-CORE-2015-001.

Drupal 7.34, 2014-11-19

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- Fixed security issues (multiple vulnerabilities). See SA-CORE-2014-006.

Drupal 7.33, 2014-11-07

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- Began storing the file modification time of each module and theme in the

  {system} database table so that contributed modules can use it to identify

  recently changed modules and themes (minor data structure change to the

  return value of system_get_info() and other related functions).

- Added a "Did you mean?" feature to the run-tests.sh script for running

  automated tests from the command line, to help developers who are attempting

  to run a particular test class or group.

- Changed the date format used in various HTTP headers output by Drupal core

  from RFC 1123 format to RFC 7231 format.

- Added a "block_cache_bypass_node_grants" variable to allow sites which have

  node access modules enabled to use the block cache if desired (API addition).

- Made image derivative generation HTTP requests return a 404 error (rather

  than a 500 error) when the source image does not exist.

- Fixed a bug which caused user pictures to be removed from the user object

  after saving, and resulted in data loss if the user account was subsequently

  re-saved.

- Fixed a bug in which field_has_data() did not return TRUE for fields that

  only had data in older entity revisions, leading to loss of the field's data

  when the field configuration was edited.

- Fixed a bug which caused the Ajax progress throbber to appear misaligned in

  many situatons (minor styling change).

- Prevented the Bartik theme from lower-casing the "Permalink" link on

  comments, for improved multilingual support (minor UI change).

- Added a "preferred_menu_links" tag to the database query that is used by

  menu_link_get_preferred() to find the preferred menu link for a given path,

  to make it easier to alter.

- Increased the maximum allowed length of block titles to 255 characters

  (database schema change to the {block} table).

- Removed the Field module's field_modules_uninstalled() function, since it did

  not do anything when it was invoked.

- Added a "theme_hook_original" variable to templates and theme functions and

  an optional sitewide theme debug mode, to provide contextual information in

  the page's HTML to theme developers. The theme debug mode is based on the one

  used with Twig in Drupal 8 and can be accessed by setting the "theme_debug"

  variable to TRUE (API addition).

- Added an entity_view_mode_prepare() API function to allow entity-defining

  modules to properly invoke hook_entity_view_mode_alter(), and used it

  throughout Drupal core to fix bugs with the invocation of that hook (API

  change: https://www.drupal.org/node/2369141).

- Security improvement: Made the database API's orderBy() method sanitize the

  sort direction ("ASC" or "DESC") for queries built with db_select(), so that

  calling code does not have to.

- Changed the RDF module to consistently output RDF metadata for nodes and

  comments near where the node is rendered in the HTML (minor markup and data

  structure change).

- Added an HTML class to RDFa metatags throughout Drupal to prevent them from

  accidentally affecting the site appearance (minor markup change).

- Fixed a bug in the Unicode requirements check which prevented installing

  Drupal on PHP 5.6.

- Fixed a bug which caused drupal_get_bootstrap_phase() to abort the bootstrap

  when called early in the page request.

- Renamed the "Search result" view mode to "Search result highlighting input"

  to better reflect how it is used (UI change).

- Improved database queries generated by EntityFieldQuery in the case where

  delta or language condition groups are used, to reduce the number of INNER

  JOINs (this is a minor data structure change affecting code which implements

  hook_query_alter() on these queries).

- Removed special-case behavior for file uploads which allowed user #1 to

  bypass maximum file size and user quota limits.

- Numerous small bug fixes.

- Numerous API documentation improvements.

- Additional automated test coverage.

Drupal 7.32, 2014-10-15

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- Fixed security issues (SQL injection). See SA-CORE-2014-005.

Drupal 7.31, 2014-08-06

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- Fixed security issues (denial of service). See SA-CORE-2014-004.

Drupal 7.30, 2014-07-24

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- Fixed a regression introduced in Drupal 7.29 that caused files or images

  attached to taxonomy terms to be deleted when the taxonomy term was edited

  and resaved (and other related bugs with contributed and custom modules).

- Added a warning on the permissions page to recommend restricting access to

  the "View site reports" permission to trusted administrators. See

  DRUPAL-PSA-2014-002.

- Numerous API documentation improvements.

- Additional automated test coverage.

Drupal 7.29, 2014-07-16

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- Fixed security issues (multiple vulnerabilities). See SA-CORE-2014-003.

Drupal 7.28, 2014-05-08

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- Fixed a regression introduced in Drupal 7.27 that caused JavaScript to break

  on older browsers (such as Internet Explorer 8 and earlier) when Ajax was

  used.

- Increased the timeout used by the Update Manager module when it fetches data

  from drupal.org (from 5 seconds to 30 seconds), to work around a problem

  which causes incomplete information about security updates to be presented to

  site administrators. This fix may lead to a performance slowdown on the

  Update Manager administration pages, when installing Drupal distributions,

  and (for sites that use the automated cron feature) on occasional page loads

  by site visitors.

- Fixed the behavior of the token system's "[node:summary]" token when the body

  field does not have a manual summary.

- Changed the behavior of db_query_temporary() so that it works on SELECT

  queries even when they have leading comments/whitespace. A side effect of

  this fix is that db_query_temporary() will now fail with an error if it is

  ever used on non-SELECT queries.

- Added a "node_admin_filter" tag to the database query used to build the list

  of nodes on the content administration page, to make it easier to alter.

- Made the cron queue system log any exceptions that are thrown while an item

  in the queue is being processed, rather than stopping the entire PHP request.

- Improved screen reader support by adding an aria-live HTML attribute to file

  upload fields when there is an error uploading the file (minor markup

  change).

- Made the pager on the Tracker module listing pages show the same number of

  items as other pagers throughout Drupal core (minor UI change).

- Fixed a bug which caused caches not to be properly cleared when a file entity

  was saved or deleted.

- Added several missing countries to the default list returned by

  country_get_list() (string change).

- Replaced the term "weight" with "influence" in the content ranking settings

  for search, and added help text for administrators (string change).

- Fixed untranslatable text strings in the administrative interface for the

  "Crop" effect provided by the Image module (minor string change).

- Fixed a bug in the Taxonomy module update function introduced in Drupal 7.26

  that caused memory and CPU problems on sites with very large numbers of

  unpublished nodes.

- Numerous small bug fixes.

- Numerous API documentation improvements.

- Additional automated test coverage.

Drupal 7.27, 2014-04-16

-----------------------

- Fixed security issues (information disclosure). See SA-CORE-2014-002.

Drupal 7.26, 2014-01-15

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- Fixed security issues (multiple vulnerabilities). See SA-CORE-2014-001.

Drupal 7.25, 2014-01-02

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- Fixed a bug in node_save() which prevented the saved node from being updated

  in hook_node_insert() and other similar hooks.

- Added a meta tag to install.php to prevent it from being indexed by search

  engines even when Drupal is installed in a subfolder (minor markup change).

- Fixed a bug in the database API that caused frequent deadlock errors when

  running merge queries on some servers.

- Performance improvement: Prevented block rehashing from writing blocks to the

  database on every cache clear and cron run when the blocks have not changed.

  This fix results in an extra 'saved' key which is added and set to TRUE for

  each block returned by _block_rehash() that actually is saved to the database

  (data structure change).

- Added an optional 'skip on cron' parameter to hook_cron_queue_info() to allow

  queues to avoid being automatically processed on cron runs (API addition).

- Fixed a bug which caused hook_block_view_MODULE_DELTA_alter() to never be

  invoked if the block delta had a hyphen in it. To implement the hook when the

  block delta has a hyphen, modules should now replace hyphens with underscores

  when constructing the function name for the hook implementation.

