source&pool
A daily wire of long-form journalism, video, and discourse — filed, tagged, and laid out flat.
VOL. I·NO. 01
WEDNESDAY, SEPTEMBER 16, 2026
Hacker News3697X 主题热门3593MacRumors79CNBC74YahooFinance649to5Mac60Kotaku44Verge43IGN339to5Google32Gematsu32aihot31NintendoLife30Engadget26Eurogamer25TechCrunch25BusinessInsider23Guardian20CNET15NBC15NPR15FoxBusiness14Polygon14Fortune13SeekingAlpha13bgr12Gizmodo12CBS11Wccftech11Investor'sBusinessDaily10Mashable10PushSquare10TechPowerUp10USAToday10WIRED10CNN8NintendoEverything8Notebookcheck8NewYorkPost8CrudeOilPricesToday8VideoGamesChronicle8ABC7ArsTechnica7Fox7GameInformer7WindowsCentral7BleepingComputer6AppleInsider5Deadline5DigitalFoundry5GamesIndustry.biz5PetaPixel5Variety5Yahoo5AlJazeera4AndroidPolice4DroidLife4MotleyFool4GameRant4Jalopnik4PureXbox4SamMobile4SlashGear4Hacker4AP3CanonRumors3ChromeUnboxed3CoinDesk3GameDeveloper3GSMArena3Motor13Blizzard3XBOXWire3PCMag3PCWorld3SeattleTimes3Space3Register3TweakTown3YGOrganization3ZDNET324/7WallSt.2Aftermath2AndroidCentral2AwfulAnnouncing2BleedingCool2BuzzFeed2CTech2DigitalCameraWorld2DualShockers2DW2EventHubs2Futurism2Hodinkee2Independent2Lifehacker2MassivelyOverpowered2MyNintendo2Nature2Newser2Newsweek2PaulKrugman2PokémonGOHub2RoadtoVR2RPGSite2Conversation2Intercept2NextWeb2Tom'sGuide2UploadVR2VideoCardz2WarhammerCommunity2WindowsLatest2YourTango2404Media143rumors1ABC111AboveLaw1ageofempires1AndroidHeadlines1AOL1AVClub1Benzinga1BikeRadar1Billboard1BloodyDisgusting1Borderlands1Bungie1Yahoo!FinanceCanada1CineD1CnEVPost1comicbook1CreativeBloq1CyberSecurityNews1DailyKos1DCRainmaker1derekthompson1Draftsim1CNN1Euronews1flatpanelshd1FrequentMiler1GAMINGbible1garymarcus.substack1GearPatrol1GeekWire1GeekyGadgets1Hackaday1HollywoodReporter1InsiderGaming1InterconnectsAI1InterestingEngineering1JapanTimes1KITCO1KrebsonSecurity1KSL1LosAngelesTimes1Lloyd'sList1WPLGLocal101Macworld1Maxroll1Mediaite1MiddleEastEye1MonochromeWatches1MPR1SemiAnalysis1Newsshooter1NoMan'sSky1nylon.com.sg1NYT1OregonLive1PCGamesN1PersonaCentral1Pokemon1politico.eu1PittsburghPost-Gazette1QuantaMagazine1qz1RockPaperShotgun1SammyGuru1ScienceAlert1ScientificAmerican1SouthChinaMorningPost1Semafor1SFGATE1YahooFinanceSingapore1YahooSingapore1SportsIllustrated1SimpleFlying1Sources1supercarblondie1Tedium1TelecomTalk1GameBusiness1TheGamer1Times1LongmontTimes-Call1TmoNews1TopGear1TwistedVoxel1YahooFinanceUK1UnHerd1vox1WhatHi-Fi?1WPBF1WRAL1
  1. 001Hacker NewsSEP · 16English

    The Arrival of Java 27

    Oracle announced the general availability of JDK 27, featuring nine significant enhancements including improvements to Java language features, security, performance, and libraries. Key additions include hybrid key exchange for quantum-resistant TLS 1.3, new cryptographic encoding APIs, AI inferencing support via pattern matching enhancements, G1 garbage collector as default, compact object headers, lazy constants initialization, structured concurrency APIs, and vector computation optimizations.

