Web Hosting & Remote IT Support Microsoft Defender, the company’s antivirus program for Windows, is getting a new mode designed to make life easier for software developers. It is called “Performance mode”, works on Windows 11, and aims to minimize the impact scans can have on files found on Dev Drives. For the uninitiated, Dev Drives are a new type of storage volume, which uses the Resilient File System (ReFS) to make data more resistant to corruption. They were first introduced during this year’s Microsoft Build conference, BleepingComputer reminds, and is currently available in public preview. Dev Drives are used mostly to hold large data sets, but Defender was slowing build speeds down, apparently. Now, with the Performance mode, build speeds can get a boost of up to 30%, according to Microsoft's Chief Product Officer for Windows and Devices Panos Panay. Securing workloads "Dev Drive is based on the Resilient File System, which, combined with a new performance mo