Download Notepad++ v8.9: security enhancements

Release Date: 2025-12-27

GPG Notepad++ Public key: Use it for the verification of GPG Signature.
SHA-256 digests of binary packages for checking the integrity of your Notepad++ download. GPG Signature

Remove Notepad++ self-signed certificate signature, use only the certificate issued by GlobalSign. (Fix #16806)
Security enhancement: Log security errors automatically in “%LOCALAPPDATA%\Notepad++\log\securityError.log” (Implement #17305, #WinGUp)
Fix jarring color regression in dark mode (introduced in v8.8.9). (Fix #17289)
Fix “/noUpdater” installer option not working if updater was previously installed. (Fix #17287)
Fix column mode edit undo regression (introduced in v8.8.9). (Fix #17295, #17272, #16784)
Fix issue where an empty file opened without encoding under a UTF-8 system codepage. (Fix #17258)
Add makefile function list parser. (Fix #17293)
Improve performance & add missing file ext. from langs.model.xml to langs.xml.(Fix #17290, implement #17314, implement #17306)
Improve “Open containing folder in Explorer” command to avoid creating Explorer process. (Fix #17060)
Allow updating mouse scroll amount according to OS settings changes. (Implement #17300)