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</style><![endif]--><!-- c88b925b-ad35-4013-ad2e-a50060159075 --><style></style></head><body class="a" style="margin:0px auto;padding:0px;word-wrap:normal;word-spacing:normal;background-color:#ffffff;"><div role="article" aria-roledescription="email" aria-label="email_name" lang="en" style="font-size:1rem"><div style="display:none;max-height:0px;overflow:hidden;"> Plus: RSC security fallout, Bun vs Node for SSR, why Server Actions fail, AI in real programming, broken web dependencies  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ </div><table role="none" width="100%" border="0" cellspacing="0" align="center" cellpadding="0" class="gg"><tr><td align="center" valign="top"><table role="none" width="670" border="0" cellspacing="0" cellpadding="0" class="aa" style="width:670px;table-layout:fixed;"><tr><td class="bodyWrapper" align="center" valign="top" style="padding:10px 5px 10px 5px;"><table role="none" width="100%" border="0" cellspacing="0" cellpadding="0" align="center"><tr><td align="center" valign="top" style="border-width:0px 0px 0px 0px;border-style: solid; border-color: #FFFFFF;border-radius:10px 10px 0px 0px;background-color:#ffffff;" class="c"><table role="none" width="100%" border="0" cellspacing="0" cellpadding="0" align="center"><tr id="header"><td style="padding:15px 15px 0px 15px;"><div style="padding-top:0px;padding-right:0px;padding-bottom:20px;padding-left:0px;"><table role="none" width="100%" border="0" cellspacing="0" cellpadding="0" align="center"><tr><td class="f" align="right" valign="top"><p> January 15, 2026 | <a href="https://link.mail.beehiiv.com/v1/c/cqIaIH%2B1a%2FVyjNSCg%2FzcUI%2BGcOOdhIvjuXzGzflg57N3TXQr93ivOguzQHIP%0ALEzLWxO9IqLIinQNrxh12pPvIkj4iV5jJjdQzO3A2uT0Ocij0wvk14dP9IHF%0ASumOGQKxepROkMtWgR%2Bp0k1gBdaLZuIacSJa5GmREpijBWOX%2BViDTqsCFff4%0AWFXYt0MSew94%0A/c884ccdb0e755565"><span class="translation_missing" title="translation missing: en.templates.posts.email.header.read_online">Read Online</span></a></p></td></tr><tr><td style="line-height:0;"><div data-open-tracking="true"><img src="https://link.mail.beehiiv.com/v1/o/47RAf8zcrz0TRJx5BAK4UacvioBDDM%2B1Uwl8RlcKJylyQbAvZmbQ30D61gLu%0A1EWCa7I5ObZbXoIlSIPE64dMad46ab2yeg8GhOgy8jldPVk9Nmopqm2GF2TI%0AzK9dspPmZAaKzj%2Bf2L7Qq9PPE1QDBLdOznsyvh2KmI%2Bmv%2FdwikFlsMjujyko%0AvecsLCIrpOp1nUHOR6ieV8nbkYoRsAaXcHrDkLKEGhbwNfE6Hvvw7jMHwm%2Fk%0ANZD8GY3Gr8E18Po1QvukuFW3pW43BYBPauqDaPh5P4CUhy%2FiD9gVb0TbwhQN%0A%2FW7OULngRaNXI7ZoIB1lXHXx09eRCEAzDS%2BJbCLE%2F33YhZTAct2rWxdQACxx%0A4g0%3D%0A/6355a46af1ce5f30.gif" alt="" width="1" height="1" style="display:block;border:0;outline:0;"></div></td></tr></table></div></td></tr><tr id="content-blocks"><td class="email-card-body" align="center" valign="top" style="padding-bottom:15px;"><table role="none" width="100%" border="0" cellspacing="0" cellpadding="0" align="center"><tr><td><table role="none" width="100%" border="0" cellspacing="0" cellpadding="0" style=""><tr><td