Anthropic says Claude Mythos Preview has been used to find more than 10,000 high- or critical-severity vulnerabilities since the launch of Project Glasswing (Anthropic)
https://www.anthropic.com/research/glasswing-initial-update
RE: https://techhub.social/@Techmeme/116280875175558560
ICYMI this dumb move by the FCC
OpenAI releases Privacy Filter, an open-weight model for masking personally identifiable information in text, with 1.5B total and 50M active parameters (OpenAI)
https://openai.com/index/introducing-openai-privacy-filter
Anthropic says it has fixed three causes of recent Claude Code quality issues: reduced default reasoning, a caching bug, and a system prompt to reduce verbosity (Anthropic)
https://www.anthropic.com/engineering/april-23-postmortem
OpenAI releases ChatGPT for Clinicians, a tool for medical tasks like documentation and research, free for verified physicians, pharmacists, and more in the US (OpenAI)
https://openai.com/index/making-chatgpt-better-for-clinicians
Alibaba launches Qwen3.6-27B, an open-weight dense model with 27B parameters, saying it surpasses Qwen3.5-397B-A17B on major coding benchmarks (Qwen)
https://qwen.ai/blog?id=qwen3.6-27b
X says it is deprecating X Communities, giving members until May 30 to migrate to XChat, and plans to increase group chat limits to 1,000 in the next two weeks (Nikita Bier/@nikitabier)
https://x.com/nikitabier/status/2047041338106159484
The UK ICO fines Reddit £14.47M for unlawfully using children's personal information; Reddit began verifying user ages in July 2025 to comply with the UK OSA (Tom Singleton/BBC)
https://www.bbc.com/news/articles/cwyx0xggepjo
OpenAI says "GPT-5.5 matches GPT-5.4 per-token latency in real-world serving, while performing at a much higher level of intelligence" (OpenAI)
https://openai.com/index/introducing-gpt-5-5/