- Fixed a bug which caused cached pages to sometimes be sent to the browser

  with incorrect compression. The fix adds a new 'page_compressed' key to the

  $cache->data array returned by drupal_page_get_cache() (minor data structure

  change).

- Fixed broken tests on PHP 5.5.

- Made the File and Image modules more robust when saving entities that have

  deleted files attached. The code in file_field_presave() will now remove the

  record of the deleted file from the entity before saving (minor data

  structure change).

- Standardized menu callback functions throughout Drupal core to return

  MENU_NOT_FOUND and MENU_ACCESS_DENIED rather than printing their own "page

  not found" or "access denied" pages (minor API change in the return value of

  these functions under some circumstances).

- Fixed a bug in which caches were not properly cleared when a node was deleted

  via the administrative interface.

- Changed the Bartik theme to render content contained in <pre>, <code> and

  similar tags in a larger font size, so it is easier to read.

- Fixed a bug in the Search module that caused exceptions to be thrown during

  searches if the server was not configured to represent decimal points as a

  period.

- Fixed a regression in the Image module that made image_style_url() not work

  when a relative path (rather than a complete file URI) was passed to it.

- Added an optional feature to the Statistics module to allow node views to be

  tracked by Ajax requests rather than during the server-side generation of the

  page. This allows the node counter to work on sites that use external page

  caches (string change and new administrative option:

  https://drupal.org/node/2164069).

- Added a link to the drupal.org documentation page for cron to the Cron

  settings page (string change).

- Added a 'drupal_anonymous_user_object' variable to allow the anonymous user

  object returned by drupal_anonymous_user() to be overridden with a classed

  object (API addition).

- Changed the database API to allow inserts based on a SELECT * query to work

  correctly.

- Changed the database schema of the {file_managed} table to allow Drupal to

  manage files larger than 4 GB.

- Changed the File module's hook_field_load() implementation to prevent file

  entity properties which have the same name as file or image field properties

  from overwriting the field properties (minor API change).

- Numerous small bug fixes.

- Numerous API documentation improvements.

- Additional automated test coverage.

Drupal 7.24, 2013-11-20

-----------------------

- Fixed security issues (multiple vulnerabilities), see SA-CORE-2013-003.

Drupal 7.23, 2013-08-07

-----------------------

- Fixed a fatal error on PostgreSQL databases when updating the Taxonomy module

  from Drupal 6 to Drupal 7.

- Fixed the default ordering of CSS files for sites using right-to-left

  languages, to consistently place the right-to-left override file immediately

  after the CSS it is overriding (API change: https://drupal.org/node/2058463).

- Added a drupal_check_memory_limit() API function to allow the memory limit to

  be checked consistently (API addition).

- Changed the default web.config file for IIS servers to allow favicon.ico

  files which are present in the filesystem to be accessed.

- Fixed inconsistent support for the 'tel' protocol in Drupal's URL filtering

  functions.

- Performance improvement: Allowed all hooks to be included in the

  module_implements() cache, even those that are only invoked on HTTP POST

  requests.

- Made the database system replace truncate queries with delete queries when

  inside a transaction, to fix issues with PostgreSQL and other databases.

- Fixed a bug which caused nested contextual links to display improperly.

- Fixed a bug which prevented cached image derivatives from being flushed for

  private files and other non-default file schemes.

- Fixed drupal_render() to always return an empty string when there is no

  output, rather than sometimes returning NULL (minor API change).

- Added protection to cache_clear_all() to ensure that non-cache tables cannot

  be truncated (API addition: a new isValidBin() method has been added to the

  default database cache implementation).

- Changed the default .htaccess file to support HTTP authorization in CGI

  environments.

- Changed the password reset form to pre-fill the username when requested via a

  URL query parameter, and used this in the error message that appears after a

  failed login attempt (minor data structure and behavior change).

- Fixed broken support for foreign keys in the field API.

- Fixed "No active batch" error when a user cancels their own account.

- Added a description to the "access content overview" permission on the

  permissions page (string change).

- Added a drupal_array_diff_assoc_recursive() function to allow associative

  arrays to be compared recursively (API addition).

- Added human-readable labels to image styles, in addition to the existing

  machine-readable name (API change: https://drupal.org/node/2058503).

- Moved the drupal_get_hash_salt() function to bootstrap.inc and used it in

  additional places in the code, for added security in the case where there is

  no hash salt in settings.php.

- Fixed a regression in Drupal 7.22 that caused internal server errors for

  sites running on very old Apache 1.x web servers.

- Numerous small bug fixes.

- Numerous API documentation improvements.

- Additional automated test coverage.

Drupal 7.22, 2013-04-03

-----------------------

- Allowed the drupal_http_request() function to be overridden so that

  additional HTTP request capabilities can be added by contributed modules.

- Changed the Simpletest module to allow PSR-0 test classes to be used in

  Drupal 7.

- Removed an unnecessary "Content-Disposition" header from private file

  downloads; it prevented many private files from being viewed inline in a web

  browser.

- Changed various field API functions to allow them to optionally act on a

  single field within an entity (API addition: http://drupal.org/node/1825844).

- Fixed a bug which prevented Drupal's file transfer functionality from working

  on some PHP 5.4 systems.

- Fixed incorrect log message when theme() is called for a theme hook that does

  not exist (minor string change).

- Fixed Drupal's token-replacement system to allow spaces in the token value.

- Changed the default behavior after a user creates a node they do not have

  access to view. The user will now be redirected to the front page rather than

  an access denied page.

- Fixed a bug which prevented empty HTTP headers (such as "0") from being set.

  (Minor behavior change: Callers of drupal_add_http_header() must now set

  FALSE explicitly to prevent a header from being sent at all; this was already

  indicated in the function's documentation.)

- Fixed OpenID errors when more than one module implements hook_openid(). The

  behavior is now changed so that if more than one module tries to set the same

  parameter, the last module's change takes effect.

- Fixed a serious documentation bug: The $name variable in the

  taxonomy-term.tpl.php theme template was incorrectly documented as being

  sanitized when in fact it is not.

- Fixed a bug which prevented Drupal 6 to Drupal 7 upgrades on sites which had

  duplicate permission names in the User module's database tables.

- Added an empty "datatype" attribute to taxonomy term and username links to

  make the RDFa markup upward compatible with RDFa 1.1 (minor markup addition).

- Fixed a bug which caused the denial-of-service protection added in Drupal

  7.20 to break certain valid image URLs that had an extra slash in them.

- Fixed a bug with update queries in the SQLite database driver that prevented

  Drupal from being installed with SQLite on PHP 5.4.

- Fixed enforced dependencies errors updating to recent versions of Drupal 7 on

  certain non-MySQL databases.

- Refactored the Field module's caching behavior to obtain large improvements

  in memory usage for sites with many fields and instances (API addition:

  http://drupal.org/node/1915646).

- Fixed entity argument not being passed to implementations of

  hook_file_download_access_alter(). The fix adds an additional context

  parameter that can be passed when calling drupal_alter() for any hook (API

  change: http://drupal.org/node/1882722).

- Fixed broken support for translatable comment fields (API change:

  http://drupal.org/node/1874724).

- Added an assertThemeOutput() method to Simpletest to allow tests to check

  that themed output matches an expected HTML string (API addition).

- Added a link to "Install another module" after a module has been successfully

  downloaded via the Update Manager (UI change).