bgcolor="transparent" style="background-color:transparent;padding:0.0px 0.0px 0.0px 0.0px;"><table role="none" width="100%" border="0" cellspacing="0" cellpadding="0"><tr><td class="dd" align="center" style="padding:0px 15px;text-align:center;word-break:break-word;"><p style="mso-line-height-alt:150.0%;"><span style="color:#161616;"><b><a class="link" href="https://link.mail.beehiiv.com/v1/c/wFwcppuVoeKwgnX7JDN7wXnDOrW5HWeqDo8oAO9tKqsyJIlWhp9Ra6dAcDZE%0A0fnMfuffYhJ%2BMB3dqSUs%2Bn1XVE%2BixYXtKIG2Rtak77d5bpo1iegYFqRvVdml%0AgEWimflV%2FXKIVMn97luTDRxgROtnZ7JVLAjIc73bsEZ2CCMITsG8dvxbCvCH%0AiuivVsgoQky4%0A/d93e65730d8e9b4e" target="_blank" rel="noopener noreferrer nofollow"><span>Your Complete React Learning Platform</span></a></b></span><span style="color:#161616;"> </span><span style="color:#161616;"><b>| </b></span><span style="color:#161616;"><b><a class="link" href="https://link.mail.beehiiv.com/v1/c/6PNilntIZiM25Qd9Dgnuz6YKd0JD8pxw1JstHFBhTyhQCKW57Qqr0WJm9MnA%0AjE9EGLu8WUtm3vxYWvmjVbpJmwWk2u0wpSFw099k3U00Q4U6IdArYUWkhhrP%0AZ6ZGih6GmyVmlFYUmMl7%2B5%2F5LDKLsMe5DiFymrxu8dK6F3%2BVWRygy63fYYBt%0A5Prdrqow%2BhHz%0A/fd9bdd88256b5b1e" target="_blank" rel="noopener noreferrer nofollow"><span>My channel</span></a></b></span><span style="color:#161616;"> </span><span style="color:#161616;"><b>| </b></span><span style="color:#161616;"><b><a class="link" href="https://link.mail.beehiiv.com/v1/c/PbemUcNnqZruCyXl%2FquvDwiLVLU%2BdJaNc6IMYyZMhZNgHXCa81QpTDWkbsGb%0ARYDamNZkUoBHsFInlKdr0H%2F7Tx6UpM%2Bd%2FEklkZU99WS89txN633yw39zvY%2Ba%0A23urL75g5Gcs3DEAOoyM2Ylh282SPr0DBzWiGsAMYYgiauXSNLD0gcZHRcmw%0Am%2BAh6xtpEeQq%0A/287b831a5c686458" target="_blank" rel="noopener noreferrer nofollow"><span>Sponsor This Newsletter</span></a></b></span></p></td></tr><tr><td align="center" valign="top" style="padding-bottom:20px;padding-left:15px;padding-right:15px;padding-top:20px; " class="dd"><table role="none" border="0" cellspacing="0" cellpadding="0" style="margin:0 auto 0 auto;"><tr><td align="center" valign="top" style="width:126px;"><img src="https://media.beehiiv.com/cdn-cgi/image/fit=scale-down,format=auto,onerror=redirect,quality=80/uploads/asset/file/49f41ede-f34d-44d3-be63-576c8db69686/500w-logo.png?t=1738244373" alt="Cosden Solutions Logo" height="auto" width="126" style="display:block;width:100%;border-radius:0px 0px 0px 0px;border-style:solid;border-width:0px 0px 0px 0px;box-sizing:border-box;border-color:#E5E7EB;" border="0"/></td></tr></table></td></tr><tr><td class="dd" align="left" style="padding:0px 15px;text-align:left;word-break:break-word;"><p style="mso-line-height-alt:150.0%;"><span style="color:#161616;">Hey guys,</span></p></td></tr><tr><td class="dd" align="left" style="padding:0px 15px;text-align:left;word-break:break-word;"><p style="mso-line-height-alt:150.0%;"><span style="color:#161616;">Welcome to another edition of Import React by Cosden Solutions!