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   1  This files describes API changes in /blocks/* - activity modules,
   2  information provided here is intended especially for developers.
   3  
   4  === 3.1 ===
   5  
   6  * The collapsed class was removed from the navigation block to make it compatible with aria.
   7  * New aria attributes were added on the navigation block [aria-expanded="false"].
   8  * The tree JS handling were moved from YUI to AMD module (Jquery).
   9  
  10  === 2.9 ===
  11  
  12  * The obsolete method preferred_width() was removed (it was not doing anything)
  13  * Deprecated block_base::config_save as is not called anywhere and should not be used.
  14  * Added instance_copy() function to the block_base class. This function allows for block
  15    specific data to be copied when a block is copied.
  16  
  17  === 2.8 ===
  18  
  19  * The instance_config_print() function was removed. It was deprecated in
  20    Moodle 2.0, but without debugging notices. Since it was no longer a part
  21    of the code path, debugging notices would not have been displayed.
  22  * Deprecated functions were removed from the block_base class:
  23  ** _print_block()
  24  ** _print_shadow()
  25  ** _title_html()
  26  ** _add_edit_controls()
  27  ** config_print()
  28  
  29  === 2.6 ===
  30  
  31  * Deprecated /admin/block.php was removed, make sure blocks are using settings.php instead.
  32  
  33  === 2.4 ===
  34  
  35  Created new capability 'blocks/xxx:myaddinstance' that determines whether a user can add
  36  a specific block to their My Home page. This capability was only defined for blocks where
  37  the applicable_formats function does not include "'my' => false" in the returned array,
  38  allowing it be added to the My Home page.
  39  
  40  === 2.3 ===
  41  
  42  required changes in code:
  43  * block_xxx_pluginfile() is now given the 7th parameter (hopefully the last one) that
  44    contains additional options for the file serving. The array should be re-passed
  45    to send_stored_file().
  46  
  47  === 2.0 ===
  48  
  49  required changes in code:
  50  * use new DML syntax everywhere
  51  * use new DDL syntax in db/upgrade.php
  52  * replace defaults.php by settings.php and db/install.php
  53  * replace STATEMENTS section in db/install.xml by db/install.php
  54  * move post instalation code from install() method into db/install.php
  55  * completely rewrite file handling
  56  * rewrite backup/restore
  57  * theme changes: move plugin styles into blocks/xxx/styles.css and use new css markers for images,
  58                   move all images into new blocks/xxx/pix/ directory and use new outputlib api
  59                   old global $THEME is fully replaced by $OUTPUT
  60  * remove '_utf8' from language pack names, use new {$a} syntax in language packs
  61  * use 'pluginname' lang pack identifier instead of 'blockname'
  62  * move cron and version number into standard version.php
  63  * removed support for old config_global.html, use settings.php
  64