Version 8.6a3 of Tcl/Tk
Release Notes: New commands include [coroutine], [yield], [info coroutine], [tailcall], [tcl::prefix], [oo::define $class variable], and [$canvas moveto]. Several bugs in new OO facilities and in the new non-recursive evaluation engine were fixed. Support for pre-ANSI compilers via _ANSI_ARGS_ was removed.
Other releases
Release Notes: This release adds new commands [lmap] and [dict map], adds new [load] options -global and -lazy, fixes crashes related to attempts to write to a variable in a namespace which does not exist, fixes paths returned from [tk_getOpenFile -multiple] on Windows, corrects decoding of base64 with trailing whitespace, updates the included packages to current versions, and removes legacy Carbon sources.
Release Notes: New command: [yieldto]. A new OO builtin class: [oo::Slot]. A new OO standard method: <cloned> (extends [oo::copy]. A new subcommand: [string is entier]. Redefined color names to match Web colors. Bundled distribution of SQLite 3 3.7.14. Updates to Unicode 6.2 support. Several bugfixes. Mac OS X versions before 10.4 (Tiger) are no longer supported.
Release Notes: --enable-aqua build for Mac OS X is now a Cocoa implementation. Support has been added for Cygwin network pathnames. Updated to Unicode 6.2 support. Fixes for several crashes and bugs.
Release Notes: This release adds the new option [tk_getSaveFile -confirmoverwrite], fixes a rash regression in Ttk unset traces, revises the expr parser to permit function names like "nano()" instead of parsing as "nan o()" with a missing operator, fixes a crash regression in Tcl_ConvertElement(), adds new version 2.7.7 of the http package, improves performance when converting to "pixels", restores resizing of file dialogs on Windows, stops memory leaks in [info script], Tcl_Get*(), and Tcl_Obj cycles, stops a segfault when calling hypot(.) with MSVC, stops a panic in [interp limit], and fixes bad mode values returned by [file stat].
Release Notes: PNG format support in photo images. IPv6 networking support. Mac OS X: Tk is now built on Cocoa. New OO commands: [info ... call], [self call], and [nextto]. The command [$notebook config -tabposition] is enhanced. Default handling of <MouseWheel> events has been revised. New interfaces for NRE support by extensions.