</span></p></td></tr><tr><td class="dd" align="left" style="padding:0px 15px;text-align:left;word-break:break-word;"><p style="mso-line-height-alt:150.0%;"><span style="color:#161616;">It’s already week two of 2026! This edition dives into 10+ years of React performance from Vercel, the very real RSC security fallout, and a hard look at where Server Actions fall short.</span></p></td></tr><tr><td class="dd" align="left" style="padding:0px 15px;text-align:left;word-break:break-word;"><p style="mso-line-height-alt:150.0%;"><span style="color:#161616;">Enjoy!</span></p></td></tr></table></td></tr></table></td></tr><tr><td align="center" valign="top" style="font-size:0px;line-height:0px;padding:30px 0px 30px;" class="dd"><table class="j" role="none" width="80%" border="0" cellspacing="0" cellpadding="0" align="center"><tr><td> </td></tr></table></td></tr><tr><td id="the-latest-in-react" class="dd" align="left" valign="top" style="color:#2A2A2A;font-weight:normal;padding:0px 15px;text-align:left;"><h2 style="color:#2A2A2A;font-weight:normal;mso-line-height-alt:150.0%;">⚡️ <span style="font-family:"Trebuchet MS", "Lucida Grande", Tahoma, sans-serif;">The Latest In React</span> </h2></td></tr><tr><td class="dd" align="left" style="padding:0px 15px;text-align:left;word-break:break-word;"><p style="mso-line-height-alt:150.0%;"> 👏 <span style="text-decoration:underline;"><b><a class="link" href="https://link.mail.beehiiv.com/v1/c/xHey%2FERLXUMEJN1lfg8Gyp8h%2FxT9i8NG1ldNl%2B%2FuznQR47binG9wA08CEywt%0A%2FFTJWeF17Zkjnx%2F2aGjCRNX%2FEsiDyJu6xAWxcNZwql46MWYdi5u8LbXbjTRM%0AtaJ8p%2BEdkDc2J9XBoYw5VWpTnygXokq%2BZHzmw39Ptv8MYXKL%2FYf2JEOHhIRP%0AZ2gr3sTibjC1%0A/20f3468d58e80454" target="_blank" rel="noopener noreferrer nofollow"><span>Vercel Shares 10+ Years of React Performance Best Practices</span></a></b></span><br>This post introduces <b>React Best Practices</b>, a practical framework from Vercel that captures <b>10+ years of real-world React and Next.js performance lessons</b>. Instead of chasing micro optimizations, it focuses on high-impact issues like <b>async waterfalls, bundle size, and unnecessary re-renders</b>, ordered by what actually moves metrics first. Each rule includes examples, impact ratings, and guidance that works for both humans and <b>AI coding agents</b>. Great if you want a clearer mental model for React performance and a checklist you can actually apply. </p></td></tr><tr><td class="dd" align="left" style="padding:0px 15px;text-align:left;word-break:break-word;"><p style="mso-line-height-alt:150.0%;"> 🔭 <span style="text-decoration:underline;"><b><a class="link" href="https://link.mail.beehiiv.com/v1/c/leHBGc5aeRXKhUP5a1kEvf2ZEY%2FCPs7cDsnYxYr%2BS%2BY2M%2FpNroC6Osd5i9dL%0AIWH7BR5yVvg9ZjhXSZYPWpCT%2BmJtiDJRpgCJ7cACZxASiRcRSZAjGpbt%2B8dw%0A5OidgzCtIquTcx6YML5z0kMoNACJtMN%2Fj023aACZ8dxFHomALhMDOqOD4CxL%0Ai9KSdDd7oTvf%0A/fa2a1ff5530c5146" target="_blank" rel="noopener noreferrer nofollow"><span>How to Steal Any React Component (Using Fiber + LLMs)</span></a></b></span><br>This article shows a clever (and slightly unsettling) way to <b>reconstruct React