8.17.26 | Firefox for iOS adblocker, Claude system prompts, third world engineer on RISC-V

This is a recap of the top 10 posts on Hacker News on Aug 17, 2026.Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights(00:00) - Intro (00:15) - Firefox for iOS now has a native adblocker (01:21) - Claude: System Prompts (03:05) - A third world engineer responds to ”RISC-V: They should have known better“ (04:39) - Tell HN: Cloudflare silently injects its analytics when you switch nameservers (05:56) - Stripe will reportedly acquire OpenRouter for $7B+ (07:26) - Qwen 3.8 27B is excellent, but it defaults to overthinking things (09:11) - The AI Credit Resale Economy (10:28) - The federal keyword lists that canceled billions in research funding (11:53) - St Lucie Nuclear Reactor Unit 1 manually shutdown, 3 control rods drop into core (13:07) - Nvidia dramatically reduces amount of OpenAI infra financing it may guarantee (14:12) - Outro Firefox for iOS now has a native adblockerhttps://support.mozilla.org/en-US/kb/block-ads-firefox-ioshttps://news.ycombinator.com/item?id=49319633Claude: System Promptshttps://platform.claude.com/docs/en/release-notes/system-promptshttps://news.ycombinator.com/item?id=49319556A third world engineer responds to ”RISC-V: They should have known better“https://rvembedded.com/blog_post/12/https://news.ycombinator.com/item?id=49321717Tell HN: Cloudflare silently injects its analytics when you switch nameservershttps://news.ycombinator.com/item?id=49322107Stripe will reportedly acquire OpenRouter for $7B+https://techcrunch.com/2026/08/16/stripe-will-reportedly-acquire-ai-gateway-startup-openrouter-for-7b/https://news.ycombinator.com/item?id=49323381Qwen 3.8 27B is excellent, but it defaults to overthinking thingshttps://simonwillison.net/2026/Aug/16/qwen-38-27b/https://news.ycombinator.com/item?id=49324985The AI Credit Resale Economyhttps://vectoral.com/blog/who-are-the-token-brokershttps://news.ycombinator.com/item?id=49320611The federal keyword lists that canceled billions in research fundinghttps://www.highereddive.com/news/inside-the-federal-keyword-lists-that-canceled-billions-in-research-funding/826203/https://news.ycombinator.com/item?id=49325159St Lucie Nuclear Reactor Unit 1 manually shutdown, 3 control rods drop into corehttps://www.wptv.com/news/treasure-coast/region-st-lucie-county/saint-lucie-nuclear-power-plant-unit-1-manually-shut-down-after-3-control-rods-drop-into-reactor-corehttps://news.ycombinator.com/item?id=49320856Nvidia dramatically reduces amount of OpenAI infra financing it may guaranteehttps://www.reuters.com/business/nvidia-scales-back-250-billion-openai-data-center-guarantee-wsj-reports-2026-08-14/https://news.ycombinator.com/item?id=49323686