- Added an optional "exclusive" flag to installation profile .info files which

  allows Drupal distributions to force a profile to be selected during

  installation (API addition: http://drupal.org/node/1961012).

- Fixed a bug which caused the database API to not properly close database

  connections.

- Added a link to the URL for running cron from outside the site to the Cron

  settings page (UI change).

- Fixed a bug which prevented image styles from being reverted on PHP 5.4.

- Made the default .htaccess rules protocol sensitive to improve security for

  sites which use HTTPS and redirect between "www" and non-"www" versions of

  the page.

- Numerous small bug fixes.

- Numerous API documentation improvements.

- Additional automated test coverage.

Drupal 7.21, 2013-03-06

-----------------------

- Allowed sites using the 'image_allow_insecure_derivatives' variable to still

  have partial protection from the security issues fixed in Drupal 7.20.

Drupal 7.20, 2013-02-20

-----------------------

- Fixed security issues (denial of service). See SA-CORE-2013-002.

Drupal 7.19, 2013-01-16

-----------------------

- Fixed security issues (multiple vulnerabilities). See SA-CORE-2013-001.

Drupal 7.18, 2012-12-19

-----------------------

- Fixed security issues (multiple vulnerabilities). See SA-CORE-2012-004.

Drupal 7.17, 2012-11-07

-----------------------

- Changed the default value of the '404_fast_html' variable to have a DOCTYPE

  declaration.

- Made it possible to use associative arrays for the 'items' variable in

  theme_item_list().

- Fixed a bug which prevented required form elements without a title from being

  given an "error" class when the form fails validation.

- Prevented duplicate HTML IDs from appearing when two forms are displayed on

  the same page and one of them is submitted with invalid data (minor markup

  change).

- Fixed a bug which prevented Drupal 6 to Drupal 7 upgrades on sites which had

  stale data in the Upload module's database tables.

- Fixed a bug in the States API which prevented certain types of form elements

  from being disabled when requested.

- Allowed aggregator feed items with author names longer than 255 characters to

  have a truncated version saved to the database (rather than causing a fatal

  error).

- Allowed aggregator feed items to have URLs longer than 255 characters

  (schema change which results in several columns in the Aggregator module's

  database tables changing from VARCHAR to TEXT fields).

- Added hook_taxonomy_term_view() and standardized the process for rendering

  taxonomy terms to invoke hook_entity_view() and otherwise make it consistent

  with other entities (API change: http://drupal.org/node/1808870).

- Added hook_entity_view_mode_alter() to allow modules to change entity view

  modes on display (API addition: http://drupal.org/node/1833086).

- Fixed a bug which made database queries running a "LIKE" query on blob fields

  fail on PostgreSQL databases. This caused errors during the Drupal 6 to

  Drupal 7 upgrade.

- Changed the hook_menu() entry for Drupal's rss.xml page to prevent extra path

  components from being accidentally passed to the page callback function (data

  structure change).

- Removed a non-standard "name" attribute from Drupal's default Content-Type

  header for file downloads.

- Fixed the theme settings form to properly clean up submitted values in

  $form_state['values'] when the form is submitted (data structure change).

- Fixed an inconsistency by removing the colon from the end of the label on

  multi-valued form fields (minor string change).

- Added support for 'weight' in hook_field_widget_info() to allow modules to

  control the order in which widgets are displayed in the Field UI.

- Updated various tables in the OpenID and Book modules to use the default

  "empty table" text pattern (string change).

- Added proxy server support to drupal_http_request().

- Added "lang" attributes to language links, to better support screen readers.

- Fixed double occurrence of a "ul" HTML tag on secondary local tasks in the

  Seven theme (markup change).

- Fixed bugs which caused taxonomy vocabulary and shortcut set titles to be

  double-escaped. The fix replaces the taxonomy vocabulary overview page and

  "Edit shortcuts" menu items' title callback entries in hook_menu() with new

  functions that do not escape HTML characters (data structure change).

- Modified the Update manager module to allow drupal.org to collect usage

  statistics for individual modules and themes, rather than only for entire

  projects.

- Modified the node listing database query on Drupal's default front page to

  add table aliases for better query altering (this is a data structure change

  affecting code which implements hook_query_alter() on this query).

- Improved the translatability of the "Field type(s) in use" message on the

  modules page (admin-facing string change).

- Fixed a regression which caused a "call to undefined function

  drupal_find_base_themes()" fatal error under rare circumstances.

- Numerous API documentation improvements.

- Additional automated test coverage.

Drupal 7.16, 2012-10-17

-----------------------

- Fixed security issues (Arbitrary PHP code execution and information

  disclosure). See SA-CORE-2012-003.

Drupal 7.15, 2012-08-01

-----------------------

- Introduced a 'user_password_reset_timeout' variable to allow the 24-hour

  expiration for user password reset links to be adjusted (API addition).

- Fixed database errors due to ambiguous column names that occurred when

  EntityFieldQuery was used in certain situations.

- Changed the drupal_array_get_nested_value() function to return a reference

  (API addition).

- Changed the System module's hook_block_info() implementation to assign the

  "Main page content" and "System help" blocks to appropriate regions by

  default and prevent error messages on the block administration page (data

  structure change).

- Fixed regression: Non-node entities couldn't be accessed with

  EntityFieldQuery.

- Fixed regression: Optional radio buttons with an empty, non-NULL default

  value led to an illegal choice error when none were selected.

- Reorganized the testing framework to split setUp() into specific sub-methods

  and fix several regressions in the process.

- Fixed bug which made it impossible to search for strings that have not been

  translated into a particular language.

- Renamed the "Field" column on the Manage Fields screen to "Field type", since

  the former was confusing and inaccurate (UI change).

- Performance improvement: Removed needless call to system_rebuild_module_data()

  in field_sync_field_status(), greatly speeding up bulk module enable/disable.

- Fixed bug which prevented notifications from being sent when core, module, and

  theme updates are available.

- Fixed bug which prevented sub-themes from inheriting the default values of

  theme settings defined by the base theme.

- Fixed bug which prevented the jQuery UI Datepicker from being localized.

- Made Ajax alert dialogs respect error reporting settings.

- Fixed bug which prevented image styles from being deleted on PHP 5.4.

- Fixed bug: Language detection by domain only worked on port 80.

- Fixed regression: The first plural index on a page was not calculated

  correctly.

- Introduced generic entity language support. Entities may now declare their

  language property in hook_entity_info(), and modules working with entities

  may access the language using entity_language() (API change:

  http://drupal.org/node/1626346).

- Added EntityFieldQuery support for taxonomy bundles.

- Fixed issue where field form structure was incomplete if field_access()

  returned FALSE. Instead of being incomplete, the form structure now has

  #access set to FALSE and field form validation is skipped (data structure

  change: http://drupal.org/node/1663020).

- Fixed data loss issue due to field_has_data() returning inconsistent results.

  The fix adds an optional DANGEROUS_ACCESS_CHECK_OPT_OUT tag to entity field

  queries which field storage engines can respond to (API addition:

  http://drupal.org/node/1597378).

- Fixed notice: Undefined index: default_image in image_field_prepare_view()

- Numerous API documentation improvements.

- Additional automated test coverage.

Drupal 7.14, 2012-05-02

-----------------------

- Fixed "integrity constraint" fatal errors when rebuilding registry.

- Fixed custom logo and favicon functionality referencing incorrect paths.

- Fixed DB Case Sensitivity: Allow BINARY attribute in MySQL.

- Split field_bundle_settings out per bundle.

- Improve UX for machine names for fields (UI change).

- Fixed User pictures are not removed properly.