components directly from a live website</b>, without source code. By digging into <b>React Fiber data in the browser</b> and using an LLM to rebuild components from props and HTML output, the author walks through a repeatable reverse-engineering workflow. It’s less about stealing code and more about <b>understanding how React actually works under the hood</b>. Great if you want a deeper mental model of React internals, or a reminder that frontend code is never truly private. </p></td></tr><tr><td class="dd" align="left" style="padding:0px 15px;text-align:left;word-break:break-word;"><p style="mso-line-height-alt:150.0%;"> 🚨 <span style="text-decoration:underline;"><b><a class="link" href="https://link.mail.beehiiv.com/v1/c/43QG1idqn8CbmKxtFYnQT3E7%2F8yc4%2BYDe5%2Fq3nioHhbB2nJhRE33Er%2FfOr%2BM%0Avowj%2BshWwUe0Vmw0bcELjrwPej1YocIURvS0dU62TM9meBKosmI2Mp6YIuhY%0Ap6hiXamFaD0BaoPu3CEj8S9Et3LQ9i4%2BzENd%2FTXRHn0%2Fyv12T460OtujVcOx%0AoH2SfOlar%2BBS%0A/26a31d84de8b1abd" target="_blank" rel="noopener noreferrer nofollow"><span>The React RSC Security Crisis Explained</span></a></b></span><br>This is a <b>good breakdown of the recent React Server Components security failures</b> and why they caught so many teams off guard. It explains how <b>React2Shell and follow up CVEs broke the client/server boundary</b>, leading to real-world RCE, DoS, and source code leaks, often without any “bad” user code. The article is valuable because it goes beyond panic headlines and shows <b>what actually went wrong, why infra defenses failed, and what teams should do now</b>. Essential reading if you ship <b>Next.js App Router or React 19 in production</b>. </p></td></tr><tr><td class="dd" align="left" style="padding:0px 15px;text-align:left;word-break:break-word;"><p style="mso-line-height-alt:150.0%;"> 🚦 <span style="text-decoration:underline;"><b><a class="link" href="https://link.mail.beehiiv.com/v1/c/WPY9xWc2K8N1P9PoE8tnpXoV2mTU0x%2F6FN7al5HyEb%2BCykncj6qZfH5swJqa%0AJw%2F72XDFbQZWr%2BG6aVYctEO2VIS97%2FJbMXBv4yBvAT0k40brwqoqUs7iBGFU%0AsvwbBK4fwVwtZgw%2Bk1mbYU5P2jciWBq1Vt%2F8RWduP%2ByLL3TZBgO3xCgNHc8c%0Az%2B8WXfh61Ri0%0A/00df68838eee1609" target="_blank" rel="noopener noreferrer nofollow"><span>Don’t Fetch with Server Actions (Here’s the Proof)</span></a></b></span><br>This article answers a question many React devs have asked lately, <b>can Server Actions replace fetch for client-side data loading?</b> Through real benchmarks, it shows that while it works technically, <b>Server Actions serialize requests</b>, killing parallelism and massively slowing real apps. The piece is useful because it cuts through hype with <b>clear measurements, practical examples, and a firm conclusion</b>. If you’re using Next.js and tempted to overuse Server Actions, this will save you pain. </p></td></tr><tr><td class="dd" align="left" style="padding:0px 15px;text-align:left;word-break:break-word;"><p style="mso-line-height-alt:150.0%;"> 🎁 <span style="text-decoration:underline;"><b><a