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From: Don Porter <donald.porter@nist.gov>
Newsgroups: comp.lang.tcl
Subject: Tcl/Tk 8.6.16 RELEASED
Date: Wed, 11 Dec 2024 11:10:05 -0500
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Tcl/Tk 8.6.16 Release Announcement
December 11, 2024

The Tcl Core Team is pleased to announce the 8.6.16 releases of the Tcl
dynamic language and the Tk toolkit.  This is the sixteenth patch release
of Tcl/Tk 8.6.  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. Such reports can be
submitted here.

         https://core.tcl-lang.org/tcl/ticket
         https://core.tcl-lang.org/tk/ticket

We ask that you log in (anonymous if you wish) to create tickets.
This deters abuse of the ticketing system:

         https://core.tcl-lang.org/tcl/login
         https://core.tcl-lang.org/tcl/login

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

Tcl/Tk 8.6.16 sources are freely available as open source from the Tcl
SourceForge project's file distribution area:

         http://sourceforge.net/projects/tcl/files/

This distribution is source code only.  We keep links to some third
parties offering pre-built binaries for various systems here:

         http://www.tcl-lang.org/software/tcltk/bindist.html

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

Please visit the Tcl Developer Xchange web site:

         http://www.tcl-lang.org/

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 8.6.15:
--------------------------------------

This is a patch release, so it primarily includes bug fixes and corrections
to erratic behavior.  Highlighted changes are noted below.  The changes file
at the root of the source tree contains a more complete list.  The Timelines
of all changes are online.

	http://core.tcl-lang.org/tcl/timeline
	http://core.tcl-lang.org/tk/timeline

    * Regression in [clock] timezones due to revised tzdata format

    * Improper startup if [pwd] contains a file named init.tcl

    * Fix crashes or hangs in...
       - TclOO + coroutine, oo-1.25
       - lifecycle management of the attributes of a menu entry
       - [grid] and [pack] handling of half-dead argument
       - Tk_DeleteErrorHandler()
       - overwrite of thread data by Tk initialization in second interp

    * Prevent negative zlib stream checksums, zlib-15.1

    * Filesystem path efficiency from skipping unnecessary normalization

    * Revised [clock scan] consistent with leap second timestamp validation

    * Updated bundled packages, libraries, standards, data
       - Itcl 4.3.2
       - sqlite3 3.47.2
       - Thread 2.8.11
       - TDBC* 1.1.10
       - tcltest 2.5.9
       - tzdata 2024b, corrected

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

-- 
| Don Porter            Applied and Computational Mathematics Division |
| donald.porter@nist.gov             Information Technology Laboratory |
| http://math.nist.gov/~DPorter/                                  NIST |
|______________________________________________________________________|