The Stack — May 21, 2026

Today's technology briefing highlights significant developments in AI/ML, industry moves, cybersecurity, and software development.

AI/ML

Google has introduced its Gemini 3.5 Flash AI model, promising efficiency improvements and faster outputs, which could lead to cost savings for companies using AI at scale. Meanwhile, OpenAI has adopted Google's SynthID watermark technology, enhancing the verification of AI-generated images. This move underscores the importance of content provenance in AI applications.

Additionally, the tech community is exploring new methodologies like formal verification gates for AI coding loops, aiming to ensure software correctness and security, particularly in multi-tenant environments.

Industry

In a major industry move, NextEra Energy and Dominion are planning a $67 billion merger to form a large utility company, driven by the growing electricity demand from data centers. This merger could accelerate NextEra's ambitions in the data center sector, though it raises concerns about potential consumer and environmental impacts.

Google continues to expand its AI capabilities, unveiling a revamped search experience that integrates AI for more interactive and personalized user interactions. This overhaul is part of Google's broader strategy to reduce reliance on traditional search links.

Quartermaster has secured $43 million in Series A funding to advance its SmartMast technology for maritime data collection, aiming to improve operations and safety at sea.

Cybersecurity

GitHub confirmed a breach affecting 3,800 internal repositories due to a compromised employee device, highlighting ongoing challenges in securing open-source platforms. The breach, linked to a malicious VS Code extension, underscores the need for robust security measures in software development environments.

Software Development

OpenBSD 7.9 has been released with updates to system calls, package management, and security enhancements, reflecting ongoing improvements in operating system security and functionality. Meanwhile, Node.js 26.0.0 introduces the Temporal API and updates to the V8 JavaScript engine, aiming to modernize the platform and enhance performance.

These developments reflect the tech community's focus on enhancing efficiency, security, and functionality across various platforms and technologies.