567 lines
24 KiB
Plaintext
567 lines
24 KiB
Plaintext
+--------------------------------------------------------------------+
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| This is a brief summary of changes introduced in each TightVNC |
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| release. For more details, please see ChangeLog files included |
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| in TightVNC source and binary archives. |
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+--------------------------------------------------------------------+
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* TightVNC 1.2.9
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- Win32 version: Major security-related bug in the server has been
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fixed -- handling of the "QueryAllowNoPass" option was seriously
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broken. Together with fixing this bug, the whole authentication
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logic in the server code has been redesigned.
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- Win32 version: Now the HKEY_CURRENT_USER registry hive is being
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closed properly on restoring display settings, on disconnect. This
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change should solve the problem with unloading the registry on
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logout, when WinVNC is running as a service.
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- Win32 version: Problems with "QuerySetting" and "QueryTimeout"
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options have been fixed -- the settings could be copied from user
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configuration to default settings without user's intention.
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- Win32 version: A long-standing bug has been fixed -- the logic to
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handle retries after authentication failures was flawed, and used
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to delete the same object twice under certain conditions.
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- Win32 version: Now it's possible to specify port numbers with the
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winvnc -connect option, using the "host::port" format. Also,
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providing a -connect option without arguments now brings up the
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"Add New Client" dialog.
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- Unix version: New "Request refresh" button has been implemented in
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the viewer's F8 popup menu.
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- Unix version: Xvnc compilation fixes for HP-UX and MacOS X have
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been applied, from Ki NETWORKS, Inc.
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- Unix version: New vncpasswd -f command-line option has been
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implemented. It allows providing passwords on stdin and writes
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encrypted passwords to stdout. In addition, the password file name
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"-" now denotes stdout. Finally, a buffer overflow has been fixed
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in vncpasswd -- it could be caused by a long file name in the
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command line.
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- Unix version: A patch to fix input focus problems in the X11
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viewer has been applied, from Greg Breland.
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- Unix version: A patch fixing Xvnc crashes on Sparc has been
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applied, from the RealVNC distribution.
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- Unix version: A problem with incorrect port interpretation has
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been fixed, in the vncviewer's -tunnel option handling. Thanks to
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Clark Sessions.
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- Java viewer: A modification from Bernd Krueger-Knauber has been
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accepted, to pass through X keysyms for foreign currencies.
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- Java viewer: The problem with initial keyboard focus not set to
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the desktop on some JVMs has been fixed.
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- Other minor improvements and bugfixes.
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----------------------------------------------------------------------
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* TightVNC 1.2.8
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- Unix and Win32 versions: Support for a separate view-only password
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has been implemented. Now the servers support two passwords -- one
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to allow full control, another to restrict remote keyboard and
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mouse input.
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- Win32 version: The password reset problem has been solved. In
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versions starting from 1.2.4, the password could get changed in
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the registry on opening Properties dialog and just hitting the OK
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button.
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- Win32 version: New "-reload" command-line option has been
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implemented in Win32 server. It forces the running instance to
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reload the registry settings.
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- Win32 version: "RemoveWallpaper" and "LockSetting" options have
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been made configurable in the Properties dialog; the code has been
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ported from RealVNC 3.3.6.
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- Win32 version: Support for "AllowEditClients" registry setting has
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been ported from RealVNC 3.3.6.
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- Unix version: New "-x11cursor" option has been implemented in
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vncviewer; a patch from Peter Astrand. This option allows using a
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real X11 cursor with X11-style cursor shape updates, disables the
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dot cursor, and disables cursor position updates in non-fullscreen
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mode.
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- Unix version: New "RunCommand" command to customize the X11
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vncviewer popup menu has been implemented; a patch from Peter
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Astrand.
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- Unix version: Several patches from Debian Linux have been applied.
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This should fix a number of bugs and improve building on some
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platforms supported by Debian Linux.
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- Unix version: A problem with Xvnc eating all CPU time after xfs
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restarts has been fixed; a patch from Martin Koegler.
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- Other minor improvements and bugfixes.
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----------------------------------------------------------------------
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* TightVNC 1.2.7
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- Unix and Win32 versions, Java viewer: The most significant problem
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with local cursor handling has been solved -- now clients can see
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remote cursor movements performed on the server or by another
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client. New PointerPos encoding and cursor shape updates both
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minimize bandwidth requirements and greatly improve responsiveness
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of the mouse pointer, while still allow to track correct pointer
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position in all situations.
