October 18, 2026
Today's top tech stories, deduped across the newsletters I read and briefly summarized. Click a source to open the original article.
AI
DeepSeek releases V4.1-Flash-1017
DeepSeek has published DeepSeek-V4.1-Flash-1017 on Hugging Face. It scored 750 points on Hacker News, the top story there today.
"You could have invented transformers from memory"
A blog post on alexwang.ai explains transformers through associative memory. It scored 517 points on Hacker News.
Llmspeed lets you feel local LLM speed before buying hardware
The Show HN project Llmspeed lets users experience how fast a local language model runs before they buy hardware. It scored 263 points on Hacker News.
Security
Hackers breach Microsoft 365 tenants through ConnectWise
ConnectWise shut down customer access to its Cloud Backup service (formerly SkyKick Cloud Backup) after hackers accessed application identities and compromised Microsoft 365 tenants.
Drupal patches critical RCE flaws
Drupal fixed two critical vulnerabilities that let attackers execute code remotely on sites running any supported version of the CMS. Drupal warns that exploits may appear soon.
Estonian online voting system source code is public
The source code of Estonia's online voting system, IVXV, is publicly available on GitHub. The story drew 181 points on Hacker News.
Dev
Anthropic: "Did a human read the code?" is an imprecise proxy
Simon Willison quotes Addy Osmani, Morgan Westlee Lunt, and Qing Wang, who argue the better question is what could go wrong with a change and which check, automated or human, should catch it. The quote comes from a post on code review at Anthropic.
Pele turns Mermaid diagrams into themeable SVG
Pele renders Mermaid diagrams as SVG that you can style with themes. It scored 306 points on Hacker News.
Esp32sim runs ESP32 firmware in the browser
The Show HN project Esp32sim lets developers run ESP32 firmware directly in the browser. It scored 138 points on Hacker News.
Commodore 64 simulator lets you break chips and pins
Antirez built a Commodore 64 hardware simulator where you can break chips and pins and see the results. It scored 158 points on Hacker News.
Web
Inline rendering with document.currentScript
Lean Rada describes a trick that uses document.currentScript to render content right where the script sits in the HTML. Simon Willison highlights it.
Other
Solar power passes nuclear globally for the first time
According to pv magazine, solar now generates more power than nuclear worldwide. The story drew 511 points on Hacker News.