Top HN Daily Digest · Tue, Sep 29, 2026

A daily Hacker News digest with story summaries, thread context, and direct links back to the original discussion.


3. Dots: Always-on agents (openai.com)

766 points · 646 comments · by alvis

OpenAI introduced “dots,” always-on AI agents powered by GPT-6 Astra that can connect to more than 4,000 apps, work autonomously across channels, learn user preferences, and support organizations through specialized, permission-controlled agents. [src]

19. Tcl/Tk 9.1 (tcl-lang.org)

304 points · 144 comments · by dmux

Tcl/Tk 9.1.0, released September 29, 2026, adds Unicode normalization, new Tcl commands and C APIs, improved timing and list handling, accessibility and bidirectional text support in Tk, and a new toggle-switch widget. [src]