- Fixed HTTPS sessions not working in all cases.

- Fixed Regression: Required radios throw illegal choice error when none

  selected.

- Fixed allow autocompletion requests to include slashes.

- Eliminate $user->cache and {session}.cache in favor of

  $_SESSION['cache_expiration'][$bin] (Performance).

- Fixed focus jumps to tab when pressing enter on a form element within tab.

- Fixed race condition in locale() - duplicates in {locales_source}.

- Fixed Missing "Default image" per field instance.

- Quit clobbering people's work when they click the filter tips link

- Form API #states: Fix conditionals to allow OR and XOR constructions.

- Fixed Focus jumps to tab when pressing enter on a form element within tab.

  (Accessibility)

- Improved performance of node_access queries.

- Fixed Fieldsets inside vertical tabs have no title and can't be collapsed.

- Reduce size of cache_menu table (Performance).

- Fixed unnecessary aggregation of CSS/JS (Performance).

- Fixed taxonomy_autocomplete() produces SQL error for nonexistent field.

- Fixed HTML filter is not run first by default, despite default weight.

- Fixed Overlay does not work with prefixed URL paths.

- Better debug info for field errors (string change).

- Fixed Data corruption in comment IDs (results in broken threading on

  PostgreSQL).

- Fixed machine name not editable if every character is replaced.

- Fixed user picture not appearing in comment preview (Markup change).

- Added optional vid argument for taxonomy_get_term_by_name().

- Fixed Invalid Unicode code range in PREG_CLASS_UNICODE_WORD_BOUNDARY fails

  with PCRE 8.30.

- Fixed {trigger_assignments()}.hook has only 32 characters, is too short.

- Numerous fixes to run-tests.sh.

- Fixed Tests in profiles/[name]/modules cannot be run and cannot use a

  different profile for running tests.

- Numerous JavaScript performance fixes.

- Numerous documentation fixes.

- Fixed All pager links have an 'active' CSS class.

- Numerous upgrade path fixes; notably:

  - system_update_7061() fails on inserting files with same name but different

    case.

  - system_update_7061() converts filepaths too aggressively.

  - Trigger upgrade path: Node triggers removed when upgrading to 7-x from 6.25.

Drupal 7.13, 2012-05-02

-----------------------

- Fixed security issues (Multiple vulnerabilities), see SA-CORE-2012-002.

Drupal 7.12, 2012-02-01

-----------------------

- Fixed bug preventing custom menus from receiving an active trail.

- Fixed hook_field_delete() no longer invoked during field_purge_data().

- Fixed bug causing entity info cache to not be cleared with the rest of caches.

- Fixed file_unmanaged_copy() fails with Drupal 7.7+ and safe_mode() or

  open_basedir().

- Fixed Nested transactions throw exceptions when they got out of scope.

- Fixed bugs with the Return-Path when sending mail on both Windows and

  non-Windows systems.

- Fixed bug with DrupalCacheArray property visibility preventing others from

  extending it (API change: http://drupal.org/node/1422264).

- Fixed bug with handling of non-ASCII characters in file names (API change:

  http://drupal.org/node/1424840).

- Reconciled field maximum length with database column size in image and

  aggregator modules.

- Fixes to various core JavaScript files to allow for minification and

  aggregation.

- Fixed Prevent tests from deleting main installation's tables when

  parent::setUp() is not called.

- Fixed several Poll module bugs.

- Fixed several Shortcut module bugs.

- Added new hook_system_theme_info() to provide ability for contributed modules

  to test theme functionality.

- Added ability to cancel mail sending from hook_mail_alter().

- Added support for configurable PDO connection options, enabling master-master

  database replication.

- Numerous improvements to tests and test runner to pave the way for faster test

  runs.

- Expanded test coverage.

- Numerous API documentation improvements.

- Numerous performance improvements, including token replacement and render

  cache.

Drupal 7.11, 2012-02-01

-----------------------

- Fixed security issues (Multiple vulnerabilities), see SA-CORE-2012-001.

Drupal 7.10, 2011-12-05

-----------------------

- Fixed Content-Language HTTP header to not cause issues with Drush 5.x.

- Reduce memory usage of theme registry (performance).

- Fixed PECL upload progress bar for FileField

- Fixed running update.php doesn't always clear the cache.

- Fixed PDO exceptions on long titles.

- Fixed Overlay redirect does not include query string.

- Fixed D6 modules satisfy D7 module dependencies.

- Fixed the ordering of module hooks when using module_implements_alter().

- Fixed "floating" submit buttons during AJAX requests.

- Fixed timezone selected on install not propogating to admin account.

- Added msgctx context to JS translation functions, for feature parity with t().

- Profiles' .install files now available during hook_install_tasks().

- Added test coverage of 7.0 -> 7.x upgrade path.

- Numerous notice fixes.

- Numerous documentation improvements.

- Additional automated test coverage.

Drupal 7.9, 2011-10-26

----------------------

- Critical fixes to OpenID to spec violations that could allow for

  impersonation in certain scenarios. Existing OpenID users should see

  http://drupal.org/node/1120290#comment-5092796 for more information on

  transitioning.

- Fixed files getting lost when adding multiple files to multiple file fields

  at the same time.

- Improved usability of the clean URL test screens.

- Restored height/width attributes on images run through the theme system.

- Fixed usability bug with first password field being pre-filled by certain

  browser plugins.

- Fixed file_usage_list() so that it can return more than one result.

- Fixed bug preventing preview of private images on node form.

- Fixed PDO error when inserting an aggregator title longer than 255 characters.

- Spelled out what TRADITIONAL means in MySQL sql_mode.

- Deprecated "!=" operator for DBTNG; should be "<>".

- Added two new API functions (menu_tree_set_path()/menu_tree_get_path()) were

  added in order to enable setting the active menu trail for dynamically

  generated menu paths.

- Added new "fast 404" capability in settings.php to bypass Drupal bootstrap

  when serving 404 pages for certain file types.

- Added format_string() function which can perform string munging ala the t()

  function without the overhead of the translation system.

- Numerous #states system fixes.

- Numerous EntityFieldQuery, DBTNG, and SQLite fixes.

- Numerous Shortcut module fixes.

- Numerous language system fixes.

- Numerous token fixes.

- Numerous CSS fixes.

- Numerous upgrade path fixes.

- Numerous minor string fixes.

- Numerous notice fixes.

Drupal 7.8, 2011-08-31

----------------------

- Fixed critical upgrade path issue with multilingual sites, leading to lost

  content.

- Numerous fixes to upgrade path, preventing fatal errors due to incorrect

  dependencies.

- Fixed issue with saving files on hosts with open_basedir restrictions.

- Fixed Update manger error when used with Overlay.

- Fixed RTL support in Seven administration theme and Overlay.

- Fixes to nested transaction support.

- Introduced performance pattern to reduce Drupal core's RAM usage.

- Added support for HTML 5 tags to filter_xss_admin().

- Added exception handling to cron.

- Added new hook hook_field_widget_form_alter() for contribtued modules.

- element_validate_*() functions now available to contrib.

- Added new maintainers for several subsystems.

- Numerous testing system improvements.

- Numerous markup and CSS fixes.

- Numerous poll module fixes.

- Numerous notice/warning fixes.

- Numerous documentation fixes.

- Numerous token fixes.

Drupal 7.7, 2011-07-27

----------------------

- Fixed VERSION string.

Drupal 7.6, 2011-07-27

----------------------

- Fixed support for remote streamwrappers.