    By On September
  2. 002Hacker NewsSEP · 16English

    You can run Git on object storage if you re-make packfiles

    A developer is building a Git server backed by object storage, discovering that Git's packfile format was causing performance issues. They created a custom columnar packfile format optimized for object storage, enabling efficient handling of production-sized repositories without client-side changes.

    By Xe Iaso
  3. 003Hacker NewsSEP · 16English

    Show HN: Now You Can Use – Web Baseline Timeline

    Web Baseline Timeline showcases newly available web platform features including CSS functions (progress, sibling-count, contrast-color, shape), pseudo-classes for media and UI states, JavaScript APIs (Math.sumPrecise, Iterator.concat, Map.getOrInsert), security enhancements (Trusted Types, CSP reporting), and performance improvements like WebTransport and Zstandard compression.

    By Hyperlisk
  4. 004Hacker NewsSEP · 16English

    Ask HN: eBPF verifier packet tracking boundaries under volumetric socket drops?

    A developer asks about handling eBPF verifier packet pointer tracking limits when dealing with high-volume socket drops, specifically regarding bypassing userspace layer 7 bottlenecks through layer 4 transport splicing techniques.

    By devloperdevesh
  5. 005Hacker NewsSEP · 15English

    Ask HN: Why serialize documents to disk instead of memory-mapping runtime state?

    A developer questions why complex document formats aren't loaded via OS memory-mapping instead of parsing, describing their 2000s Java-based office suite that used 3D coordinate storage to open 50,000-page documents in 8 seconds. They explore using memory-mapped files with OpenJDK and CRaC to eliminate parsing overhead entirely, but encounter JVM runtime complications.

    By ShengATsao
  6. 006Hacker NewsSEP · 15English

    Benchmark Fatigue

    AI benchmarks like BioMysteryBench and Terminal-Bench are unreliable measures of model quality, with scores often failing to predict real-world performance or user preference. Inconsistencies between reported scores and public leaderboards, combined with frequent benchmark version changes, make these metrics misleading rather than useful for evaluating AI models.

    By Ruben Circelli
  7. 007Hacker NewsSEP · 15English

    Flet 1.0

    Flet, a Python framework for building cross-platform apps, released version 1.0 after four years of development, marking readiness for production use. The release includes comprehensive testing across platforms and Python versions, improved documentation generation, and performance enhancements like faster UI reconciliation and direct Python-to-Dart communication.

    By Ttps; Github Com; FeodorFitsner; Feodor Fitsner
  8. 008Hacker NewsSEP · 15English

    You can run Git on object storage if you re-make packfiles

    A developer built a Git server backed by object storage, discovering that Git's packfile format was the performance bottleneck. They created a custom columnar packfile format optimized for object storage, enabling efficient handling of production-sized repositories without requiring client-side changes.

    By Xe Iaso
  9. 009Hacker NewsSEP · 15English

    Swift 6.4 Released

    Swift 6.4 has been released, bringing improvements across the stack including cross-platform build consistency, stable subprocess support, enhanced interoperability with C++ and Java, faster WebAssembly performance, and better embedded Swift capabilities. The release simplifies everyday programming with features like optional type syntax improvements, compiler warning control, async defer blocks, and enhanced Foundation APIs.

    By Apple Inc
  10. 010Hacker NewsSEP · 15English

    Leadership Is the Last Line of Defence Against AI Mediocrity

    Leadership must defend quality standards against AI-enabled mediocrity by refusing to accept average outputs and communicating clearly when work falls short. The standards leaders approve today become organizational norms, making quality defense essential for long-term performance, trust, and differentiation. Most people want to do good work when given constructive feedback and support.

    By Brett Macfarlane
  11. 011Hacker NewsSEP · 15English

    Firefox 156 shows ads in the address bar (dubbed "Firefox Suggest")

    Mozilla released Firefox 156, which accelerates the PDF viewer by up to 45 percent and optimizes memory and CPU usage for large JPEG images. The update introduces Firefox Suggest in Germany, France, and Italy, displaying localized Wikipedia suggestions and sponsored ads in the address bar. The version also adds hardware H.264 video decoding for ARM devices, macOS auto-start functionality, and various bug fixes.

