Show HN: Forked styled-components with optimizations (40% faster for Linear) https://ift.tt/wTCpdrv

Show HN: Forked styled-components with optimizations (40% faster for Linear) Hey HN! We forked styled-components after it entered maintenance mode because our production apps (and many others) can't migrate overnight. Backstory: We submitted PR #4332 ( https://ift.tt/A6tMZor... ) to styled-components in July 2024 with React 18 optimizations. When maintenance mode was announced, we turned that PR into this fork. What we fixed: - Added React 18's useInsertionEffect - Rewrote streaming SSR for React 19 - Replaced ES5 output with modern JS - Optimized array operations with native flatMap - Fixed Next.js App Router to work without 50+ lines of boilerplate Linear tested it and saw 40% faster initial renders with zero code changes. How to try it: npm install @sanity/styled-components@npm:styled-components Or for React 19: npm install @sanity/css-in-js@npm:styled-components Benchmark tool to test yourself: https://ift.tt/WrJbgFH We named it "last-resort" because that's what it is. We're not trying to maintain styled-components long-term - we're actually migrating to vanilla-extract ourselves. This is just a performance bridge while teams migrate properly. The React team recommends moving away from runtime CSS injection. We agree. But migrations take time, and production apps need to ship today. https://ift.tt/zWkEwiv September 12, 2025 at 12:07AM

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Show HN: Guish – A GUI for constructing and executing Unix pipelines https://ift.tt/HrXz5ub

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Twin Peaks for All: Survey Results By Benjamin Barnett Last month, the SFMTA and San Francisco Recreation and Parks Department released a survey seeking public feedback regarding  five proposed roadway options for Twin Peaks Boulevard . San Franciscans responded to the survey, ranked support for each alternative and shared opinions about how the different options met their needs.  The Twin Peaks for All survey was open for almost three weeks and received more than 1,700 responses. This number reflects the high level of interest for this San Francisco park and its future access.   Survey Background Conditions on Twin Peaks Boulevard between Portola Drive and Barnett Avenue before COVID street closures.   The Twin Peaks Boulevard gates were closed early in the pandemic to reduce crowding at the lookout point parking lot. The gates were closed on the north, at Burnett Avenue, and the south, at Portola Drive. Since then, Twin Peaks Park use by hikers, joggers and peopl...
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History in Motion: New Photos from the 1960s to 1980s Now Online

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History in Motion: New Photos from the 1960s to 1980s Now Online By Jeremy Menzies We’ve been hard at work in the SFMTA Photo Archive and recently uploaded two large collections of photos from the early 1960s to the 1980s to our website. These photos, both color and black and white, give a glimpse into the day-to-day operations of Muni and the streets of San Francisco. Here’s a selection of shots from this brand-new batch of photos, many of which have not been seen outside the Photo Archive in years.  This shot shows a typical evening rush hour scene from the mid-1970s taken at Market and Powell Streets.  The color photos from this era are all part of a collection that was most likely used for presentations, studies and as general “stock” type photos of San Francisco, streets and Muni facilities and operations. Subjects include project documentation, copies of maps and charts, street...
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