Microsoft has released preview updates for Windows 11 versions 24H2 and 25H2, introducing several new features, including Voice Isolation for Voice Access, custom battery power-saving levels, improved touchpad settings and enhancements to File Explorer and Windows Search. The updates are currently available to Windows Insiders and will eventually roll out to all users as optional updates.

AMD is set to unveil AI hardware at an event in San Francisco in a bid to challenge Nvidia. The launch will include the first generation of Helios server racks and the Venice central processing unit for data centers. The Helios racks are positioned as competitors to Nvidia's latest offerings.

Cisco has introduced Antares, a family of small, open-weight AI models designed to identify software vulnerabilities. The models, Antares-350M and Antares-1B, are available on Hugging Face for verified users, while a more advanced version, Antares-3B, will be integrated into Cisco's security products. The models perform similarly to larger models like OpenAI's GPT-5.5 but at a lower cost.

Microsoft is addressing an Exchange Online issue that has mistakenly quarantined mailboxes since Sunday, affecting email and calendar access. The problem, linked to a recent infrastructure change causing excessive memory consumption, is similar to a previous incident. Microsoft is cleaning up excess indexing data to resolve the issue but has not provided a timeline for full remediation.