October 4, 2026
Today's top tech stories, deduped across the newsletters I read and briefly summarized. Click a source to open the original article.
AI
Aleph Alpha launches Kolibri, a sovereign open-weight model
Aleph Alpha has launched Kolibri, which the company describes as a sovereign open-weight model. The story drew 543 points on Hacker News.
OpenAI safety leader quits, warns company culture is 'broken'
A safety leader at OpenAI has resigned and warns that the company's culture is broken. The Guardian reports the story.
Getting the most out of Opus 5.5 in Claude and Claude Code
A new guide on claude.dev offers tips for getting the most out of Opus 5.5 in Claude and Claude Code.
Google Gemini could soon get full access to your Mac's files and apps
Gemini could soon access any file on macOS, open apps, browse the web, and take actions without asking permission each time.
Security
ShinyHunters hacker reportedly detained in Jordan, aiding FBI
A suspected ShinyHunters member known as "Rey" has reportedly been detained in Jordan. He is cooperating with the FBI to locate other members of the extortion group.
DTU breach may expose data of up to 200,000 people
The Technical University of Denmark says hackers accessed its identity and access management system and downloaded a large amount of data. Information on up to 200,000 users may be exposed.
Dev
Simon Willison: We need default hard budget caps
Willison argues pay-by-usage services and APIs should ship with hard budget caps by default. Once a monthly limit is hit, the service cuts off and returns errors.
Valve's Timur Kristóf improves old AMD GPUs on Linux
Valve developer Timur Kristóf presents his work on improving support for older AMD GPUs on Linux. Phoronix covers the XDC 2026 talk.
Cloudflare wants developers to build the next Git platform on Cloudflare
Cloudflare is asking developers to build the next Git platform on its infrastructure. The post drew 110 points on Hacker News.
C++ Insights shows your source code as the compiler sees it
The C++ Insights tool lets developers see their source code the way a compiler interprets it. The project drew 143 points on Hacker News.
IT
FTL: A new operating system for clouds
FTL is presented as a new operating system built for cloud environments. The project drew 156 points on Hacker News.
Other
Federal judge calls Flock 'indiscriminate mass surveillance'
A federal judge has criticized Flock's surveillance system, calling it indiscriminate mass surveillance. TechCrunch covers the ruling, which drew 360 points on Hacker News.