9.0.3.1641:
NLS_LANG and TNS_ADMIN command-line parameters added
PDF export from Report did not give correct result for screen DPI other than 100%
Directory preferences now support environment variables
When using a language pack the default templates were not always found
Export to Excel as xlsx would not handle AM/PM correctly
Improved Excel xlsx export for UTF8 characters
Cursor position in status bar would not always show correct character position with selections
Pasting data in a grid with a selected column could start on an incorrect row number
Diagram Window, Items > "Order as created" did not work correctly for added fields
Character Set Mismatch warning will now only be displayed once for a connection
Command Window did not interpret alternative quote delimiters
Code Assistant on lower split editor in Program Window did not always display at the optimal location
Text Importer and ODBC Importer now convert invalid field names to valid table column names
Import Table in PL/SQL Developer format could lead to "ORA-01722: invalid number"
Editor: AutoReplace function key now also works if AutoReplace preference is disabled
Editing when disconnected could implicitly connect
DBMS_Output longer than 4000 characters per line would lead to ORA-06502
Test Window function "Start Debugger" could remain disabled in Single Connection mode
Opening a Constraint folder could show a message with the query text
SQL Window performance improved for inline view queries
Added warning for "expand all" browser items
Session > Log On could lead to "Null password" error when session is subsequently used
A renamed Program Window would get its original name restored after saving
9.0.2.1621:
SQL Window Linked Queries did not work for constraint names with Unicode characters
Session > Log off did not always succeed for the main connection
Session > Log off could be incorrectly disabled for the main connection
Command Window "HOST" command did not work on Windows 7 x64
Setting the main connection in single connection mode is now disabled if one or more windows are running
Logon did not always work in Single Connection mode
Logging off with an open Command Window could lead to "ORA-01005" error
Fixed "ORA-1005 null password" error
Performance improvement fetching Code Assistant names
Prevent "List index out of bounds" when clicking on Window List
Code Assistant now sorts user objects by name instead of type, name
Code Assistant did not always work for user object lists and object method parameter lists
Applying a filter to an Object Selection List with no matches would lead to an unusable list
Smart Indent did not always work correctly when Smart Fill option is enabled
Compare User Objects with NLS_LENGTH_SEMANTICS=CHAR could cause incorrect differences
Changing the Table Definition Editor connection in "Single Session" and "Dual Session" mode did not work properly
Object Selection List filter would accept space as delimiter
Adding a Test Script to the Test Manager would incorrectly copy the variable value/type
Adding a User Defined Tool before a main menu item would add multiple menu items
Searching in Projects could lead to a "file not found" error
Log Off in Single Connection Mode with DBMS_JOB editor open could ask for password
Querying BFILE columns could cause ORA-22290
When restoring windows in single connection mode, different connections could be used
Toolbar button configuration displayed two incorrect buttons
Automatic Statistics did not always work after changing a connection
User Defined Object Browser Folders with object list could show incomplete contents
Fix conversion error message for Excel export when date format is incorrect
Object Browser Constraints root folder did not apply user selector filter
Object Browser Constraints root folder would show constraints from recycle bin
Reports would not always show sums on breaks
AfterConnect.sql script was not always executed when changing a window connection
SQL Window record number column was not scroll locked
Using Ctrl-C in the Object Browser would not always copy the full object name
9.0.1.1613:
Fixed incorrect post button status after posting & committing a CLOB value in Single Record view
Fixed "Session Undefined" error
Queue table DDL could specify 'ENQUEUE_TIME' instead of 'ENQ_TIME' in the sort list
Standard Command Window variables _O_VERSION, _O_RELEASE, _USER and _CONNECT_IDENTIFIER were not always defined
Execute button would not be enabled after logging on in Single Connection Mode
Popup menu item "Change Window To" would always use main connection for the resulting window
SQL Window refresh record could fail for tables with an XMLTYPE column
Fixed "ORA-01460: unimplemented or unreasonable conversion requested" on 9.2 and earlier UTF8 databases.
Explain Plan for update and delete statements with table alias did not convert PL/SQL variables correctly
Command Window prompt would not be updated when selecting a connection from the list
Debugger did not display collection items indexed with a variable
Typing in the Debugger watch list could sometimes swap the first and second character
Find function did not work from Support Info dialog
SQL Window would not show information about posted changes when "Show Dictionary Info in result grid" was enabled
SQL Window would not always interpret alternative quote delimiters correctly
Compare User Objects could not apply changes for Views with comments
Excel xlsx export now uses the current date/time format
Fixed Project Groups visibility issue
System privilege "administer resource manager" was not granted/revoked correctly
Duplicate names were not displayed correctly by the Code Assistant
Change Window to another type could fail when focus changed to another window
Log on did not always clear the Connection button in windows
Reconnecting all windows to another connection now implicitly logs on
Some synonyms for V$ views were not translated correctly (e.g. v$object_usage)
Changing a connection of a window would commit the current transaction, regardless of preference
Export to Excel XLS could give incorrect column formats for second page
New SQL Window preference: "Refresh posted records"
Querying a table with a column of an inaccessible type could lead to an Access Violation
Invoking the Large Data Editor could lead to "The configuration registry could not be read" error
SQL Window query performance improved
SQL Window AutoSelect SQL performance improved
Code Assistant could display duplicate items from CANames.sql
Performance improvement when loading files from a network drive
Compare User Objects could not create queue tables by pressing the Apply button
SQL Window status line would show only the first line of a column comment
Main connection indicator colors could be set when logged off
Editor Copy now always uses white background color
Selecting "Other" from the connection list in a window status bar now directly shows the Logon dialog
SQL Window performance improvement when executing large scripts
Explain Plan Window would wait for other queries to finish in Dual Session Mode
AppData directory is now properly determined (preferences and files are copied from old location)
Text color improvement for the connection indicator
Key Configuration could sometimes be cleared
Explain Plan function would incorrectly remove into clause for field lists with subselects
9.0.0.1601:
Новые возможности:
Одновременные подключения к разным БД
Новый лист соединений
Поддержка формата XLSX(Excel 2007/2010) (можно забыть про ограничение в 65535 строчек)
Улучшение окна диаграмм (сортировка, зум, ...)
Улучшение command window (zip, show connection, ...)
При создании/редактировании таблицы можно создать виртуальную колонку
Улучшение SQL window (фиксация колонок (аля excel), при редактировании таблицы моментально видно действие триггеров, можно создавать подвкладки)
Улучшение test manager
Улучшение редактора (Корректная подсветка синтакса с альтернативными кавычками, теперь подсказывает линки, ...)
Улучшение обозревателя объектов
Улучшение обозревателя файлов
Улучшение data generator
Улучшение сравнения объектов (теперь можно игнорировать регистр, пробелы, комментарии)
Улучшение PL/SQL Beautifier
Более подробно
тут.