- AJAX now binds to 'click' instead of 'mousedown'.

- 'Translatable' flag on fields created in UI now defaults to FALSE, to match those created via the API.

- Performance enhancement to permissions page on large numbers of permissions.

- More secure password generation.

- Fix for temporary directory on Windows servers.

- run-tests.sh now uses proc_open() instead of pcntl_fork() for better Windows support.

- Numerous upgrade path fixes.

- Numerous documentation fixes.

- Numerous notice fixes.

- Numerous fixes to improve PHP 5.4 support.

- Numerous RTL improvements.

Drupal 7.5, 2011-07-27

----------------------

- Fixed security issue (Access bypass), see SA-CORE-2011-003.

Drupal 7.4, 2011-06-29

----------------------

- Rolled back patch that caused fatal errors in CTools, Feeds, and other modules using the class registry.

- Fixed critical bug with saving default images.

- Fixed fatal errors when uninstalling some modules.

- Added workaround for MySQL transaction support breaking on DDL statments.

- Improved page caching with external caching systems.

- Fix to Batch API, which was terminating too early.

- Numerous upgrade path fixes.

- Performance fixes.

- Additional test coverage.

- Numerous documentation fixes.

Drupal 7.3, 2011-06-29

----------------------

- Fixed security issue (Access bypass), see SA-CORE-2011-002.

Drupal 7.2, 2011-05-25

----------------------

- Added a default .gitignore file.

- Improved PostgreSQL and SQLite support.

- Numerous critical performance improvements.

- Numerous critical fixes to the upgrade path.

- Numerous fixes to language and translation systems.

- Numerous fixes to AJAX and #states systems.

- Improvements to the locking system.

- Numerous documentation fixes.

- Numerous styling and theme system fixes.

- Numerous fixes for schema mis-matches between Drupal 6 and 7.

- Minor internal API clean-ups.

Drupal 7.1, 2011-05-25

----------------------

- Fixed security issues (Cross site scripting, File access bypass), see SA-CORE-2011-001.

Drupal 7.0, 2011-01-05 

----------------------

- Database:

    * Fully rewritten database layer utilizing PHP 5's PDO abstraction layer.

    * Drupal now requires MySQL >= 5.0.15 or PostgreSQL >= 8.3.

    * Added query builders for INSERT, UPDATE, DELETE, MERGE, and SELECT queries.

    * Support for master/slave replication, transactions, multi-insert queries,

      and other features.

    * Added support for the SQLite database engine.

    * Default to InnoDB engine, rather than MyISAM, on MySQL when available.

      This offers increased scalability and data integrity.

- Security:

    * Protected cron.php -- cron will only run if the proper key is provided.

    * Implemented a pluggable password system and much stronger password hashes

      that are compatible with the Portable PHP password hashing framework.

    * Rate limited login attempts to prevent brute-force password guessing, and

      improved the flood control API to allow variable time windows and

      identifiers for limiting user access to resources.

    * Transformed the "Update status" module into the "Update manager" which

      can securely install or update modules and themes via a web interface.

- Usability:

    * Added contextual links (a.k.a. local tasks) to page elements, such as

      blocks, nodes, or comments, which allows to perform the most common tasks

      with a single click only.

    * Improved installer requirements check.

    * Improved support for integration of WYSIWYG editors.

    * Implemented drag-and-drop positioning for input format listings.

    * Implemented drag-and-drop positioning for language listing.

    * Implemented drag-and-drop positioning for poll options.

    * Provided descriptions and human-readable names for user permissions.

    * Removed comment controls for users.

    * Removed display order settings for comment module. Comment display

      order can now be customized using the Views module.

    * Removed the 'related terms' feature from taxonomy module since this can

      now be achieved with Field API.

    * Added additional features to the default installation profile, and

      implemented a "slimmed down" profile designed for developers.

    * Added a built-in, automated cron run feature, which is triggered by site

      visitors.

    * Added an administrator role which is assigned all permissions for

      installed modules automatically.

    * Image toolkits are now provided by modules (rather than requiring a

      manual file copy to the includes directory).

    * Added an edit tab to taxonomy term pages.

    * Redesigned password strength validator.

    * Redesigned the add content type screen.

    * Highlight duplicate URL aliases.

    * Renamed "input formats" to "text formats".

    * Moved text format permissions to the main permissions page.

    * Added configurable ability for users to cancel their own accounts.

    * Added "vertical tabs", a reusable interface component that features

      automatic summaries and increases usability.

    * Replaced fieldsets on node edit and add pages with vertical tabs.

- Performance:

    * Improved performance on uncached page views by loading multiple core

      objects in a single database query.

    * Improved performance for logged-in users by reducing queries for path

      alias lookups.

    * Improved support for HTTP proxies (including reverse proxies), allowing

      anonymous page views to be served entirely from the proxy.

- Documentation:

    * Hook API documentation now included in Drupal core.

- News aggregator:

    * Added OPML import functionality for RSS feeds.

    * Optionally, RSS feeds may be configured to not automatically generate feed blocks.

- Search:

    * Added support for language-aware searches.

- Aggregator:

    * Introduced architecture that allows pluggable parsers and processors for

      syndicating RSS and Atom feeds.

    * Added options to suspend updating specific feeds and never discard feeds

      items.

- Testing:

    * Added test framework and tests.

- Improved time zone support:

    * Drupal now uses PHP's time zone database when rendering dates in local

      time. Site-wide and user-configured time zone offsets have been converted

      to time zone names, e.g. Africa/Abidjan.

    * In some cases the upgrade and install scripts do not choose the preferred

      site default time zone. The automatically-selected time zone can be

      corrected at admin/config/regional/settings.

    * If your site is being upgraded from Drupal 6 and you do not have the

      contributed date or event modules installed, user time zone settings will

      fallback to the system time zone and will have to be reconfigured by each user.

    * User-configured time zones now serve as the default time zone for PHP

      date/time functions.

- Filter system:

    * Revamped the filter API and text format storage.

    * Added support for default text formats to be assigned on a per-role basis.

    * Refactored the HTML corrector to take advantage of PHP 5 features.

- User system:

    * Added clean API functions for creating, loading, updating, and deleting

      user roles and permissions.

    * Refactored the "access rules" component of user module: The user module

      now provides a simple interface for blocking single IP addresses. The

      previous functionality in the user module for restricting certain e-mail

      addresses and usernames is now available as a contributed module. Further,

      IP address range blocking is no longer supported and should be implemented

      at the operating system level.

    * Removed per-user themes: Contributed modules with similar functionality

      are available.

- OpenID:

    * Added support for Gmail and Google Apps for Domain identifiers. Users can

      now login with their user@example.com identifier when example.com is powered

      by Google.

    * Made the OpenID module more pluggable.

- Added code registry:

    * Using the registry, modules declare their includable files via their .info file,

      allowing Drupal to lazy-load classes and interfaces as needed.

- Theme system:

    * Removed the Bluemarine, Chameleon and Pushbutton themes. These themes live

      on as contributed themes (http://drupal.org/project/bluemarine,

      http://drupal.org/project/chameleon and http://drupal.org/project/pushbutton).

    * Added Stark theme to make analyzing Drupal's default HTML and CSS easier.

    * Added Seven as the default administration theme.

    * Variable preprocessing of theme hooks prior to template rendering now goes

      through two phases: a 'preprocess' phase and a new 'process' phase. See

      http://api.drupal.org/api/function/theme/7 for details.

    * Theme hooks implemented as functions (rather than as templates) can now

      also have preprocess (and process) functions. See

      http://api.drupal.org/api/function/theme/7 for details.

