Changes in Tcl/Tk 8.6.15

Released September 13, 2024.

Tcl Changes

TIP 692 Deprecate Tcl_GetAlias(). Migrate to Tcl_GetAliasObj()
Invoke binding scripts for events with detail field NotifyInferior, *** POTENTIAL INCOMPATIBILITY ***
Tcl_NewObjectInstance() errors on namespace re-use, *** POTENTIAL INCOMPATIBILITY -- breaks Itcl 4.2 ***
TCL_PACKAGE_PATH change from Tcl list to platform path convention, *** POTENTIAL INCOMPATIBILITY ***
Make self work inside [$obj eval\]
Fix [$obj varname\] for linked varnames
Restore access to alternate data streams (ADS) in NTFS filesystems.
Fix crashes or hangs in...
- TclOO + coroutine, oo-22.
- entangled destructor and namespace deletion, oo-35.7.*
- destruction of reflected channel, iocmd-32.3.*
- select notifier with file descriptor >= FD_SETSIZE
- child invokehidden info frame, info-40.0
- focus -force, focus-8.1
- [$canvas dchars\], canvas-11.4
- [$menubutton destroy\]
Fix GENFUNC mode of Tcl_ParseArgsObjv(). See tests indexObj-7.*
Fix removal of oo variable by info exists. See oo-19.4
Fix byte compiled incr with wide int increment. See incr-1.31
Repair encoding flaws in info hostname visible for non-ASCII names
Fix incorrect string is control results on some private codepoints
Autoload of ::tcl::tm::path
Fix missing error message in some interp limit failures
Improved hash performance for some hash tables
Performance optimizations in several encoding primitives.
Correction to rare failed startup search for system encoding
Add encodings: koi8-ru, koi8-t
Add keycodes ISO_Group_Shift and dead_hamza

Appearance improvements for...
- focus ring, arrows, and classic theme
- last item in a ttk::treeview
- down arrow in ttk::combobox
Repair [$photo read -from\] flaws in GIF,PNG formats. imgPhoto-19.*
[$photo copy\] coordinate check error. See imgPhoto-12.5
Detect corrupt GIF file and raise error. See imgPhoto-18.6.1
Fixes to ttk::treeview subcommands 'see' and 'bbox'
Fix default font detection for high DPI
treeview identify now point aware
Fix broken undo/redo in text widget