[http://sf.net/projects/tcl/files/Tcl/8.6.11/tcltk-release-notes-8.6.11.txt/view%|%Released]
December 31, 2020.
**Tcl Changes**
***Changes to Tcl Commands***
****New Subcommands****
* [interp children] [[[http://tip.tcl.tk/581%|%TIP #581]]]
***Changed Tcl behavior***
* Revised [binary encode] [base64], [binary decode] [base64] for roundtrip safety and RFC 2045 compliance.
* [clock scan] adds support for CCyy-mm-ddThh:mm:ss
----
**Tk Changes**
----
**Changes to Bundled Packages**
***Updated packages***
* [Itcl] 4.2.1
* [sqlite3] 3.34.0
* [tdbc] 1.1.2
* [tdbc::mysql] 1.1.2
* [tdbc::odbc] 1.1.2
* [tdbc::postgres] 1.1.2
* [tdbc::sqlite3] 1.1.2
* [Thread] 2.8.6
* [dde] 1.4.3
* [registry] 1.3.5
* [http] 2.9.5
* [tcltest] 2.5.3
* [platform] 1.0.15
----See also:
* [Highlights of Tcl 8.6]
* [Highlights of Tk 8.6]
* [The major new features of Tcl/Tk 8.6]
* [Changes to consider when moving to Tcl 8.6]
<<categories>> Documentation | Changes in Tcl/Tk