Notepad++ v8.9.8 Portable & Installer (X86/X64/ARM64) Multilingual & Minimalist

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Release Date: 2026-08-19

Spoiler: vulnerability fixes, bug-fixes & new enhancements:

1. Vulnerabilty: Fix an eventual crash while loading UDL.
2. Vulnerabilty: Fix an eventual crash when loading a UTF-16 file.
3. Vulnerabilty: Fix out-of-bounds array write.
4. Vulnerabilty: Fix authenticode verification bypass.
5. Vulnerabilty: Fix a TOCTOU issue in the Notepad++ Updater (WinGUp).
6. Vulnerabilty: Fix session backup path-traversal allowing deletiion outside backup directory.
7. Vulnerabilty: Fix potential exposure of Windows login info (SMB/NTLM) via UNC path.
8. Vulnerabilty: Fix shortcuts.xml HMAC bypass via the “Run a Macro Multiple Times”.
9. Vulnerabilty: Fix Null pointer in NPPM_SAVESESSION handler causing crash.
10. Vulnerabilty: Fix stack buffer overflow caused by overlong session paths.
11. Vulnerabilty: Fix Folder as Workspace "Run by system" target hijacking issue.
12. Fix crash in WM_COPYDATA COPYDATA_PARAMS for invalid payload.
13. Fix crash in API NPPM_ALLOCATE* calls.
14. Add an option to allow loading symlinks in Folder as Workspace.
15. Regression: Fix loading session for alone subview and doc/tab with untitle name.
16. Fix CJK IME issues in Save As dialog.
17. Update to Scintilla 5.6.6 & Lexilla 5.5.3.
18. Add plugin deactivation capability.
19. Add “-monitoringMode” command line argument to open files with monitoring enabled.
20. Fix Proxy Settings issue in portable mode.
21. Fix langs.xml model update not not applying file extension fields.
22. Fix luminosity slider in ChooseColor not visible in dark mode.
23. Fix empty sub-menus in compact language menu.
24. Fix Search Results vertical scrolling not matching with OS mouse settings.
25. Use modern question mark icon in dark message box.
26. Format count numbers using current locale separators when needed.


Code:
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