HN Daily - May 21, 2026

Thursday roundup: Flipper One asks the community to help finish an open Linux pocket cyberdeck (8-core RK3576, NPU, 8 GB RAM, Wi-Fi 6E, dual GbE, M.2 expansion, mainline kernel) Google's Antigravity 2.0 silently replaces the IDE with a chatbot via background update; engineer's chat history and settings purged Seattle Shield: SPD-operated intelligence network shares surveillance bulletins with Amazon, Facebook, ICE, FBI, NYPD, and hundreds of others — 17 years, zero publicly cited arrests Google packs new ad formats into AI Mode: Conversational Discovery, Highlighted Answers, AI-powered Shopping ads, Business Agent for Leads, expanded Direct Offers Waymo pauses Atlanta and San Antonio because robotaxis keep driving into floods; the recall last week didn't fix it Python 3.15 quietly ships: asyncio.TaskGroup.cancel(), threading.serialize_iterator / concurrent_tee, frozendict, json.loads(array_hook=...), Counter xor A 2021 M1 Max MacBook indexes a year of video locally with Gemma 4 31B Q4 — 28.4 GB model in RAM, 50.89 GB of swap, $140/mo cloud bill cut to $22 No Slop Grenade publishes the AI-etiquette manifesto: stop pasting AI-generated walls of text into conversations