OpenAI has begun deploying an undetectable, machine-readable watermark called textGrain in ChatGPT and Codex, initially available only to users within the European Union. The company claims that textGrain's effectiveness matches or surpasses similar methods used by other AI developers, though it does not guarantee reliable detection or verify authorship. The move aligns with EU AI regulations, but has drawn some criticism from the community.
A survey of nearly 1,500 Android users reveals that over a third leave Bluetooth codec settings at default, while only about a third actively customize them. Nearly 31% are unaware that such options exist, highlighting limited user engagement with advanced audio configurations. The default settings are managed automatically, often without user input.
GitHub has added two new options for repository owners to control pull request access. Users can now disable pull requests entirely or restrict their creation to collaborators only, providing more flexibility for different project types. These features are available across all repositories and can be configured in the repository settings.
OpenAI announced plans to implement an invisible watermark in text generated by ChatGPT and Codex, starting in Europe to comply with the EU AI Act. The watermark, called textGrain, adds a statistical signal to the output, which can be detected by a dedicated tool to verify AI authorship. API users worldwide will also have the option to enable watermarking for certain models.
Researchers are increasingly using cell-free protein synthesis platforms to produce proteins without relying on living cells. This approach involves extracting cellular machinery and using it as a molecular factory, allowing for faster and more flexible protein production. The technology has roots in early genetic research and continues to evolve with various systems available, including bacterial, eukaryotic, and purified component-based methods.
A developer built a new domain lookup application called heade.rs over a weekend, utilizing Claude Code and deploying it on Cloudflare. The tool provides DNS, registration, email, and HTTPS details with a user-friendly interface, all at minimal cost. Unlike commercial options, it is designed solely for usability without sales or upselling.
OpenAI revealed plans to implement an invisible watermarking system for its ChatGPT and Codex models, starting with EU users and API customers who can opt in. The watermarking will be limited initially, with broader rollout expected in the coming weeks, and access to the detection tool is being granted to select researchers.
OpenAI announced it will embed an invisible digital watermark into text and code produced within the European Union, complying with recent EU AI transparency regulations. The watermarking system, called textGrain, adds statistical signals to the output, which can be detected by specialized software, though with varying success rates. Initially, the feature will be available as an opt-in for select models and limited to approved researchers and organizations in the EU.
OpenAI announced plans to embed invisible watermarks into text produced by ChatGPT and Codex within the European Union, using its new textGrain technology that subtly alters word choices to create detectable patterns. This feature will be available in the EU first, with API developers worldwide able to opt in, though it remains off by default. The company also opened applications for its watermark detection tool, which is initially limited to approved researchers. Tests show that editing generated text can significantly diminish watermark detectability, especially with minor modifications or shorter responses.
Security researchers report that malicious actors are probing Rejetto HFS servers for a critical vulnerability, CVE-2026-61500, which affects versions 3.0.0 to 3.2.0. The flaw involves weak session cookie signing due to non-cryptographic random number generation, enabling attackers to forge administrator sessions and execute remote code. Observations indicate the scans originate from a China Telecom IP address targeting servers in Japan and the US.
A new implementation within Linux containers removes several powerful capabilities, including audit controls, suspend prevention, and file system access, by modifying capability sets in a concise codebase. These changes aim to restrict container privileges and enhance security.
OpenAI is deploying text watermarking features for ChatGPT and Codex users within the European Union, starting with an opt-in option for API clients worldwide. The company also plans to provide access to detection tools for approved researchers and organizations to evaluate watermark effectiveness, without making the detector publicly available initially.
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