+ - Add support for SpamAssassin's X-Spam-Status header (#1589520).
+ - Added plugin on/off switch, which completely disables all plugins
+ (optionally for one named user, otherwise for all users).
+ - Security: close cross site scripting vulnerability in draft, compose
+ and mailto functionality [CVE-2006-6142].
+ - Security: work around an issue in Internet Explorer that would guess
+ the mime type of a file based on contents, not Content-Type header.
+ - Security: Multiple IE cross site scripting issues related to the
+ generous parsing of the words 'expression' and 'url' by IE.
+ - Security: Removing @import when sanitizing html mail.
+ - Redesigned plugin hook system. do_hook_function() has been removed
+ and do_hook() now emulates do_hook_function()'s return value and
+ also has its plugin arguments passed by value, etc.
+ - Drop obsolete ORDB RBL from filters plugin (#1629398).
+ - Add warning about magic_quotes_* in configtest.
+ - Unify accepted versions for imap_server_type and set_defaults (#1629722).
+ - Improve attachment temp file creation.
+ - Add ability for listcommands plugin to show post and reply links for
+ user-configured non-RFC 2369-compliant lists; admin must enable by
+ configuring plugin. Thanks to Peter Steiner.
+ - Fixed HttpOnly cookies again.
+ - Update for switch from CVS to Subversion.
+ - Default provider URI link fixed (was broken when on plugin options pages, etc)
+ - Fix URL to send read receipts from read_body (#1637572).
+ - Add option to ask users for personal information on first login.
+ - Drop redundant call to session_register, which could trigger a segfault
+ in PHP 4.4.5 (#1664155).
+ - If a date-header cannot be parsed, display the unparsed version as a
+ better-than-nothing alternative.
+ - Fix Priority and Receipt compose options being reset after return from
+ HTML addressbook, and allow returning from an empty address book (#1673056).
+ - Do not special case the 'None' folder.
+ - Fixes for filters issues (#1634735).
+ - session_id reporting session id when no active session (#1685031).
+ - Added sq_change_text_domain() for plugins to use when switching text
+ domains. If plugins use this function, it fixes #1434043.
+ - Add dynamic textarea sizing slider control to compose screen (default_advanced
+ skin)
+ - Security: fixes for the HTML filter to counter further XSS exploits:
+ HTML attachments containing 'data:' URLs, Internet Explorer-specifc
+ charset conversion exploits, and request forgery through included
+ images. Thanks to Mikhail Markin, Tomas Kuliavas and Michael Jordon
+ for reporting these issues. [CVE-2007-1262, CVE-2007-2589]
+ - Fix busy loop and notice when two literals in IMAP fetch (#1739433).
+ - Resolved issue with compose session not being updated after send/save.
+ - Added ability to detect HTTP_X_FORWARDED_PROTO in get_location(),
+ thanks to Daniel Watts.
+ - Fix test for signout.php in the logged in check in init.php so it
+ cannot be circumvented by manipulating the URL. External plugins might
+ rely on init.php guaranteeing that the user is logged in.
+ - Sort readdir() output in conf.pl (#1755886).
+ - Made the webmail_top hook work again for plugins that want to change
+ the URI of the "right" frame; plugins have to change the value of the
+ global variable $right_frame_url
+ - No longer store all message composition sessions in the PHP session,
+ since it was not made use of and in rare cases, made sessions too big
+ - Composition restoration functionality now correctly restores attachments
+ - Added smtp_auth hook
+ - Removed "Include CCs when Forwarding Messages", which had no functionality
+ whatsoever.
+ - Added "preselected" query argument to mailbox list.
+ - Make the Message Details plugin actually show the correct entity when
+ viewing details of attached messages.
+ - Enabled user selection of address format when adding from address
+ book during message composition.
+ - Added a "short_open_tag" configuration test.
+ - Fixed outgoing messages to allow addresses such as "0@..." or "000@...",
+ etc. (#1818398).
+ - PAGE_NAME might not be defined in all plugins, which might cause a
+ "not defined" error on session timeouts.
+ - Allow custom session handlers to work correctly (and be defined at the
+ application level with SquirrelMail).
+ - Fix off-by-one in bodystructure parsing triggered by servers sending
+ a body location part (e.g. Sun Java System Messaging Server). Thanks
+ John Callahan (#1808382).
+ - Invalid initialization of To: header (#1772893).
+ - Added SquirrelMail debug mode.
+ - Handle PHP's insistence on setting the value to 'deleted' for destroyed sessions
+ (#1829098).
+ - Some IMAP servers send nil for an empty email body (See RFC2180,
+ section 4.1.3 on empty strings).
+ - Let configtest.php use optional PEAR dynamic extension loading,
+ patch by Walter Huijbers (#1833123).
+ - Fix for IMAP servers that were having problems saving sent messages
+ - Added "Secured Configuration" mode.
+ - Added edit list, checkbox, radio group, multiple-select folder list
+ and multiple-select string list option widget types.
+ - Allow database based preferences to read in default settings from the
+ default_pref file next to hardcoding them into the DB class, thanks
+ Thierry Godefroy.
+ - Reimplement printer friendly to make use of CSS.
+ - Enhanced address book page: added address list pagination, added
+ 'Compose to' button, put labels around address entries tied to
+ checkboxes, added hook and template plugin output sections for
+ plugins that can filter address book listings and modify the abook
+ navigation bar. Complements RisuMail team (risumail.jp).