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- Unix and Win32 versions: In all the places where display numbers
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had to be used, now it's easy to use port numbers as well. The
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viewers now allow to use new "hostname::port" syntax, in addition
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to the traditional "hostname:display" format. The same new syntax
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can be used in the "Add new client" dialog of Win32 server. In the
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server, now it's equally easy to set display and port numbers.
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Besides that, HTTP and RFB port numbers can be set individually.
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- Unix and Win32 versions: In servers, decreased JPEG quality
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factors for low quality levels. This improves bandwidth usage
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while the image quality remains satisfactory in most cases. In
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clients, JPEG compression is now enabled by default, because
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usually it's a reasonable choice. To prevent viewers from
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requesting JPEG compression, new -nojpeg option can be used.
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- Unix and Win32 versions: Improved installer under Windows, better
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RPMs for Linux.
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- Win32 version: Major enhancements in layout and functionality of
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the dialog boxes.
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- Win32 version: New keyboard handling code has been ported from
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RealVNC 3.3.6. This should solve all the issues with arrow keys
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acting as numbers in console windows, and shift+arrows not working
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under Win2k.
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- Win32 version: Adopted WinVNC -reinstall option from RealVNC
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3.3.5, together with a number of other changes in different
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places. The viewer now accepts a port number after the -listen
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command-line option, an improvement from RealVNC 3.3.6.
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- Win32 version: Eliminated high CPU usage on the server before
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sending cursor shape updates.
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- Unix version: Bugfix for Xvnc's -localhost and -interface options
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that were broken on many systems, thanks to Luke Mewburn for the
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bugfix. Xvnc -version command-line option is now supported.
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- Tight encoding is now documented in rfbproto.h files within source
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archives.
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- Java viewer: Implemented new buttons "Login again" and "Close
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window" near the disconnect or error messages in the applet mode,
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and introduced new "Offer Relogin" parameter to control this
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improvement. Thanks to Peter Astrand for the initial version of
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the "Login again" patch.
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- Java viewer: Support for connections via HTTP proxies using HTTP
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CONNECT method. This will not work in the applet mode, due to Java
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security restrictions.
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- Java viewer: Extra .vnc files have been removed, having just
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index.vnc should be enough. Also, an example HTML page has been
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prepared, to simplify installation under a standalone Web server.
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- Java viewer: Added a MANIFEST to the JAR archive, to allow easy
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execution of the JAR file, using java -jar command-line option.
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- Other minor improvements and bugfixes.
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----------------------------------------------------------------------
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* TightVNC 1.2.6
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- Win32 version: In this version, when WinVNC binds to a local TCP
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port, it does not try to check several times if the port is in
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use. It just re-uses the port if the display number is not set to
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"Auto". One visible effect of this change is that the delay
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between starting up and showing the icon is greatly reduced.
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- Unix version: Fixed the bug which caused the vncserver script to
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fail when the XAUTHORITY environment variable was not set.
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- Unix version: Fixed the bug which prevented the vncpasswd utility
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from setting correct permissions on the passwd file.
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- Unix version: Fixed a repeated challenge replay attack
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vulnerability, bugtraq id 5296.
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- Unix version: Added files to simplify building of Linux RPMs,
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thanks to Peter Astrand.
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- Unix version: Improved scrolling in the full-screen mode, modified
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patch from Ville Herva.
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- Minor cleanups.
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----------------------------------------------------------------------
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* TightVNC 1.2.5
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- Win32 version: Fixed a problem in the I/O subsystem that was
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introduced in TightVNC 1.2.2 and was causing major slowdown in
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communication with clients.
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- Win32 version: Enabled remote upgrade in the installation script.
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Also, the installer will install a copy of the TightVNC Web site,
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and will create shortcuts to most important documentation pages.
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- Win32 version: Implemented new feature to specify applet
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parameters in URL requests being sent to the built-in HTTP server.
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Added support for new "EnableURLParams" registry setting which can
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be used to enable this feature.
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- Win32 version: Added support for the NewFBSize pseudo-encoding
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allowing to change framebuffer geometry on the fly on server's
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request.
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- Win32 version: Included "solution" and "project" files for MS
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Visual Studio 7, from Andrew van der Stock, applied a set of minor
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fixes to suppress compilation warnings under MS Visual Studio 7.