    * Added Bartik as the default theme.

- File handling:

    * Files are now first class Drupal objects with file_load(), file_save(),

      and file_validate() functions and corresponding hooks.

    * The file_move(), file_copy() and file_delete() functions now operate on

      file objects and invoke file hooks so that modules are notified and can

      respond to changes.

    * For the occasions when only basic file manipulation are needed--such as

      uploading a site logo--that don't require the overhead of databases and

      hooks, the current unmanaged copy, move and delete operations have been

      preserved but renamed to file_unmanaged_*().

    * Rewrote file handling to use PHP stream wrappers to enable support for

      both public and private files and to support pluggable storage mechanisms

      and access to remote resources (e.g. S3 storage or Flickr photos).

    * The mime_extension_mapping variable has been removed. Modules that need to

      alter the default MIME type extension mappings should implement

      hook_file_mimetype_mapping_alter().

    * Added the hook_file_url_alter() hook, which makes it possible to serve

      files from a CDN.

    * Added a field specifically for uploading files, previously provided by

      the contributed module FileField.

- Image handling:

    * Improved image handling, including better support for add-on image

      libraries.

    * Added API and interface for creating advanced image thumbnails.

    * Inclusion of additional effects such as rotate and desaturate.

    * Added a field specifically for uploading images, previously provided by

      the contributed module ImageField.

- Added aliased multi-site support:

    * Added support for mapping domain names to sites directories.

- Added RDF support:

    * Modules can declare RDF namespaces which are serialized in the <html> tag

      for RDFa support.

    * Modules can specify how their data structure maps to RDF.

    * Added support for RDFa export of nodes, comments, terms, users, etc. and

      their fields.

- Search engine optimization and web linking:

    * Added a rel="canonical" link on node and comment pages to prevent

      duplicate content indexing by search engines.

    * Added a default rel="shortlink" link on node and comment pages that

      advertises a short link as an alternative URL to third-party services.

    * Meta information is now alterable by all modules before rendering.

- Field API:

    * Custom data fields may be attached to nodes, users, comments and taxonomy

      terms.

    * Node bodies and teasers are now Field API fields instead of

      being a hard-coded property of node objects.

    * In addition, any other object type may register with Field API

      and allow custom data fields to be attached to itself.

    * Provides most of the features of the former Content Construction

      Kit (CCK) module.

    * Taxonomy terms are now Field API fields that can be added to any fieldable

      object.

- Installer:

    * Refactored the installer into an API that allows Drupal to be installed

      via a command line script.

- Page organization

    * Made the help text area a full featured region with blocks.

    * Site mission is replaced with the highlighted content block region and

      separate RSS feed description settings.

    * The footer message setting was removed in favor of custom blocks.

    * Made the main page content a block which can be moved and ordered

      with other blocks in the same region.

    * Blocks can now return structured arrays for later rendering just

      like page callbacks.

- Translation system

    * The translation system now supports message context (msgctxt).

    * Added support for translatable fields to Field API.

- JavaScript changes

    * Upgraded the core JavaScript library to jQuery version 1.4.4.

    * Upgraded the jQuery Forms library to 2.52.

    * Added jQuery UI 1.8.7, which allows improvements to Drupal's user

      experience.

- Better module version support

    * Modules now can specify which version of another module they depend on.

- Removed modules from core

    * The following modules have been removed from core, because contributed

      modules with similar functionality are available:

      * Blog API module

      * Ping module

      * Throttle module

- Improved node access control system.

    * All modules may now influence the access to a node at runtime, not just

      the module that defined a node.

    * Users may now be allowed to bypass node access restrictions without giving

      them complete access to the site.

    * Access control affects both published and unpublished nodes.

    * Numerous other improvements to the node access system.

- Actions system

    * Simplified definitions of actions and triggers.

    * Removed dependency on the combination of hooks and operations. Triggers

      now directly map to module hooks.

- Task handling

    * Added a queue API to process many or long-running tasks.

    * Added queue API support to cron API.

    * Added a locking framework to coordinate long-running operations across

      requests.

Drupal 6.23-dev, xxxx-xx-xx (development release)

---------------------------

Drupal 6.22, 2011-05-25

-----------------------

- Made Drupal 6 work better with IIS and Internet Explorer.

- Fixed .po file imports to work better with custom textgroups.

- Improved code documentation at various places.

- Fixed a variety of other bugs.

Drupal 6.21, 2011-05-25

-----------------------

- Fixed security issues (Cross site scripting), see SA-CORE-2011-001.

Drupal 6.20, 2010-12-15

-----------------------

- Fixed a variety of small bugs, improved code documentation.

Drupal 6.19, 2010-08-11

-----------------------

- Fixed a variety of small bugs, improved code documentation.

Drupal 6.18, 2010-08-11

-----------------------

- Fixed security issues (OpenID authentication bypass, File download access

  bypass, Comment unpublishing bypass, Actions cross site scripting),

  see SA-CORE-2010-002.

Drupal 6.17, 2010-06-02

-----------------------

- Improved PostgreSQL compatibility

- Better PHP 5.3 and PHP 4 compatibility

- Better browser compatibility of CSS and JS aggregation

- Improved logging for login failures

- Fixed an incompatibility with some contributed modules and the locking system

- Fixed a variety of other bugs.

Drupal 6.16, 2010-03-03

-----------------------

- Fixed security issues (Installation cross site scripting, Open redirection,

  Locale module cross site scripting, Blocked user session regeneration),

  see SA-CORE-2010-001.

- Better support for updated jQuery versions.

- Reduced resource usage of update.module.

- Fixed several issues relating to support of installation profiles and

  distributions.

- Added a locking framework to avoid data corruption on long operations.

- Fixed a variety of other bugs.

Drupal 6.15, 2009-12-16

-----------------------

- Fixed security issues (Cross site scripting), see SA-CORE-2009-009.

- Fixed a variety of other bugs.

Drupal 6.14, 2009-09-16

-----------------------

- Fixed security issues (OpenID association cross site request forgeries,

  OpenID impersonation and File upload), see SA-CORE-2009-008.

- Changed the system modules page to not run all cache rebuilds; use the

  button on the performance settings page to achieve the same effect.

- Added support for PHP 5.3.0 out of the box.

- Fixed a variety of small bugs.

Drupal 6.13, 2009-07-01

-----------------------

- Fixed security issues (Cross site scripting, Input format access bypass and

  Password leakage in URL), see SA-CORE-2009-007.

- Fixed a variety of small bugs.

Drupal 6.12, 2009-05-13

-----------------------

- Fixed security issues (Cross site scripting), see SA-CORE-2009-006.

- Fixed a variety of small bugs.

Drupal 6.11, 2009-04-29

-----------------------

- Fixed security issues (Cross site scripting and limited information

  disclosure), see SA-CORE-2009-005

- Fixed performance issues with the menu router cache, the update

  status cache and improved cache invalidation

- Fixed a variety of small bugs.

Drupal 6.10, 2009-02-25

-----------------------

- Fixed a security issue, (Local file inclusion on Windows),

  see SA-CORE-2009-003

- Fixed node_feed() so custom fields can show up in RSS feeds.

- Improved PostgreSQL compatibility.

- Fixed a variety of small bugs.

Drupal 6.9, 2009-01-14

----------------------

- Fixed security issues, (Access Bypass, Validation Bypass and Hardening

  against SQL injection), see SA-CORE-2009-001

- Made HTTP request checking more robust and informative.

