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TypeSafe releases Jev Ultrafast, an open-source browser agent using indexed action targeting

TypeSafe has open-sourced Jev Ultrafast, a browser automation agent that reads a page's elements as an indexed table and picks an operation-target pair in a single network round trip, calling a small language model only when text needs to be generated. In a demo, it booked a Zürich-to-London flight search on Google Flights from a single natural-language goal in 7.1 seconds, including page load waits. The code, along with a local inspector interface for watching element probabilities and executed actions, is available on GitHub.

Study links school meal programs to higher adult earnings

A study finds that children who received school meal programs went on to earn more income as adults compared with peers who lacked such access. Researchers tracked long-term economic outcomes to establish this connection between childhood nutrition support and later earnings.

New 'BragJack' Exploit Hijacks Built-In Browser AI Assistants

Security researchers have identified a novel attack technique, dubbed BragJack, that exploits agentic AI assistants embedded directly in web browsers. The attack allows malicious actors to manipulate these assistants into accessing sensitive user information, performing unauthorized actions, and exfiltrating data without the user's knowledge.

Study finds tumour cells actively remodel surrounding tissue to evade immune attack

Researchers report that cancer cells don't just passively resist immune detection—they actively alter the tissue around them to create a protective microenvironment. This process helps shield tumours from being recognized and destroyed by the body's immune defenses.

New browser tool extracts all comments from Google Sheets exports

A developer launched a Show HN project that lets users upload an exported .xlsx Google Sheets workbook and extracts every comment thread from it in one list, showing the tab, cell reference, reply chains, and resolution status for each. The tool currently works only with spreadsheet files, not Google Docs or Slides. A companion add-on also lets users pull comments directly inside Google Sheets into a new tab without needing to export or upload a file.

Twitch add-on JeetBot leaks 30,000 users' OAuth tokens to Russian bot service

Security firm Socket found that the Chrome and Firefox extension 'Twitch Enhanced Viewer | JeetBot,' which promises ad-blocking and forced 1080p playback, secretly captures users' Twitch OAuth session tokens. The credentials are routed through proxy servers run by JeetBot, a Russian-language streaming and chatbot service, where they land in plaintext request logs accessible to the vendor. The extension exempts ten hardcoded Russian-language channels from this behavior, and its own store listing admits earlier versions sent tokens to its servers outright.

Web dataset shows real 1080p browser viewports average just 920px tall

A newly published Show HN project analyzed roughly 1,000 real browser viewport measurements and found that displays marketed as 1080p typically render usable browser content at around 920 pixels of height, once toolbars, address bars, and OS chrome are accounted for. The dataset organizes results by device environment, withholding rankings until each category collects enough samples, and separates out anomalies and legacy tablet data to keep results accurate.

Judge Dismisses Proposed Class Actions Against LinkedIn Over Browser Extension Scanning

A federal judge dismissed proposed class-action lawsuits accusing LinkedIn of improperly scanning users' browser extensions. The court ruled that the plaintiffs failed to show they suffered any concrete harm from the alleged scanning practice.

Roblox to launch browser play by 2026, offline mode by 2027

At its annual Developers Conference, Roblox announced plans to let players jump into games directly from a browser without downloading anything, starting with Chrome by the end of 2026. In mid-2027, the platform will also add offline solo play for spotty-connection areas, with early access arriving sooner, alongside a push to let creators publish standalone apps across mobile, PC and consoles under a 'Play Roblox Everywhere' initiative.

CSS quirks reveal decades of browser-specific hacks like IE's 'star hack'

A retrospective catalogs odd, non-standard CSS behaviors that browsers—especially old versions of Internet Explorer—have accepted over the years, such as property prefixes with asterisks, underscores, or hyphens, and near-arbitrary strings after an exclamation mark being treated as !important. These tricks let developers target specific browsers at a time when CSS lacked conditional logic and browser rendering was wildly inconsistent.

LinkedIn defeats browser-extension scanning lawsuits over lack of standing

A federal judge in California dismissed two proposed class actions accusing LinkedIn of illegally scanning users' browser extensions, ruling that the plaintiffs failed to show they actually had extensions installed that leaked private data to the company. Judge Vince Chhabria allowed the plaintiffs to amend their complaints but expressed skepticism they could ever establish a valid privacy claim, given that browser extensions are voluntarily installed and inherently share data with websites. One plaintiff's attorney says he may refile in state court or appeal to the Ninth Circuit.

Study identifies neurons that suppress growth of nervous-system cancer

Researchers have discovered a specific population of neurons that act as a natural brake on the growth of a nervous-system cancer, according to new findings published in Nature. The study details how these neurons interact with tumor cells to slow disease progression, offering fresh insight into the biology of nervous-system tumors.