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My Agentic Diaries
Issue #54  ·  September 20th, 2026
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The Brief

AI-generated posters don’t have to be horrible

Leading today: AI-generated posters don’t have to be horrible. Also in this issue: I think you should almost never use AI to write; Petlibro’s new AI-powered feeder is a game changer for multi-cat homes. 15 stories in total, selected automatically from 47 candidates across the day's feeds.

Headline News
1
john.hartnup.uk
AI-generated posters don’t have to be horrible

Trending on Hacker News (1347 points, 760 comments).

2
erichgrunewald.substack.com
I think you should almost never use AI to write

Trending on Hacker News (209 points, 115 comments).

3
techcrunch.com
Petlibro’s new AI-powered feeder is a game changer for multi-cat homes

Petlibro's new Granary 2 smart feeders use a built-in scale and (on pricier models) an AI camera to track exactly how much your cat is eating and when — though the fanciest health-monitoring features will cost you an ext...

New Today
openai.com
Introducing the Australian Youth Safety Blueprint

OpenAI introduces the Australian Youth Safety Blueprint, a six-pillar roadmap for safer AI experiences that protect and empower young people.

Read →
the-decoder.com
Unity launches official plugins for Claude Code and OpenAI Codex to stop AI agents from using outdated tutorials

Unity has released official plugins for Claude Code and OpenAI's Codex.

Read →
scmp.com
Alibaba open-sources AI model that can detect cancer and nearly 150 conditions

Trending on Hacker News (145 points, 21 comments).

Read →
marktechpost.com
OpenClaw Releases 2026.9.5 With Atomic Updates, Plugin Hot Reload, Conversation Sharing, and Expanded GPT Live

OpenClaw 2026.9.5 ships 4,179 pull requests from 502 contributing accounts. The headline change is Atomic Updates, which check the next version against a private copy of your setup while the current Gateway keeps running...

Read →
marktechpost.com
TypeSafe AI Releases Jev: A System One Model That Returns Typed, Calibrated Decisions Instead of Text

TypeSafe AI released Jev, a System One model that answers typed questions with probabilities instead of generating text. Input costs $0.042 per 1M tokens, and output tokens are free.

Read →
marktechpost.com
Meta Launches Muse for Mac: A Personal AI Agent That Works Across Your Files, Mail, Messages, Calendar and Notes

Meta has released Muse for Mac, the first version of Muse that can complete things on a user’s computer. The agent works with local files and native apps, where your data already lives.

Read →
Research & Engineering
the-decoder.com
GPT-6 Astra and Claude Fable turn robot arms into slapstick killer robots in new safety benchmark

Leading AI models usually attempt dangerous tasks rather than refuse them when controlling a robot, according to the RoboHarm benchmark.

Read →
marktechpost.com
Linkup Research Releases SPARSEUP: A 149M-Parameter Open-Source Sparse Embedding Model

Linkup Research has released SPARSEUP, an open-source sparse embedding model built on a 149M-parameter ModernBERT backbone.

Read →
simonwillison.net
datasette-auth-github 1.0

Release: datasette-auth-github 1.0 I run this GitHub login plugin on the agent.datasette.io demo site and I noticed that my authenticated sessions weren't lasting very long.

Read →
simonwillison.net
California Sea Lion, Brandt's Cormorant

California Sea Lion, Brandt's Cormorant, in Pillar Point Harbor, CA, US I only noticed this after I had taken the photo: Morris the Northern Gannet is peeking out from behind the base of the sign. Tags: wildlife

Read →
techcrunch.com
Prices go up in 7 days. Get your Disrupt ticket now.

Current ticket pricing ends Sept. 25 at 11:59 p.m. PT. Join 10,000+ founders, investors and tech leaders at Disrupt and save up to $200 on your ticket until then..

Read →
theverge.com
Meta’s Muse is creepy, but maybe not for the reasons you think

Meta's Muse is apparently an effective AI assistant, but one that's a little creepy. Part of that is because of its new Mac app, which can access Messages, Calendar, and Notes.

Read →

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