Simon Willison’s Weblog

28th May 2009 - Link Blog

Changes in Opera's user agent string format (via) How depressing... Opera 10 will ship with 9.80 in the User-Agent string because badly written browser sniffing scripts can’t cope with double digits.

Posted 28th May 2009 at 1:16 am

Recent articles

Locating the source of a mysterious beep with Claude - 9th November 2026
Hide your slop PR descriptions behind <details><summary> - 9th November 2026
Qwen 3.8 27B on my laptop can interpret model weights, too - 3rd November 2026
The U.S. Census Bureau and “Super Intelligence” - 2nd November 2026

This is a link post by Simon Willison, posted on 28th May 2009.

browsers 109 browsersniffing 2 opera 32 user-agents 8

Monthly briefing

Sponsor me for $10/month and get a curated email digest of the month's most important LLM developments.

Pay me to send you less!

Sponsor & subscribe