Changes in Tcl/Tk 9.0.3

Tcl: release message (markdown file)

Tk: release message (markdown file)

November 13, 2025.

Tcl Changes

Bug fixes

• On Unix, IsTimeNative() always defined but not always used
• Tweak install permissions
• interp creation resets encoding directory search path
• Pointer arithmetic with NULL in buildInfoObjCmd()
• TclPushVarName(): pointer overflow
• Add IWYU export pragma annotations
• Windows: Install man pages
• Windows: Install pkgconfig
• Non-existent variables are ignored if re is {}
• bug in single-argument 'max' with bignums

Updated bundled packages, libraries, standards, data

• Itcl 4.3.5
• http 2.10.1
• opt 0.4.10
• platform 1.1.0
• sqlite3 3.51.0
• tcltest 2.5.10
• Thread 3.0.4
• TDBC* 1.1.13
• dde 1.4.6
• Unicode 17.0.0

Known bugs

• changed behaviour wrt command names, namespaces and resolution
• windows dos device paths inconsistencies and missing functionality
• load library (dll) from zipfs-library causes a leak in temporary folder
• lsearch -sorted -inline -subindices incorrect result
• "No error" when load fails due to a missing secondary DLL

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Tk Changes

Bug fixes

• Pressing Alt-<key> triggers an error popup
• error popup on ttk::scale with invisible trough
• loading windows dll's in Cygwin doesn't work with high-entropy-va
• TIP 604 widget demo: canvas text fill color not specified
• Undefined behavior while touchpad scrolling
• leak in XCreateBitmapFromData() in ImgGetPhoto()
• Add support for Copy/Cut/Paste keys in X11
• Aqua: compiler warning in tkMacOSXImage.c
• tkpWinRopModes[GXnoop] is R2_NOT, should be R2_NOP
• image svg: support paint order and fix possible nan race condition
• Windows: install man pages
• Windows: install pkg-config file
• Windows: Missing border pixels in alt theme
• nanosvg upstream changes: #273, #275: add paint order parsing
• Artifacts in a few themed widgets on x11 and aqua
• Core dump Tk_GetFontFromObj
• MS-Win canvas arcs with small extent are drawn 360 degrees
• pixel values can report false list lengths
• Xft text is unusable for 32-bit visual when default visual is 24-bit
• tk print: several issues printing i18n text
• tk print, canvas: raw smooth not implemented
• Aqua: avoid use-after-free during RefocusGrabWindow()
• Aqua: ttk::notebook tabs
• Fix crash on exit due to faulty asm code in DllMain

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

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Category Documentation | Changes in Tcl/Tk