Notepad++ is a free (as in “free speech” and also as in “free beer”) source code editor and Notepad replacement that supports several languages. Running in the MS Windows environment, its use is governed by GNU General Public License.

Based on the powerful editing component Scintilla, Notepad++ is written in C++ and uses pure Win32 API and STL which ensures a higher execution speed and smaller program size. By optimizing as many routines as possible without losing user friendliness, Notepad++ is trying to reduce the world carbon dioxide emissions. When using less CPU power, the PC can throttle down and reduce power consumption, resulting in a greener environment.

Notepad++ v8.9.2 new security enhancements, feature, regression fix & bug-fix:

Security enhancement: Make updater check interity & authenticity of server-returned XML (XMLDsig). (Implement #17441)
Security enhancement: Fix untrusted search path vulnerability by launching explorer.exe (Fix CVE-2026-25926)
Security enhancement: Make auto-updater (WinGUp) even more secured. (Remove unsecured options, remove dll dependency, launch only signed program for plugin management)
Fix a plugin installation crash due to incorrect processing catch. (Fix #issue)
Add redact selection feature – Default: █, Modifier (Shift + Click): ●. (Fix #17363)
Fix context menu shortcut localization not aligning to the right regression. (Fix #17467)

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