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Android 13: notification and media permissions
API 33, August 2022. Notifications became a runtime permission, READ_EXTERNAL_STORAGE split into three media permissions, and a system photo picker needs no permission at all.
Notes
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Field notes, long-form articles, manuals, and decision records — written while building, kept current or explicitly marked stale.
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Android 14: typed services, selected photos
API 34, October 2023. Apps targeting below 23 stopped installing, users could share only the photos they picked, and every foreground service needed a declared type.
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Android 15: edge-to-edge, private space
API 35, October 2024. Apps targeting 35 draw edge-to-edge, dataSync services get six hours a day, private space hides apps behind a lock, and native code must handle 16 KB pages.
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MHS is not MCP for hardware
Anthropic opened its hardware standard on 27 August as a closed research preview. It is not built on MCP, and the number worth quoting comes from a laser lab.
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The number Codex Security did not publish
OpenAI open-sourced its security scanner and reported 92% recall. The number that decides whether the findings are usable — precision — was never published.
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What Chandra's 85.9% OCR score does not tell you
An open 5B model beats Gemini and GPT-5 Mini at document OCR. Two things the leaderboard omits: who wrote the benchmark, and what the licence permits.
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8 GoF patterns that decide if your Android app scales
Eight Gang-of-Four patterns that decide whether an Android app scales — the pattern, the problem it solves, and the Kotlin that makes it click.
Note
Pretext: skip the browser's most expensive operation
Measure text once with a canvas font oracle, then lay out lines with pure arithmetic — no DOM reads, no reflow. A four-part series with two live demos.
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