- Fixed HTTP_HOST checking to work again with HTTP 1.0 clients and

  basic shell scripts.

- Removed t() calls from all schema documentation. Suggested best practice

  changed for contributed modules, see http://drupal.org/node/322731.

- Fixed a variety of small bugs.

Drupal 6.8, 2008-12-11

----------------------

- Removed a previous change incompatible with PHP 5.1.x and lower.

Drupal 6.7, 2008-12-10

----------------------

- Fixed security issues, (Cross site request forgery and Cross site scripting), see SA-2008-073

- Updated robots.txt and .htaccess to match current file use.

- Fixed a variety of small bugs.

Drupal 6.6, 2008-10-22

----------------------

- Fixed security issues, (File inclusion, Cross site scripting), see SA-2008-067

- Fixed a variety of small bugs.

Drupal 6.5, 2008-10-08

----------------------

- Fixed security issues, (File upload access bypass, Access rules bypass,

  BlogAPI access bypass), see SA-2008-060.

- Fixed a variety of small bugs.

Drupal 6.4, 2008-08-13

----------------------

- Fixed a security issue (Cross site scripting, Arbitrary file uploads via

  BlogAPI, Cross site request forgeries and Various Upload module

  vulnerabilities), see SA-2008-047.

- Improved error messages during installation.

- Fixed a bug that prevented AHAH handlers to be attached to radios widgets.

- Fixed a variety of small bugs.

Drupal 6.3, 2008-07-09

----------------------

- Fixed security issues, (Cross site scripting, cross site request forgery,

  session fixation and SQL injection), see SA-2008-044.

- Slightly modified installation process to prevent file ownership issues on

  shared hosts.

- Improved PostgreSQL compatibility (rewritten queries; custom blocks).

- Upgraded to jQuery 1.2.6.

- Performance improvements to search, menu handling and form API caches.

- Fixed Views compatibility issues (Views for Drupal 6 requires Drupal 6.3+).

- Fixed a variety of small bugs.

Drupal 6.2, 2008-04-09

----------------------

- Fixed a variety of small bugs.

- Fixed a security issue (Access bypasses), see SA-2008-026.

Drupal 6.1, 2008-02-27

----------------------

- Fixed a variety of small bugs.

- Fixed a security issue (Cross site scripting), see SA-2008-018.

Drupal 6.0, 2008-02-13

----------------------

- New, faster and better menu system.

- New watchdog as a hook functionality.

   * New hook_watchdog that can be implemented by any module to route log

     messages to various destinations.

   * Expands the severity levels from 3 (Error, Warning, Notice) to the 8

     levels defined in RFC 3164.

   * The watchdog module is now called dblog, and is optional, but enabled by

     default in the default installation profile.

   * Extended the database log module so log messages can be filtered.

   * Added syslog module: useful for monitoring large Drupal installations.

- Added optional e-mail notifications when users are approved, blocked, or

  deleted.

- Drupal works with error reporting set to E_ALL.

- Added scripts/drupal.sh to execute Drupal code from the command line. Useful

  to use Drupal as a framework to build command-line tools.

- Made signature support optional and made it possible to theme signatures.

- Made it possible to filter the URL aliases on the URL alias administration

  screen.

- Language system improvements:

    * Support for right to left languages.

    * Language detection based on parts of the URL.

    * Browser based language detection.

    * Made it possible to specify a node's language.

    * Support for translating posts on the site to different languages.

    * Language dependent path aliases.

    * Automatically import translations when adding a new language.

    * JavaScript interface translation.

    * Automatically import a module's translation upon enabling that module.

- Moved "PHP input filter" to a standalone module so it can be deleted for

  security reasons.

- Usability:

    * Improved handling of teasers in posts.

    * Added sticky table headers.

    * Check for clean URL support automatically with JavaScript.

    * Removed default/settings.php. Instead the installer will create it from

      default.settings.php.

    * Made it possible to configure your own date formats.

    * Remember anonymous comment posters.

    * Only allow modules and themes to be enabled that have explicitly been

      ported to the correct core API version.

    * Can now specify the minimum PHP version required for a module within the

      .info file.

    * Drupal core no longer requires CREATE TEMPORARY TABLES or LOCK TABLES

      database rights.

    * Dynamically check password strength and confirmation.

    * Refactored poll administration.

    * Implemented drag-and-drop positioning for blocks, menu items, taxonomy

      vocabularies and terms, forums, profile fields, and input format filters.

- Theme system:

    * Added .info files to themes and made it easier to specify regions and

      features.

    * Added theme registry: modules can directly provide .tpl.php files for

      their themes without having to create theme_ functions.

    * Used the Garland theme for the installation and maintenance pages.

    * Added theme preprocess functions for themes that are templates.

    * Added support for themeable functions in JavaScript.

- Refactored update.php to a generic batch API to be able to run time-consuming

  operations in multiple subsequent HTTP requests.

- Installer:

    * Themed the installer with the Garland theme.

    * Added form to provide initial site information during installation.

    * Added ability to provide extra installation steps programmatically.

    * Made it possible to import interface translations during installation.

- Added the HTML corrector filter:

    * Fixes faulty and chopped off HTML in postings.

    * Tags are now automatically closed at the end of the teaser.

- Performance:

    * Made it easier to conditionally load .include files and split up many core

      modules.

    * Added a JavaScript aggregator.

    * Added block-level caching, improving performance for both authenticated

      and anonymous users.

    * Made Drupal work correctly when running behind a reverse proxy like

      Squid or Pound.

- File handling improvements:

    * Entries in the files table are now keyed to a user instead of a node.

    * Added reusable validation functions to check for uploaded file sizes,

      extensions, and image resolution.

    * Added ability to create and remove temporary files during a cron job.

- Forum improvements:

    * Any node type may now be posted in a forum.

- Taxonomy improvements:

    * Descriptions for terms are now shown on taxonomy/term pages as well

      as RSS feeds.

    * Added versioning support to categories by associating them with node

      revisions.

- Added support for OpenID.

- Added support for triggering configurable actions.

- Added the Update status module to automatically check for available updates

  and warn sites if they are missing security updates or newer versions.

  Sites deploying from CVS should use http://drupal.org/project/cvs_deploy.

  Advanced settings provided by http://drupal.org/project/update_advanced.

- Upgraded the core JavaScript library to jQuery version 1.2.3.

- Added a new Schema API, which provides built-in support for core and

  contributed modules to work with databases other than MySQL.

- Removed drupal.module. The functionality lives on as the Site network

  contributed module (http://drupal.org/project/site_network).

- Removed old system updates. Updates from Drupal versions prior to 5.x will

  require upgrading to 5.x before upgrading to 6.x.

Drupal 5.23, 2010-08-11

-----------------------

- Fixed security issues (File download access bypass, Comment unpublishing

  bypass), see SA-CORE-2010-002.

Drupal 5.22, 2010-03-03

-----------------------

- Fixed security issues (Open redirection, Locale module cross site scripting,

  Blocked user session regeneration), see SA-CORE-2010-001.

Drupal 5.21, 2009-12-16

-----------------------

- Fixed a security issue (Cross site scripting), see SA-CORE-2009-009.

- Fixed a variety of small bugs.

Drupal 5.20, 2009-09-16

-----------------------

- Avoid security problems resulting from writing Drupal 6-style menu

  declarations.

- Fixed security issues (session fixation), see SA-CORE-2009-008.

- Fixed a variety of small bugs.

Drupal 5.19, 2009-07-01

-----------------------

- Fixed security issues (Cross site scripting and Password leakage in URL), see

  SA-CORE-2009-007.          