    By Heise Online; Moritz Förster
  12. 012Hacker NewsSEP · 15English

    LMAX Disruptor – High Performance Inter-Thread Messaging Library

    LMAX Disruptor is a high-performance, lock-free inter-thread messaging library designed to minimize latency and maximize throughput in Java applications. Originally developed to optimize LMAX's trading platform, it uses a ring buffer mechanism with cache-aware design to outperform traditional queue-based approaches by avoiding CPU cache misses and kernel locks.

    By High Performance Inter-Thread Messaging Library
  13. 013Hacker NewsSEP · 15English

    Lovable rewrites Vite in Rust – Reduces memory usage by 10x

    Lovable rewrote Vite in Rust, creating OJ, a single binary that reduces memory usage by 10x and achieves 4x faster cold starts for running a million sandboxed development previews daily. OJ maintains compatibility with existing Vite configs and plugins while eliminating the JavaScript runtime overhead, making it ideal for agent-based editing workflows.

    By About the author
  14. 014Hacker NewsSEP · 15English

    We timed 65 DynamoDB PITR restores. You can't predict the 66th

    A detailed analysis of 65 DynamoDB point-in-time restore operations found significant unpredictability in restore times, contradicting AWS documentation. The published 20-minute minimum was incorrect by a factor of five, and excluding secondary indexes during restore actually made recovery six to nine times slower, contrary to AWS guidance.

    By Jeff Reynar
  15. 015Hacker NewsSEP · 15English

    GDScript: The Good, Bad, and Ugly Parts

    A developer who ported a TypeScript system to GDScript shares a detailed analysis of the language's strengths, weaknesses, and design choices. GDScript was purpose-built for game development in Godot, offering native game-dev types, no garbage collector, first-class signals, and tight engine integration, though it has trade-offs in performance and feature completeness compared to general-purpose languages.

    By Bruno Dias
  16. 016Hacker NewsSEP · 15English

    LFS Should Be Boring

    The author argues that data versioning tools should focus narrowly on tracking large files across Git commits. While Git LFS and DVC solve this problem, they introduce additional complexity—LFS requires an external service, and DVC emphasizes broader features like pipelines. The author presents Gat, a deliberately simple alternative written in Rust that handles file versioning through a lock file and optimized caching, prioritizing speed and simplicity over feature breadth.

    By Author David Muhr
  17. 017Hacker NewsSEP · 15Chinese

    Coost v4.0.0 Released

    Coost v4.0.0 is a major release that raises the minimum C++ standard to C++17, removes high-maintenance modules (dynamic libraries, hooks, HTTP/SSL components, fastring, fastream, and coroutine channels), and adds support for Windows ARM64 and FreeBSD platforms. Core components have been optimized and consolidated into the co namespace with improved APIs and performance improvements across logging, closures, synchronization primitives, and other utilities.

    By Idealvin
  18. 018Hacker NewsSEP · 15English

    Jellyfin v12.0 Release

    Jellyfin 12.0 is a major release requiring database backups before upgrade, with direct upgrade paths from 10.10.7 and 10.11.x. The release includes significant server improvements, new features like multiple episode versions and search provider extensibility, and breaking changes including removal of legacy API routes and global subtitle configuration.

    By Jellyfin
  19. 019Hacker NewsSEP · 15English

    Terminal Guide: Discover CLI tools that make work faster and more enjoyable

    A comprehensive guide to modern CLI tools that enhance terminal productivity, covering terminal emulators, multiplexers, modern command replacements, file managers, and text editors designed for speed, efficiency, and improved user experience.

    By Dai Aoki
  20. 020Hacker NewsSEP · 15English

    Dropping eBPF CPU Cost by About 90% with Memoization (Not AI Gen)

    A security team reduced eBPF agent CPU costs by ~90% through inode-based memoization, caching policy lookups instead of repeatedly walking directory trees for file access checks. The optimization stores mount namespace, mount ID, and inode number as cache keys to avoid redundant path traversals, particularly benefiting applications like Postgres that repeatedly access files in the same directory subtree.

    By nathannaveen