Johann Hofmann — I work on AI Security in Google Chrome. Notes on browsers, engineering, and keeping things in plain text.https://leatherbacks.net/enhttps://leatherbacks.net/writing/shipping-a-permission-prompt/https://leatherbacks.net/writing/shipping-a-permission-prompt/Four rewrites, one dialog, and the part nobody sees.Wed, 12 Aug 2026 00:00:00 GMTengineeringhttps://leatherbacks.net/writing/why-tab-titles-lie/https://leatherbacks.net/writing/why-tab-titles-lie/A short investigation that ended somewhere I did not expect.Tue, 30 Jun 2026 00:00:00 GMTbrowsershttps://leatherbacks.net/writing/diffing-config-files/https://leatherbacks.net/writing/diffing-config-files/Eighty lines of Python I now use every day.Mon, 04 May 2026 00:00:00 GMTtoolshttps://leatherbacks.net/writing/three-years-of-plain-text-notes/https://leatherbacks.net/writing/three-years-of-plain-text-notes/What survived, and what I quietly stopped doing.Wed, 18 Feb 2026 00:00:00 GMTnoteshttps://leatherbacks.net/writing/on-not-giving-talks-anymore/https://leatherbacks.net/writing/on-not-giving-talks-anymore/Sun, 09 Nov 2025 00:00:00 GMTnoteshttps://leatherbacks.net/writing/the-cache-that-outlived-its-feature/https://leatherbacks.net/writing/the-cache-that-outlived-its-feature/A bug story with a tidy ending.Tue, 22 Jul 2025 00:00:00 GMTengineeringhttps://leatherbacks.net/writing/reading-the-font-stack-of-the-web/https://leatherbacks.net/writing/reading-the-font-stack-of-the-web/Sat, 15 Mar 2025 00:00:00 GMTbrowsershttps://leatherbacks.net/writing/my-makefile-is-my-readme/https://leatherbacks.net/writing/my-makefile-is-my-readme/Sun, 01 Dec 2024 00:00:00 GMTtools