- Fixed a variety of small bugs.

Drupal 5.18, 2009-05-13

-----------------------

- Fixed security issues (Cross site scripting), see SA-CORE-2009-006.

- Fixed a variety of small bugs.

Drupal 5.17, 2009-04-29

-----------------------

- Fixed security issues (Cross site scripting and limited information

  disclosure) see SA-CORE-2009-005.

- Fixed a variety of small bugs.

Drupal 5.16, 2009-02-25

-----------------------

- Fixed a security issue, (Local file inclusion on Windows), see SA-CORE-2009-004.

- Fixed a variety of small bugs.

Drupal 5.15, 2009-01-14

-----------------------

- Fixed security issues, (Hardening against SQL injection), see

  SA-CORE-2009-001

- Fixed HTTP_HOST checking to work again with HTTP 1.0 clients and basic shell

  scripts.

- Fixed a variety of small bugs.

Drupal 5.14, 2008-12-11

-----------------------

- removed a previous change incompatible with PHP 5.1.x and lower.

Drupal 5.13, 2008-12-10

-----------------------

- fixed a variety of small bugs.

- fixed security issues, (Cross site request forgery and Cross site scripting), see SA-2008-073

- updated robots.txt and .htaccess to match current file use.

Drupal 5.12, 2008-10-22

-----------------------

- fixed security issues, (File inclusion), see SA-2008-067

Drupal 5.11, 2008-10-08

-----------------------

- fixed a variety of small bugs.

- fixed security issues, (File upload access bypass, Access rules bypass,

  BlogAPI access bypass, Node validation bypass), see SA-2008-060

Drupal 5.10, 2008-08-13

-----------------------

- fixed a variety of small bugs.

- fixed security issues, (Cross site scripting, Arbitrary file uploads via

  BlogAPI and Cross site request forgery), see SA-2008-047

Drupal 5.9, 2008-07-23

----------------------

- fixed a variety of small bugs.

- fixed security issues, (Session fixation), see SA-2008-046

Drupal 5.8, 2008-07-09

----------------------

- fixed a variety of small bugs.

- fixed security issues, (Cross site scripting, cross site request forgery, and

  session fixation), see SA-2008-044

Drupal 5.7, 2008-01-28

----------------------

- fixed the input format configuration page.

- fixed a variety of small bugs.

Drupal 5.6, 2008-01-10

----------------------

- fixed a variety of small bugs.

- fixed a security issue (Cross site request forgery), see SA-2008-005

- fixed a security issue (Cross site scripting, UTF8), see SA-2008-006

- fixed a security issue (Cross site scripting, register_globals), see SA-2008-007

Drupal 5.5, 2007-12-06

----------------------

- fixed missing missing brackets in a query in the user module.

- fixed taxonomy feed bug introduced by SA-2007-031

Drupal 5.4, 2007-12-05

----------------------

- fixed a variety of small bugs.

- fixed a security issue (SQL injection), see SA-2007-031

Drupal 5.3, 2007-10-17

----------------------

- fixed a variety of small bugs.

- fixed a security issue (HTTP response splitting), see SA-2007-024

- fixed a security issue (Arbitrary code execution via installer), see SA-2007-025

- fixed a security issue (Cross site scripting via uploads), see SA-2007-026

- fixed a security issue (User deletion cross site request forgery), see SA-2007-029

- fixed a security issue (API handling of unpublished comment), see SA-2007-030

Drupal 5.2, 2007-07-26

----------------------

- changed hook_link() $teaser argument to match documentation.

- fixed a variety of small bugs.

- fixed a security issue (cross-site request forgery), see SA-2007-017

- fixed a security issue (cross-site scripting), see SA-2007-018

Drupal 5.1, 2007-01-29

----------------------

- fixed security issue (code execution), see SA-2007-005

- fixed a variety of small bugs.

Drupal 5.0, 2007-01-15

----------------------

- Completely retooled the administration page

    * /Admin now contains an administration page which may be themed

    * Reorganised administration menu items by task and by module

    * Added a status report page with detailed PHP/MySQL/Drupal information

- Added web-based installer which can:

    * Check installation and run-time requirements

    * Automatically generate the database configuration file

    * Install pre-made installation profiles or distributions

    * Import the database structure with automatic table prefixing

    * Be localized

- Added new default Garland theme

- Added color module to change some themes' color schemes

- Included the jQuery JavaScript library 1.0.4 and converted all core JavaScript to use it

- Introduced the ability to alter mail sent from system

- Module system:

    * Added .info files for module meta-data

    * Added support for module dependencies

    * Improved module installation screen

    * Moved core modules to their own directories

    * Added support for module uninstalling

- Added support for different cache backends

- Added support for a generic "sites/all" directory.

- Usability:

    * Added support for auto-complete forms (AJAX) to user profiles.

    * Made it possible to instantly assign roles to newly created user accounts.

    * Improved configurability of the contact forms.

    * Reorganized the settings pages.

    * Made it easy to investigate popular search terms.

    * Added a 'select all' checkbox and a range select feature to administration tables.

    * Simplified the 'break' tag to split teasers from body.

    * Use proper capitalization for titles, menu items and operations.

- Integrated urlfilter.module into filter.module

- Block system:

    * Extended the block visibility settings with a role specific setting.

    * Made it possible to customize all block titles.

- Poll module:

    * Optionally allow people to inspect all votes.

    * Optionally allow people to cancel their vote.

- Distributed authentication:

    * Added default server option.

- Added default robots.txt to control crawlers.

- Database API:

    * Added db_table_exists().

- Blogapi module:

    * 'Blogapi new' and 'blogapi edit' nodeapi operations.

- User module:

    * Added hook_profile_alter().

    * E-mail verification is made optional.

    * Added mass editing and filtering on admin/user/user.

- PHP Template engine:

    * Add the ability to look for a series of suggested templates.

    * Look for page templates based upon the path.

    * Look for block templates based upon the region, module, and delta.

- Content system:

    * Made it easier for node access modules to work well with each other.

    * Added configurable content types.

    * Changed node rendering to work with structured arrays.

- Performance:

    * Improved session handling: reduces database overhead.

    * Improved access checking: reduces database overhead.

    * Made it possible to do memcached based session management.

    * Omit sidebars when serving a '404 - Page not found': saves CPU cycles and bandwidth.

    * Added an 'aggressive' caching policy.

    * Added a CSS aggregator and compressor (up to 40% faster page loads).

- Removed the archive module.

- Upgrade system:

    * Created space for update branches.

- Form API:

    * Made it possible to programmatically submit forms.

    * Improved api for multistep forms.

- Theme system:

    * Split up and removed drupal.css.

    * Added nested lists generation.

    * Added a self-clearing block class.

Drupal 4.7.11, 2008-01-10

-------------------------

- fixed a security issue (Cross site request forgery), see SA-2008-005

- fixed a security issue (Cross site scripting, UTF8), see SA-2008-006

- fixed a security issue (Cross site scripting, register_globals), see SA-2008-007

Drupal 4.7.10, 2007-12-06

-------------------------

- fixed taxonomy feed bug introduced by SA-2007-031

Drupal 4.7.9, 2007-12-05

------------------------

- fixed a security issue (SQL injection), see SA-2007-031

Drupal 4.7.8, 2007-10-17

------------------------

- fixed a security issue (HTTP response splitting), see SA-2007-024

- fixed a security issue (Cross site scripting via uploads), see SA-2007-026

- fixed a security issue (API handling of unpublished comment), see SA-2007-030