CB 12.20 (Service Pack)
  - Send Request Error in program and game update when IE was set to offline mode.
  - Possible crash in 3D board.
  - Patch-Day CB12+Reader.
  - Testversion GUI13 Studio+Author.

CB 12.19 (Service Pack)
  - French messages updated.
  - Display error in notation with unicode annotation.
  - Reference search didn't always find positions with former move repetition.
  - Possible crash when user agrees to remove rarely used DB symbol.
  - Improvements integrity check.
  - Copying games with Multimedia files dropped gif.
  - Possible crash when converting old html format.
  - Permanent fritz trainer activation was not possible after cancelling activation.
  - Random training from DVD didn't work.

CB 12.17 (Service Pack)
  - Fetching weekly MegaBase Update created an undeletable database.
  - French messages updated.
  - Spanish messages updated.
  - New option in find doubles: Keep different annotators.
  - Sometimes flat text on a board was immediately overwritten again by the board.
  - Display database window first before asking to remove unimportant databases.
  - Opening the new chess media system files from DVD was very slow.
  - Installation of ChessBase Reader caused the dialog for activation to appear again.
  - Improved keyboard handling with edit player dialog.
  - When closing the program the correct board window is put on top when the program asks to save a game.
  - Text editor can be closed with ESC.
  - Replaying games with mouse wheel in full screen mode didn't work.
  - Possible crash when activating Letscheck while running several engines.
  - Some diagrams did not appear in printout.

CB 12.15 (Service Pack)
  - New annotation dialog remembers position on screen.
  - Regression in 12.13: Sometimes windows could not be closed.
  - Integrity check improved with opening keys.
  - On huge machines an engine could be started with less threads than intended.
  - Some diagrams did not appear in html output.

CB 12.14 (Service Pack)
  - After newline in the new annotation dialog figurines appeared in the wrong place.
  - Conversion bug in new annotation dialog with some languages.
  - Bug in RTF diagram output with new unicode based text.
  - Diagrams in RTF could appear in bold.
  - Entering moves after stopping a video is possible.
  - The new annotation dialog was not dpi aware.
  - Integrity check didn't repair all faults.
  - Playchess: All popup messages ("Opponent resigned") in playing board replaced by flat text.
  - Help button in new annotation dialog didn't work.
  - Right-click menu in new annotation dialog added.

CB 12.13 (Service Pack)
  - Regression in 12.11: Letscheck analysis was broken.
  - Bug in RTF conversion with new unicode based text.
  - Bug in HTML conversion with new unicode based text.
  - Right-click menu in new annotation dialog.
  - Possible crash when playing on the server with 3D-board.
  - Possible crash later when editing a text annotation and using the mouse wheel while the dialog is open.
  - Polish messages updated.
  - Possible Crash in PlayerDossier.
  - One button in annotation palette was empty.
  - Occasionally games on playchess didn't start properly.

CB 12.11 (Service Pack)
  - Possible crash when copying a tournament table to the clipboard.
  - After maximizing the minimized program message boxes could be hidden behind the window.
  - Regression in 12.10: In non maximized board windows the controls in the variation dialog were not positioned correctly.
  - French messages updated.
  - Possible endless loop in LoadNextGame/LoadPreviousGame.
  - Possible crash when sorting a non cbh-database by position.
  - New annotation dialog now unicode-based, allows all characters to be used.
  - Bug when copying several pgn into one pgn.
  - Possible crash in dialog for player selection.
  - Regression in 12.10: "Too many transmission errors" in streams in Playchess.com.
  - Refresh button and flicker reduction for game list in Playchess.com.

CB 12.10 (Service Pack)
  - Possible crash when closing the program.
  - Possible crash after RR on database.
  - Regression in 12.9: Sorting databases for game notation didn't work.
  - Diagram in text before move produced a diagram after the move in text files.
  - Showing a variation dialog also marks the moves in the notation.
  - Variation dialogs store their position.
  - Game links in notation work like links in browsers.
  - New annotation type weblink.
  - Archives with database files larger than 2 GB.
  - Creating archives with databases including a cbtt file could fail.

CB 12.9 (Service Pack)
  - Player encyclopedia could be opened twice.
  - Regression in 12.7: Inline edited database title was not stored.
  - Possible crash in Bitmap-Button if Bitmap could not be loaded.
  - Possible crash in search for same players.
  - After creating a dossier from a player in a database some functions failed with "Database is in use".
  - Minor improvements to the function "improve player names".
  - Opening two boards with reference searches and closing one slowed down the reference search in the other one massively.
  - After sorting the player list in a database, scrolling didn't show info from the player encyclopedia any more.
  - Creating a dossier of a player not yet fetched from the online player encyclopedia was not possible.
  - Regression in 12.8: Sometimes a board window opened without a board.
  - Improved handling of quick reference databases.
  - Old database type will now be set properly again when changing the reference database.
  - Possible crash when opening a text.
  - Possible crash when entering the chess server immediately after program start and logging off right away.
  - Chat color in multi board broadcasts lighter.

CB 12.8 (Service Pack)
  - Possible crash with several open boards and switching one to 3D.
  - It was possible to open a second 3D board, resulting in an empty window.
  - Remove deleted games on game files > 2GB could lead to errors.
  - Searching for games in lots of databases simultaneously could fail because of system limits on open files.
  - Regression in 12.7: Database type could not be changed any more.
  - Regression in 12.7: Cursor up/down in move statistics and database list didn't work any more.
  - Integrity check didn't find illegal moves.
  - Select an engine through cursor up/down without first clicking into the dialog.
  - Sorting database list/icons didn't work if none was selected.
  - Possible crash with download of new games.
  - Mouse wheel support in playerbase list was missing.
  - Reorganizing database could change order of tabs in database window.

