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Weekly Tech and AI News: Fiber Shortages, Waymo Recall, and GitHub Copilot Limits
AI Data Centers Drive Severe Fiber Optic Glass Shortages
The rapid expansion of AI data centers continues to drive severe fiber optic glass shortages, as these advanced facilities require 36 times more fiber than standard server designs. Major Chinese optical fiber manufacturers are currently running at full capacity, with orders booked into early 2027. This unprecedented demand for AI infrastructure has pushed cable delivery lead times out to a full year. The global supply chain is struggling to match this growth, highlighting the massive physical resource requirements of modern artificial intelligence and machine learning (ML) operations.
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Waymo Recalls Autonomous Fleet Following Salado Creek Flooding Incident
Waymo has issued a recall for its autonomous vehicle fleet after a robotaxi was swept into Salado Creek on April 20 due to failing to properly navigate untraversable, flooded conditions. The Waymo recall involves a critical over-the-air (OTA) software update designed to improve the autonomous fleet’s handling of extreme weather and flooded roadways. Fortunately, no injuries were reported during the incident. Waymo has temporarily suspended its self-driving operations in San Antonio while it implements the permanent software fix.
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Humanoid Robot Flight Ban: Southwest Airlines Cites Lithium-Ion Battery Fire Risks
Southwest Airlines has officially implemented a humanoid robot flight ban, prohibiting passengers from bringing human- or animal-like robots onto its flights as either cabin carry-ons or checked baggage. The Dallas-based airline cited severe safety concerns regarding the large lithium-ion batteries required to power these humanoid robots, which pose a significant fire hazard in the air. This new flight ban applies regardless of the robot’s size or intended purpose, highlighting the growing regulatory and aviation safety challenges as advanced robotics become more accessible to consumers.
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Kubernetes Cloud Infrastructure: CoreWeave Launches AI Model Training Sandboxes
CoreWeave has officially introduced CoreWeave Sandboxes, a new execution layer designed to provide secure, isolated environments for AI researchers and platform engineering teams. This service specifically targets reinforcement learning, agent tool use, and AI model evaluation workloads. It is available on-cluster for users of the CoreWeave Kubernetes Service and as a serverless option through Weights & Biases. These sandboxes feature advanced session management, storage integration, and monitoring capabilities, ensuring that failures in one isolated virtual environment do not impact other workloads within the Kubernetes cloud infrastructure.
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AI Cloud Infrastructure: Nebius Reports Eightfold Revenue Surge Amid Nvidia GPU Demand
Nebius Group has reported a near eightfold surge in revenue, driven by massive global demand for its AI cloud infrastructure and Nvidia GPU computing platforms. The company, which serves major enterprise clients like Meta and Microsoft, noted that market demand continues to heavily exceed its available compute capacity. To support its rapid expansion, Nebius plans to leverage asset-backed financing and corporate debt. Industry analysts now position Nebius alongside CoreWeave at the top of the emerging “NeoCloud” hierarchy for AI cloud computing.
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GitHub Copilot Changes: New Sign-Ups Paused and Usage Limits Tightened
Significant GitHub Copilot changes are officially rolling out to manage increasing compute demands and maintain overall service reliability. GitHub has paused new sign-ups for its Copilot Pro, Pro+, and Student plans. Furthermore, the developer platform is tightening usage limits for existing individual plans and removing Opus models from the standard Pro tier, reserving them exclusively for Pro+ users. These strategic adjustments aim to address the highly resource-intensive nature of agentic workflows and ensure a predictable, stable experience for current AI coding assistant subscribers.
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