Microsoft has released new Windows 11 preview builds in the Insider program featuring a redesigned taskbar settings section. Build 26220.8754 introduces a dedicated Taskbar Size setting to simplify how users personalize their desktop interface. This update also includes refined transitions between different taskbar sizes to ensure a smoother visual experience during adjustments.

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Multi-agent systems decompose complex AI workloads into specialized, independently deployed agents that mirror microservice architectures. A significant challenge in these systems is maintaining conversational context across agent boundaries when services share no underlying infrastructure. The Agent-to-Agent (A2A) protocol provides a standard for this communication, utilizing context identifiers and structured message parts to manage task continuity.

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Italy's antitrust regulator has launched an investigation into Microsoft regarding potential unfair commercial practices. The probe focuses on recent price increases for Microsoft 365 subscriptions following the integration of new features. Authorities are examining whether the company provided adequate transparency during this transition.

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Microsoft is developing a new utility for the PowerToys suite called Alt Window Cycle to streamline window management. This feature allows users to cycle exclusively through open windows of the currently active application rather than every open program on the system. It aims to reduce the clutter and time spent navigating through the standard Alt+Tab interface when multiple instances of the same software are running.

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The Trump administration has requested that OpenAI delay the broad release of its upcoming GPT-5.6 model due to potential national security concerns. In response, CEO Sam Altman announced that the model will initially launch only in a limited preview capacity for a select group of enterprise customers. This shift marks a significant intervention by the federal government into the deployment timelines of advanced artificial intelligence systems.

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