In plugins admin page, you can now use $_SESSION['page_infos'], $_SESSION['page_errors'], $_SESSION['page_warnings'] to transmit various messages on page reload.
Introduction of two template methods to add buttons to index page and picture page toolbars, allowing you to place buttons relative to each other :
$template->add_picture_button($content, $rank);
$template->add_index_button($content, $rank);
http://piwigo.org/forum/viewtopic.php?id=21767
Les fonctions du type mysql_* ne fonctionneront plus. Elles doivent toutes êtres remplacées par leur équivalent pwgdb*
mysql_query => pwg_query
mysql_fetch_row => pwg_db_fetch_row
mysql_fetch_assoc => pwg_db_fetch_assoc
mysql_insert_id => pwg_db_insert_id
mysql_num_rows => pwg_db_num_row
mysql_real_escape_string => pwg_db_real_escape_string
http://fr.piwigo.org/forum/viewtopic.php?id=23611