[http://sf.net/projects/tcl/files/Tcl/8.6.10/tcltk-release-notes-8.6.10.txt/view%|%Released]
November 21, 2019.

**Tcl Changes**

***Changes to Tcl Commands***
****New Commands****

   * [timerate]   [[[http://tip.tcl-lang.org/527%|%TIP #527]]]

----
**Tk Changes**

***Changes to Tk Commands***
****New Commands****

   * tk::mac::[PerformService]   [[[http://tip.tcl-lang.org/536%|%TIP #536]]]
   * tk::mac::[LaunchURL]   [[[http://tip.tcl-lang.org/536%|%TIP #536]]]
   * tk::mac::[GetAppPath]   [[[http://tip.tcl-lang.org/536%|%TIP #536]]]
   * tk::mac::[PrintDocument]   [[[http://tip.tcl-lang.org/536%|%TIP #536]]]


----
**Changes to Bundled Packages**
***Updated packages***
   * [http] 2.9.1
   * [Itcl] 4.2.0
   * [Thread] 2.8.5
   * [sqlite] 3.30.1
   * [tdbc]* 1.1.1

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