An **8K polling rate** means the keyboard reports its status to the computer 8,000 times per second (every 0.125 ms), minimizing input lag for ultra-responsive performance, especially beneficial for gaming and fast typing on compatible modern systems.[1][3][6]

To enable **8K polling rate**, open the Keychron Launcher app, connect the keyboard, select 'Advanced Mode,' and adjust the polling rate setting to 8000Hz for wired or wireless 2.4 GHz modes; note it defaults to 1K Hz for compatibility with older systems.[1][5][7]

Dell's Presidents' Day deals are limited-time offers that expire at midnight on Presidents' Day, Monday, February 16, 2026, though some related promotions extend to March 2, 2026.

Customers can earn 2X Dell Rewards during Presidents' Day, and purchasing any laptop or desktop qualifies for 30% off the Dell 24-inch Monitor (SE2425HM), with the discount applied in cart.

INDX is a real-time cash settlement platform launched by Fiserv that enables digital asset companies to securely store and transfer US dollars 24/7/365 in milliseconds using a single custodial account distributed across the Fiserv Deposit Network of over 1,100 insured US financial institutions, keeping funds off-chain within traditional banking systems.

INDX provides up to $25 million in FDIC insurance eligibility per custodial account—100 times more than standard accounts—through distribution across insured institutions, ensures final settlement in milliseconds without on-chain risks, and offers programmable APIs for institutional controls, all while staying within regulated US banking networks.

LEGO Build Along is a collaborative building concept where parents and children build matching LEGO sets side by side based on shared passions, fostering teamwork, problem-solving, cognitive, social, and emotional development while strengthening family bonds.

Collaborative LEGO building enhances cognitive skills like problem-solving and spatial awareness, fine motor skills through brick manipulation, social skills such as communication, sharing, and teamwork, emotional development including patience and compromise, and language skills via describing builds and storytelling.

One UI 8.5 represents a refinement of One UI 8 with design improvements, customization enhancements, and AI-driven features. One UI 9 would be the next major version in Samsung's operating system evolution. Samsung typically tests new major OS versions on select devices before broader rollout. Foldable devices like the Galaxy Z Fold and Z Flip often serve as testing grounds because they have unique hardware requirements and user interfaces that benefit from early optimization, ensuring the new OS works seamlessly with their distinctive folding screens and multi-window capabilities.

Samsung typically staggered its OS releases across device lineups based on launch timing and development cycles. The Galaxy S26 series launching later in 2026 will ship with One UI 8.5, which represents the latest stable, fully-optimized version available at that time. One UI 9, currently in testing phases on foldable devices, requires additional development and refinement before it reaches the stability and feature completeness needed for a flagship device launch. This approach ensures users receive a polished, thoroughly tested experience rather than a beta-stage operating system.

The Entity List is a compilation of foreign entities regarded as restricted recipients of items subject to U.S. Export Administration Regulations (EAR). SMIC (Semiconductor Manufacturing International Corp.), China's national semiconductor champion, was added to the Entity List because it is involved in the development and production of advanced-node integrated circuits and supports China's military-civil fusion strategy. Once on the Entity List, U.S. exporters must obtain a license from the Bureau of Industry and Security (BIS) before selling items to SMIC, and items uniquely required to produce semiconductors at advanced technology nodes (10 nanometers or below) are subject to a presumption of denial to prevent key enabling technology from supporting China's military activities.

Ion implanters are specialized semiconductor manufacturing equipment used in the production of advanced integrated circuits. They are subject to U.S. export controls because they are among the items uniquely required to produce semiconductors at advanced technology nodes. The export of such equipment to Entity List entities like SMIC requires specific BIS authorization, and violations of these restrictions—such as the alleged 56 unauthorized exports by Applied Materials—constitute serious violations of U.S. national security export control laws designed to prevent advanced semiconductor technology from supporting foreign military development.

iOS 26.3 introduces several practical improvements for iPhone users. The update includes an easier way to switch from Android to iPhone, tweaks to the Astronomy and Weather wallpaper gallery, and a new feature for iPhones and iPads with Apple C1 and C1X modems that allows users to limit precise location tracking using cellular with select service providers. The update also includes unspecified bug fixes and security updates. However, iOS 26.3 is primarily a maintenance update focused on stability rather than major new features, with more significant enhancements expected in the upcoming iOS 26.4 release.

iOS 26.3 does include important security updates that address several vulnerabilities. The update fixes accessibility issues that could allow attackers with physical access to view sensitive information, kernel issues that could cause unexpected system termination, and a critical vulnerability that could allow malicious apps to gain root privileges. While these are meaningful security improvements, iOS 26.3 is characterized as a minor mid-cycle update rather than an emergency patch. Users should install it when convenient, but it is not an urgent critical security release.