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- Win32 version: The viewer now tries to preserve the size and
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position of the desktop window after applying new connection
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options.
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- Unix version: Implemented new feature to specify applet parameters
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in URL requests being sent to the built-in HTTP server. Added
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support for new $PARAMS variable in .vnc HTML templates.
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- Unix version: Added the possibility to keep users' vnc directories
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under /tmp, as suggested by Ivan Popov. This mode can be enabled
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by editing the $vncUserDir variable in the vncserver script. Also,
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new -t option has been implemented in the vncpasswd utility which
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allows to change VNC password files under /tmp.
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- Unix version: Applied Xvnc -viewonly patch from Ehud Karni.
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- Unix version: Applied Linux/PowerPC Xvnc fix from Peter A. Castro.
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- Unix version: Bug fixed: Xvnc failed to reset compression level
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and JPEG image quality on reading lists of encodings supported by
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clients.
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- Unix version: Made the viewer handle XCursor encoding operating on
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the framebuffer instead of setting new cursors directly in X.
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- Unix version: Applied a number of porting fixes from Ki Networks,
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Inc.
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- Java viewer: Added new feature allowing to save RFB sessions in
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FBS files compatible with rfbproxy. This feature works only if JVM
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security manager allows access to the local filesystem, which is
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usually true only when the viewer is used as a standalone
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application or if the viewer applet is cryptographically signed.
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New "Record" button will appear in the button panel if this
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feature is enabled.
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- Java viewer: Added new "ENCPASSWORD" parameter, modified patch
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from Peter Astrand.
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- Java viewer: Applied patch from Peter Astrand to fix problems with
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Swedish keys and broken JVMs.
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- Other minor fixes and cleanups.
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----------------------------------------------------------------------
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* TightVNC 1.2.4
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- Win32 version: WinVNC crashes on reporting zero statistics were
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fixed. This should eliminate crashes when using x2vnc and win2vnc
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client programs.
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- Win32 version: a problem with listening viewer was fixed.
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Initiating multiple non-shared connections could crash the viewer
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application.
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- Win32 version: real passwords are never placed into the password
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text control in the WinVNC Properties dialog any more. This should
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prevent grabbing plain-text passwords from that text control.
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- Win32 version: logging on errors was improved to provide better
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diagnosis for errors, especially for those causing the message
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"Connection closed" right after authentication.
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- Win32 version: handling of log files was improved. Now WinVNC
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should be able to save backup copies of log files under
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Win95/98/Me. Also, all log files are now written in MS-DOS/Windows
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text format instead of the Unix one.
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- Win32 version: a problem with reporting error messages in the
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listening viewer was fixed.
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- Win32 version: reporting incorrect statistics in the Tight encoder
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was fixed.
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- Win32 version: HTML pages and templates for the built-in HTTP
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server were improved.
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- Unix version: applied patch from Ki Networks, Inc. solving build
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problems on a number of commercial Unix systems, and fixing a
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number of minor bugs and typos.
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- Unix version: added a possibility to denote standard input with
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the "-" file name instead of a real password file name.
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- Unix version: fixed a bug causing vncpasswd utility work
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incorrectly when a file name argument was given in the command
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line.
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- Unix version: applied patch to solve keyboard focus problems in
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the full-screen vncviewer, from Peter Astrand. The patch does not
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seem to solve all the issues, but definitely makes things better.
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New grabKeyboard resource was added to control full-screen mode
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behavior.
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- Java viewer: new "Show Offline Desktop" parameter was added to
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make the desktop still visible even after the remote side has
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closed connection.
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- Java viewer: error messages were made much more meaningful.
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- Java viewer: keyboard focus problems were fixed. This should
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prevent opening new windows (e.g. Options or Clipboard) behind the
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active authenticator or desktop window.
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- Java viewer: now "R"/"r" keys can be used to request screen
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updates in view-only mode.
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- Java viewer: applied patch from Peter Astrand to fix problems with
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Swedish keys and broken JVMs.
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- Other minor fixes and cleanups.
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----------------------------------------------------------------------
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* TightVNC 1.2.3
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- Unix and Win32 versions: zlib library was updated to the most
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recent version (1.1.4) where a potential security issue was fixed.
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- Unix and Win32 versions: fixed blocking I/O problems in built-in
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HTTP servers. Older versions had to wait while one client finishes
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his transaction, only then they served new client connections,
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thus making easy denial-of-service attacks possible.
