Tcl/Tk 9.1.0

 Tcl/Tk 在 2026 年 9 月 29 日釋出了一個新的版本系列，也就是 9.1.x 系列，目前的版本為 9.1.0。

下面是網頁列出的 highlights。

Highlights of Tcl 9.1

• New command unicode: Unicode normalization
• New C routines Tcl_UtfToNormalized*: Unicode normalization
• New command timer: monotonic clock; microsecond resolution
• New command lfilter: select items from list
• New command interp set: variable access in child interpreter
• New subst options: -backslashes, -commands, -variables.
• New switch options: -integer.
• Many C99 math routines now available as expr functions.
• Applications now required to call an initialization routine, either Tcl_FindExecutable or TclZipfs_AppHook.
• New C routine Tcl_IsEmpty.
• New C routine Tcl_GetEncodingNameForUser.
• New C routine Tcl_AttemptCreateHashEntry.
• New C routines Tcl_ListObjRange, Tcl_ListObjRepeat, Tcl_ListObjReverse.
• New C time API using long long in place of Tcl_Time
• Case-insensitive filesystem paths on macOS.
• auto_execok and exec search reform on Windows.
• Revised searches for script library and encodings.
• Improved list internals for memory efficiency of large lists.
• Extended support for 64-bit sizes.

Highlights of Tk 9.1

• Accessibility screen reader support.
• Initial support for bidirectional text / RTL languages.
• New widget ttk::toggleswitch.
• New command tk attribtable.
• send command revised and improved on Aqua.
• Handling of negative screen distances.
• Extended states in ttk::treeview and ttk::notebook
• Improvements to Tk_CanvasTextInfo
• Rotated text on labels
• Limit message box and dialogs to physical screen width.
• Improved listbox selection colors.
• Removed obsolete support for Windows XP appearances.

NaviServer 4.99.34, 5.0.6, and 5.1.1

NaviServer 最近釋出了一系列的新版，4.99.34, 5.0.6, 與 5.1.1。

5.1 系列是個重要的版本更新，自 5.1.0 開始實驗性的支援 HTTP/3 協定（透過 nghttp3，需要 OpenSSL 4.0 以上的版本），從 5.1.1 開始 HTTP/3 實作的狀態從 expermiental 變更為 ready-for-use。

Next Scripting Framework 2.5.0

Next Scripting Framework 釋出了一個新的版本，2.5.0，更新的內容可以參考 Changes to NSF in version 2.5.0， 最重要的是增加了對於 Tcl 9+ 的支援。

Tcl/Tk 9.0.4

Tcl/Tk 釋出了一個 9.0 的維護版本，9.0.4。

Tcl/Tk 9.0.4 的主要改變可以參考 tcl-release-notes-9.0.4.md, tk-release-notes-9.0.4.md。

Tcl/Tk 8.6.18

Tcl/Tk 釋出了 8.6 系列的新版本，8.6.18。

這個版本的主要更新內容可以參考 tcltk-release-notes-8.6.18.txt。

注意：This is the last release of the 8.6 series unless very severe issues are found. Only Tcl/Tk 9 will be actively developed from now on.

TclTLS 2.0

TclTLS 釋出了一個十分重要的重大更新版本，v2.0。下面是這次更新的內容：

• Replaced build system with a new TEA compliant build system for Unix and windows.
• Restructured repo and fixed missing TCL Config files.
• Added TCL 9.0 support.
• OpenSSL 3 compatibility updates.
• Added more certificate and connection status.
• Add missing TLS 1.3 functionality, cipher suites, SNI, ALPN, etc.
• Error handing improvements, more connect status via callbacks.
• Fixed OpenSSL 3.0 unexpected EOF issue.
• When -require 1 is used, will auto validate server certificate.
• Fixed IO test cases.
• Fixed many open tickets on sourceforge and core.tcl.tk sites.
• Use of the Windows system certificate store as a source of trusted root certificates on OpenSSL 3.2 and later.
• Replaced set DH build args and file with auto select.
• Replaced process of including tls.tcl file in shared library with cross-platform compatible methods.
• Disable TLS 1 and 1.1 by default.
• Use -require 1 as default, when certificates are available.

下面則是我的簡單測試程式。

#!/usr/bin/env tclsh
package require http
package require tls

set protocol "http/1.1"
http::register https 443 [list ::tls::socket -autoservername 1 -require 1 -alpn [list [string tolower $protocol]]]

set tok {}
set url {https://duckduckgo.com/}

try {
    set tok [http::geturl $url -method GET -timeout 3000]
    puts "Status: [::http::ncode $tok]"
    puts "Status Text: [http::status $tok]"
    puts "Headers: [http::meta $tok]"
} on error {em} {
    puts "Error: $em"
} finally {
    # cleanup here
    if {[info exists tok]==1} {
        http::cleanup $tok
    }
}