================================================================================
Release 3.3.11 - January 17, 2011
================================================================================

Bugfixes
--------

* accessing variables in the subjects table with only the scope operator in 
  programs which have the owner variable set does not work
* variables in session table are not initialized
* moving the mouse triggers mouse enter events (plot input) even when the object
  beneath the mouse cursor didn't change

================================================================================
Release 3.3.10 - January 6, 2011
================================================================================

Bugfixes
--------

* text layout in right-to-left languages
* sound did not stop after hide of multimedia box

================================================================================
Release 3.3.9 - November 25, 2010
================================================================================

Bugfixes
--------

* programs attached to a chat box are not exported
* scope operator is not allowed/recognized in layout
* buttons (layout !button in input items) in old treatment don't work in recent
  versions
* items in grid boxes disappear in right-to-left languages

================================================================================
Release 3.3.8 - January 29, 2010
================================================================================

Bugfixes
--------

* plot pies can't be dragged
* click in plot rects doesn't take filling and frame into account
* program for table summary in the background leads to a z-Tree crash

New Feature
-----------

* added magyar to the list of supported languages

================================================================================
Release 3.3.7 - April 1, 2009
================================================================================

Bugfixes
--------

* items with 'empty allowed' are not correctly handled after a checker dialog
* '!text' option in plot axis will crash z-leaf

Improvement
-----------
* plot box gets input focus only when it is clicked and when it contains key
  input items (revises change in version 3.3.1)

================================================================================
Release 3.3.6 - December 15, 2008
================================================================================

Bugfixes
--------

* missing data in stages with single entry (follow up bugfix in 3.3.5)

================================================================================
Release 3.3.5 - December 10, 2008
================================================================================

Bugfixes
--------

* missing data in stages with single entry
* revised redraw of contract list box

================================================================================
Release 3.3.4 - November 19, 2008
================================================================================

Bugfix
------

* replay w/o gamesafe only works in first period

================================================================================
Release 3.3.3 - November 11, 2008
================================================================================

Bugfixes
--------

* editing of a program clears the condition of the program
  (introduced in version 3.3.0)
* positioning of cursor in plot box

================================================================================
Release 3.3.2 - November 3, 2008
================================================================================

Improvement
-----------

* prevent later commands from overtaking each other

================================================================================
Release 3.3.1 - October 17, 2008
================================================================================

Bugfix
------

* contract list box is not redrawn when rows are removed from list box
  (introduced in version 3.3.0)

Improvements
------------

* plot box with input item gets input focus on mouse enter (key press events)
* key press when plot box has input focus doesn't cause a beep
* insering and moving of items in the stage tree has been revised
  (i.e. new points are placed into the selected plot graph)

================================================================================
Release 3.3.0 - September 5, 2008
================================================================================

The file format for treatments has changed. Treatments created with this version
can not be opened with older versions of z-Tree.

Bugfixes
--------

* leaf crashes after frequent redraw of contract list box
* tree crashes before writing the payment file if variables in a question on
  the address form don't exist in the session table
* export of contract list box (selected table not written)
* export of chat box (newlines stripped from output text)
* spelling mistakes in message on waiting screen (German)

Improvements
------------

* replay w/o gamesafe (with option to fall back on old restart procedure)
* contract list box is only redrawn when data has changed

New Features
------------

* 'Table Loader' reads in table data from text files
* 'Table Dumper' writes table data into a text file
* 'External Program' starts programs (command line) on server or clients
* bitmap image as background in plot rectangles
* 'Slide Show' with 'Slide Sequence' and 'Slide'
* option 'Rewind' in multimedia box
* logging of errors occurred on the client (new 'logfile' table)

================================================================================
Release 3.2.12 - April 29, 2008
================================================================================

Bugfix
------

* value of output items not shown if initial value is assigned in a program of
  a button or an active item

Improvement
-----------

* prevent overwriting of files from pevious sessions

================================================================================
Release 3.2.11 - March 04, 2008
================================================================================

Bugfix
------

* z-tree crashes if first subject suffers losses

================================================================================
Release 3.2.10 - December 05, 2007
================================================================================

Bugfixes
--------

* array variables in subjects table of first client are updated with default
  values (Zeros) if more than one record changed
* undefined variable in same() function crashes z-Tree

================================================================================
Release 3.2.9 - September 20, 2007
================================================================================

Bugfixes
--------

* "Reload database" only loads the data for the first session array variable
* array variables in input items may crash z-Tree
* (default) value is not shown for input items

================================================================================
Release 3.2.8 - June 5, 2007
================================================================================

New Feature
-----------

* String variables in output items

================================================================================
Release 3.2.7 - May 21, 2007
================================================================================

Bugfixes
--------

* Input is not processed if first stage in group has timeout -1 and some
  subjects do not participate
* Clear Entry After OK does not work
* Expressions in size and position of boxes are not checked

================================================================================
Release 3.2.6 - May 10, 2007
================================================================================

Bugfixes
--------

* Performance problems, gsf-File getting very big (messages are sent more than
  once in stage groups)
* OLDsubjects query in if statement doesn't work (handling of return type of if
  statement)
* Import function error (detecting start of comment)
* Content of container box is covered by container window (box order)

Improvement
-----------

* Evaluation of expressions connected by & or | stops as soon as the truth or
  falsehood of the result is known

New Feature
-----------

* Added Mongolian to the list of supported languages

================================================================================
Release 3.2.5 - April 24, 2007
================================================================================

Improvements
------------

* Beautified layout of radioline and radiolinelabel in questionnaires
* Resizing options in multimedia box are available to videos

================================================================================
Release 3.2.4 - April 17, 2007
================================================================================

Bugfixes
--------

* Questionnaire crash after import w/o save, close and reopen
* After RepeatTreatment numPracticePeriods is negativ
* Memory leak (messages sent to clients)

Improvements
------------

* Size and position of program dialog is saved
* Automatic silent checker to enforce unique contracts
* Flicker-free drawing in plot window

================================================================================
Release 3.2.3 - March 7, 2007
================================================================================

Improvements
------------

* Size and position of boxes can be specified with expressions
* Resizable program dialog

================================================================================
Release 3.2.2 - February 16, 2007
================================================================================

New Feature
-----------

* New options in Join Files... (ignore white space in keys, ignore leading zeros
  in keys, store line w/o key)

================================================================================
Release 3.2.1 - February 12, 2007
================================================================================

Bugfixes
--------

* Variables are not transmitted to the clients if they are changed in a start
  if possible stage program
* Typos in set language

================================================================================
Release 3.2.0 - January 18, 2007
================================================================================

Improvement
-----------

* The box order was changed to "one on top of the previous". Compatibility is
  guaranteed with a compatibility option in the background of the treatment.

================================================================================
Release 3.1.2 - January 2007
================================================================================

New Features
------------

See https://www.unizh.ch/iew/ztree/ssl-dir/wiki/index.php?n=Main.NewInVersion3