AI News Flash for February 19, 2026 at 02:00 UTC.

Topics:

1. OpenAI ChatGPT Lockdown Mode

https://openai.com/index/introducing-lockdown-mode-and-elevated-risk-labels-in-chatgpt/

2. Google gRPC Transport for MCP

https://www.infoq.com/news/2026/02/google-grpc-mcp-transport/

3. International AI Safety Report 2026

https://internationalaisafetyreport.org/publication/international-ai-safety-report-2026

4. Walmart Q4 FY2026 Earnings

https://corporate.walmart.com/news/events/fy2026-q4-earnings-release