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- Unix and Win32 versions: updated built-in Java viewer, see details
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below.
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- Win32 version: Added support for mouse wheel events. Wheel mouse
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support is fully compatible and interoperable with Unix version
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where this feature was available for a long time.
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- Win32 version (WinVNC): The -connect command-line option now
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accepts a display number after a hostname.
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- Win32 version: Creating associations for .vnc files in the
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installer.
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- Java viewer was GREATLY improved: the code was converted to Java
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1.1, painting techniques were re-designed completely (now the
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viewer should work in MacOS), several new parameters were added,
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all parameters were documented in the README file. Most important
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new features include: support for 24-bit colors, JPEG support in
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Tight encoding, RFB Bell message support, new "Refresh" button, a
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possibility to operate in a separate scrollable window, dynamic
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view-only mode. Many more changes were introduces, see the
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ChangeLog for more information. Please note that new Java viewer
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class names were changed, e.g. vncviewer.jar file has become
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VncViewer.jar etc.
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- Unix version: a number of changes in the vncserver script, e.g.
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the default color depth is now 24, extra delay after Xvnc startup
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removed, font path is now configurable in the beginning of the
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script, and more.
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- Unix version: zlib library was removed from the core X sources.
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Instead, both vncviewer and Xvnc now can use either system zlib
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and JPEG libraries, or ones packaged within TightVNC source
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archive in the lib/ directory. Unix sources are distributed in two
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versions: one with these libraries for those who don't have them
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installed in the system, and another version without libraries,
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copied directly from CVS, for those who do have zlib and/or JPEG
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libraries installed. In the former case, build procedure would
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include additional "make libs" step. System libraries will be
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linked dynamically, libraries included in the source archive will
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be linked in statically.
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- Unix version now includes comprehensive manual pages for
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vncviewer, vncserver, Xvnc, vncconnect and vncpasswd programs. The
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vncinstall script in the source distribution now accepts one more
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parameter allowing to specify where to install manual pages.
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- Unix version (Xvnc): a number of patches from Red Hat Linux vnc
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package were incorporated into the TightVNC codebase. This adds
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support for more architectures including s390 and s390x, adds a
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possibility to use tcp_wrappers for Xvnc access control.
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- Unix version (Xvnc): several bugfixes, e.g. applied patch to fix
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crash in the code dealing with font server; fixed word alignment
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problem in raw encoder experienced by Sparc users.
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- Unix version is no more distributed as patches to a standard VNC
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release. This is because patches cannot handle changes in binary
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files and handle file removals very inefficiently.
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- Other minor fixes and cleanups.
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----------------------------------------------------------------------
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* TightVNC 1.2.2
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- Win32 server: long-standing Win9x resource consumption problem has
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been fixed. Now the server thread does not use blocking I/O, and
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therefore is always ready to process messages from the VNCHooks
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DLL.
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- Win32 server: now built-in HTTP daemon may be enabled and disabled
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interactively from the Advanced Preferences dialog (this setting
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is saved in new "EnableHTTPDaemon" registry key).
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- Win32 server: changes in layout and text of the Advanced
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Preferences dialog.
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- Xvnc: Minor bugfix which should prevent potential dereference of a
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NULL pointer.
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- Unix viewer: Now viewer window would be raised on beep (bell)
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event, unless new -noraiseonbeep option is provided in the command
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line or "raiseOnBeep" resource set to False.
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- One more packaging option for the Unix source: ready to build
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archive with Zlib and JPEG libraries inside.
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- Other minor fixes and cleanups.
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----------------------------------------------------------------------
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* TightVNC 1.2.1
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- Win32 server: added support for reverse connections on ports other
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than 5500, modified patch from Steve Kann.
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- Win32 viewer: added support for new command-line options:
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-noshared and -encoding XXX.
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- Bugfixes in Win32 viewer: changes in exception handling eliminate
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Borland C++ compilation problems causing application crashes on
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repetitive connections, notably in the listen mode. Also, now
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warning exceptions causing disconnects are reported to user,
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except for the case when a user has closed the viewer window.
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- Better packaging in Win32 version: self-installing package is
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available, vncviewer now shows correct icon image.
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- Unix vncviewer: Default tunneling command template has been
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changed, to allow tunneled connections to hosts where only
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loopback VNC connections are enabled. New -via <GATEWAY>
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command-line option provides enhanced tunneling functionality, now
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one can make vncviewer tunnel connections to a VNC host via third
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machine acting as a gateway.
