Developers flagged a Microsoft Defender false positive occurring with recent QGIS MSI installers. Users encountering a "ScarletFlash" trojan warning are advised to verify their installer hash, as it is a known machine-learning misidentification. 🛠️ Featured Plugins
While code development continues for the 4.0 branch, the project implemented major infrastructure updates in December 2025 : qgis news december 2025 release