The Tcl Core Team is pleased to announce the 8.4.16 releases of the Tcl
dynamic language and the Tk toolkit.  This is the sixteenth patch
release of Tcl/Tk 8.4.  More details can be found below.  We would like
to express our gratitude to all those who submit bug reports and
patches.  This information is invaluable in enabling us to identify and
eliminate problems in the core.

Where to get the new releases:
------------------------------

Tcl/Tk 8.4.16 sources are freely available as open source from the
Tcl Developer Xchange web site at:

         http://www.tcl.tk/software/tcltk/8.4.html

This web page also contains additional information about the releases,
including new features and notes about installing and compiling the
releases.  Sources are always available from the Tcl SourceForge
project's file distribution area:

         http://sourceforge.net/project/showfiles.php?group_id=10894

Binaries for most major platforms are available from:

         http://www.activestate.com/Tcl

For additional information:
---------------------------

Please visit the Tcl Developer Xchange web site:

         http://www.tcl.tk/

This site contains a variety of information about Tcl/Tk in general, the
core Tcl and Tk distributions, Tcl development tools, and much more.

Summary of Changes since Tcl/Tk 8.4.15:
--------------------------------------

The following were the main changes in Tcl/Tk 8.4.16.  A complete list
can be found in the changes file at the root of the source tree.  The
more complete ChangeLog is also included with each source release.  This
is a patch release, so it primarily included bug fixes and corrections
to erratic behavior.  Below are only the most notable changes.

   * Many Aqua/Tk bug fixes and improvements, see Tk changes file.

   * New Tcl feature: DTrace provider (http://wiki.tcl.tk/DTrace)

   * Fixed buffer overrun in animated GIF support.

   * Fixed buffer overrun in [clock format ... %c].

   * Fixed crash with multibyte characters in menu labels.

   * Fixed [thread::join] crash on 64-bit Unix.

   * Fixed crash in thread sync objects.

   * Fixed crash in Tcl_UpdateLinkedVar().

   * Fixed hang in Tcl_CreateTrace() traces.

   * Fixed blue/red reversal in [wm iconphoto] icons on Windows XP.

   * tcltest 2.2.9 permits "_" and ":" in test constraint names.

   * Fixed build problems on SunOS and Windows AMD64.

--
Tcl Core Team and Maintainers
Don Porter, Tcl Core Release Manager