changes.md

The source code for Tk is managed by fossil. Tk developers coordinate all changes to the Tk source code at

Tk Source Code

Release Tk 9.0.1 arises from the check-in with tag core-9-0-1.

Changes since Tk 9.0.0

• Canvas widget handles pixel objects incorrectly in Tk 9.0
• SIGABRT from Tk_DeleteErrorHandler()
• Tilde file syntax not available on 9.0 but used by "~/.Xdefaults"
• leftover use of tilde in filename string
• build failure on macOS < 10.13
• Two potentially bogus binding scripts for
• Aqua: canvas items are not always redrawn
• Aqua: color rgb values do not behave as expected when appearance is changed
• Aqua: winfo rgb . systemLabelColor returns a weird result on aqua
• Aqua: background thread became slower
• Use of Tcl_Obj vs char * in Widget storage
• cannot build .chm help file (Windows)
• Tk initialization overwrites thread specific data
• File clamTheme.tcl misses code related to the -indicatorforeground option
• Segfault when using menu(button) with the -font option
• TIP #706: Expose three Tk "In Context" functions via stubs table
• Bind mechanism vs. GNOME
• many PIXEL options don't keep their configured value

Release Tk 9.0.0 arises from the check-in with tag core-9-0-0.

Highlighted differences between Tk 9.0 and Tk 8.6 are summarized below, with focus on changes important to programmers using the Tk library and writing Tcl scripts containing Tk commands.

Many improvements to use of platform features and conventions.

• Built-in widgets and themes are scaling-aware.
• Improved support of two-finger gestures, where available
• The tk windowingsystem "aqua" needs macOS 10.9 or later

New commands and options

• tk sysnotify — Access to the OS notifications system
• tk systray — Access to the OS tray facility
• tk print — Access to the OS printing facility

Widget options

• New ttk::progressbar option: -text
• $frame ... -backgroundimage $img -tile $bool
• $menu id, $menu add|insert ... ?$id? ...
• $image get ... -withalpha ...
• All indices now accept the forms end, end-int, int+|-int

Improved widget appearance

• ttk::notebook with nondefault tab positions

Images

• Partial SVG support
• Read/write access to photo image metadata

Known bugs

• Inconsistent reporting of child geometry changes to grid container
• Inconsistency in whether widgets allow negative borderwidths
• slow widget creation if default font is not used
• The wm manage command does not work on current macOS versions
• Slow processing irregular transparencies
• text's cursor width on 0th column
• text widget breaks graphemes with combining diacritical marks