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- Java viewer: Addition of new parameters PASSWORD, "Show Controls",
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and "View Only", modified patch from Steve Kann.
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----------------------------------------------------------------------
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* TightVNC 1.2.0
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- Tight encoding is now configurable and can operate at different
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compression levels where low compression levels are very fast in
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terms of CPU usage. New "-compresslevel N" option implemented in
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vncviewer to set compression levels for Tight encoding (1 - fast,
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9 - best).
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- Enhanced techniques to split large rectangles in Tight encoder;
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now it tries to find large solid-color areas and send them in
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separate rectangles.
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- Lossy JPEG compression in Tight encoding has been implemented, new
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"-quality N" vncviewer option should be used to enable this
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feature (0 - low image quality and best compression, 9 - best
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image quality). JPEG compression is used only for screen areas
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that seem to be suitable for JPEG compression (although algorithms
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to detect such areas are not perfect, of course).
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- New "XCursor" and "RichCursor" encodings implemented. They are
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used to transmit cursor shape updates from server to clients
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("local cursor" feature requested by many users). Mouse movement
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no longer causes framebuffer updates to happen, vncviewer
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processes mouse locally when this feature is active. New
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-nocursorshape vncviewer option turns this feature off.
|
|
|
|
- A number of recent changes from both TridiaVNC and AT&T's releases
|
|
merged into the source, now the code is based on version 3.3.3r2
|
|
for Unix part, and on 3.3.3r9 for Win32.
|
|
|
|
- Unix vncviewer: When -tunnel option is specified in the command
|
|
line, special rules are now used to choose preferred encoding. Now
|
|
viewer does not think that server is running on the same machine
|
|
when tunneling is on and the preferred encoding is now "tight"
|
|
with default compression instead of raw.
|
|
|
|
- Xvnc: Rules to set default pixel formats have been changed: now
|
|
they are RGB565 instead of BGR556 for color depth 16, and RGB888
|
|
instead of BGR888 for depth 24. This makes Xvnc compatible with
|
|
Imlib renderer used in Gnome and also helps to avoid unnecessary
|
|
pixel format translations in many cases.
|
|
|
|
- Xvnc: X11 modifier mapped to META key is now Mod4 instead of Mod1.
|
|
New -compatiblekbd option implemented in Xvnc to force META and
|
|
ALT keys behave the same way as they do in the original AT&T's
|
|
version.
|
|
|
|
- A number of bugs fixed: viewer crashes after inflate() call, Xvnc
|
|
CoRRE encoding problems, Xvnc bit-order issues in XCursor and
|
|
RichCursor encodings, etc.
|
|
|
|
- Java viewer now supports Tight encoding and cursor shape updates.
|
|
Drawing techniques were changed, settings "Raw pixel drawing:
|
|
Fast/Reliable" and "CopyRect: Fast/Reliable" removed from the
|
|
Options panel since they do not make sense in new drawing model.
|
|
|
|
- Other new features, optimizations, fixes and cleanups, see
|
|
ChangeLog files.
|
|
|
|
----------------------------------------------------------------------
|
|
|
|
* VNC Tight Encoding 1.1
|
|
|
|
- New ``gradient'' filter implemented in servers (it can be disabled
|
|
in Xvnc with new -lazytight option). The filter preprocess
|
|
full-color screen areas prior to compression in order to achieve
|
|
better compression ratios (with the cost of slower compression).
|
|
Vncviewers of version 1.0 had support for this filter already, but
|
|
there was small bug causing image distortions in certain cases. So
|
|
it is recommended to upgrade both servers and viewers.
|
|
|
|
- Stupid bug fixed: extra unused color was included in palettes in
|
|
many cases; compression ratios used to be worse than they should
|
|
be.
|
|
|
|
- The algorithm used to split large rectangles into parts has been
|
|
changed. This change can increase compression ratios in many
|
|
situations.
|
|
|
|
- Byte-order issues in servers have been (hopefully) fixed.
|
|
|
|
- Performance tuning, code rewrites and cleanups in various places.
|
|
|
|
----------------------------------------------------------------------
|
|
|
|
* VNC Tight Encoding 1.0
|
|
|
|
- Initial release.
|
|
|
|
----------------------------------------------------------------------
|