CB 12.7 (Service Pack)
  - Live broadcasts on playchess.com: Display the official logo and URL of the tournament in the kibitz window.
  - Possible crash in reorganisation, fix sort order, integrity check.
  - Heumas always showed possible answer, can now be switched off with "Threats as Arrows".
  - LiveBook window can be configured.
  - DGT-board can be used with Chess960.
  - Search for doubles always checked for similar names, even if set to ignore.
  - Clipboard never opened maximized.
  - Improve player names failed in some cases.
  - Sometimes the feedback bar showed values greater then 100%.
  - Regression in 12.6: Special annotations couldn't be entered/changed.
  - "Next game" from game lists occasionally crashed when skipping HTML texts

CB 12.6 (Service Pack)
  - Delete remaining moves always removed game result, even if used in a line.
  - Occasional exception in deep analysis.
  - Occasionally a text won't be shown after loading, refresh needed.
  - Game counting in theme keys always showed 0.
  - Vote for moves in Playchess live broadcasts.
  - Upon entering the broadcast room on playchess the games list tab is activated because in 99% of the time you want to kibitz games here.
  - Possible crash when disabling the player encyclopedia in the player index.
  - Possibly erroneous tiebreak calculation in team tables.

CB 12.5 (Spanish Release, Dutch Release, Service Pack)
  - 64Bit only: Fritz could not be loaded as default kibitzer if it was automatically selected by the program.
  - Publish games on internet didn't display umlauts correctly.
  - Publish games on internet: Optional local HTML file instead of one-click-publication to www.viewchess.com.
  - Column Notation in game lists was not always displayed correctly.
  - Parts of the player search dialog in the player encyclopedia where inactive.
  - Adding a variation of a game to the repertoire could mess up the game, even if the function was cancelled.
  - Deletion of all text annotations added to context menu.
  - Crash in Load Next Game (F11) in broadcast. (F11 is not available in this window.)
  - Contract dialog for cloud engines smaller to save screen real estate.
  - For more than one window of a type (e.g. multiple boards), each window position is now stored individually.
  - With a second monitor on the left side of the desktop, the window position was not saved correctly.
  - On a second monitor to the left side of the desktop, background textures (e.g. wood) were drawn incorrectly.
  - Crash in Sort Database / Remove Deleted Games when Database contains HTML texts without additional files ( e.g. positions.jpgs )
  - Player encyclopedia didn't work with less than 2 GB physical RAM.
  - Playchess.com: Both players can enter moves in shared analysis at the same time, no more analysis focus dialogs necessary.
    To analyse together, simply invite your pupil by right-clicking his/her name in the player list of the teaching room.
  - Sometimes a diagram in generated rtf files showed the previous position.
  - Keyboard shortcut (F5) to close the selected board in the multi board kibitzer window on Playchess.
  - Keyboard shortcut (F7) to close all finished boards in the multi board kibitzer window.

CB 12.4 (French Release, Service Pack)
  - 64Bit only: Win7 library "Chess" gets created automatically when user registers file names.
      Hint: Right-click arbitrary folders in Windows Explorer to add them to your "Chess" library.
  - ECO classification of database didn't write the ECO codes
  - Filtering the result list (Right-click Edit -> Filter) of an endgame similarity search did not set the move numbers for a single-click load
     (only double-click loaded the game at the filter mask position).
  - Parsing of media files in the background upon opening (faster response when working from DVD).
  - Sorting databases could crash.
  - Search for similar pawn structures sometimes ran with only one thread (slow) if c,d,e-file had no pawns.

CB 12.3 (Italian Release)
  - Login to ICCF was broken
  - Replay-control with buttons was broken
  - DGT-Support 64-Bit (not yet released by DGT)
  - Search doubles improved further, different default settings
  - Fritz 11 SE engine was installed in wrong directory in 64-Bit version
  - Board Window: Search the starting position in online database - Useful because it shows all recent strong GM games.
  - PlayChess Kibitzing database: Mark previous instance of repeatedly kibitzed live game as deleted and/or replace last version.
  - Multikibitz window opens more smoothly.
  - MyPGNDownload: Automatically select the new games in the list for fast copying.
  - MyPGNDownload only used for downloaded PGN databases, not for PGN's double-clicked in other folders.
  - Improved the new media window for live streams and on-demand training videos in playchess.com.
  - Faster login when checking for Mega Updates.

CB 12.2 (Service Pack)
  - Removed "Server busy" message when sending email from 64-Bit to 32-Bit Office
  - Importing/Copying databases could hang if a "Top Games" index was present.

CB 12.1 (Service Pack)
  - Several differently named UCI engines from the same exe were not distinguished properly
  - Font settings in several game lists were not stored
  - Online search, Advanced, Ok closes dialog and sends the search request
  - Tactics of the day now always displayed if window large enough
  - Game import with double check was broken
  - Crash in Openings key with damaged key file
  - Sorting history databases in a meaningful way was difficult
  - Copy in network resulted in wrong disk space message
  - Deleting database in a directory removes icon from desktop
  - Selecting many games in a big database could take a very long time
  - With empty player library not all entries in tournament/team list were updated