class="link" href="https://link.mail.beehiiv.com/v1/c/nR6nUHxshpVOaEw9OdbzrndmEOxYgyWeOMaKv6%2FbcgYZWrK3zjXnS0ILgRRg%0AszdzZRM9FIECuBsSEXBwwSV4wobGbCCBwyhNDETmCNsCQX1IxMEr%2BQPSvdbu%0Abi9ayagxAQ2gPrMkCGdc1RNAbus%2FDqQlEus1sAGkmS%2BXNJpRNJZem%2FYNO0tw%0A7XkOL5jX%2FUQj%0A/7c436928d77a6ce7" target="_blank" rel="noopener noreferrer nofollow"><span>Cosden Code now has a free tier</span></a></b></span><br><b>I opened up a new free tier of Cosden Code</b>, The first two lessons of every module are now <a class="link" href="https://link.mail.beehiiv.com/v1/c/sF23ROlwDXB%2FoQtl8jjZJS%2B0xL60xBHQsbdYKOOWTyNdnx4PQb6wsi%2BVedgr%0AHzEwZm4BW%2FtoQG9rcPOeqh64ZdIzI2xaNaNz9kskticTNCwng%2F2xuFOsbtG4%0AETd%2B5DAK4%2BALJ7VwmQRG8ESbabu3FcUHi0tXBXGkc63xvIO%2FTyVaPCUW%2BgQX%0AGiLTpytB6scR%0A/aade29ca4b72bea6" target="_blank" rel="noopener noreferrer nofollow"><span>free</span></a> so people can get a real feel for the platform, the teaching style, the built-in IDE, and the AI mentor, before going further. It's meant to be hands-on from day one, try it yourself before committing (no credit card required), especially with TypeScript, projects, and a ton of new courses dropping early this year. </p></td></tr><tr><td align="center" valign="top" style="font-size:0px;line-height:0px;padding:30px 0px 30px;" class="dd"><table class="j" role="none" width="80%" border="0" cellspacing="0" cellpadding="0" align="center"><tr><td> </td></tr></table></td></tr><tr><td class="dd" align="left" style="padding:0px 15px;text-align:left;word-break:break-word;"><p style="mso-line-height-alt:150.0%;"><b>Quick Links</b></p></td></tr><tr><td style="padding-bottom:12px;padding-left:37px;padding-right:27px;padding-top:12px;" class="ee"><div style="margin-left:0px;" class="edm_outlooklist"><ul style="font-weight:normal;list-style-type:disc;margin-bottom:12px !important;margin-top:12px !important;padding:0px 0px 0px 0px;"><li class="listItem ultext"><p style="mso-line-height-alt:150.0%;padding:0px;text-align:left;word-break:break-word;"><a class="link" href="https://link.mail.beehiiv.com/v1/c/KSGB0NxPHAIu5J8R%2BKNI%2FHPfPFpVNeR5pzAMT1qv68uxnEvrWf8Yn7UureDV%0ADYO%2BeLbPYmXHHjjfi5APd56hdyhbrQEM3yUwu2UFj%2FXUj60UnUC0r16aLWh%2F%0A23Md3spUih%2BfDD4C6RQznb8nBMCi2FHoBQWD4EkFH2G7pyI2NoJDLhMQAWpp%0AvmXjXSx8%2FnBJ%0A/d16e7b4db52da0be" target="_blank" rel="noopener noreferrer nofollow"><span>Everything you actually need to know</span></a> about act() in React tests, when to use it, when not to, and how to avoid warnings. </p></li><li class="listItem ultext"><p style="mso-line-height-alt:150.0%;padding:0px;text-align:left;word-break:break-word;"><a class="link" href="https://link.mail.beehiiv.com/v1/c/tmhqfc%2BKivFzMSZZpdh44WHyQ8TEGUOcMQansMYXYKl0cDKQD4dOQQT02YVl%0ANEK9RSshujzwWctYk5rmqCZp6bKEPlWmBazdK6VnpSM67vhERKk%2BjAoORNec%0AJ%2BLp0OPAYqbjwkcjgkhDp3091rz4jJpbDjvICMdVONQRJpNpqCx%2F%2Blbe%2Bq8W%0AQ7jhgz%2BNz05G%0A/419127407ca3c187" target="_blank" rel="noopener noreferrer nofollow"><span>React diagram components</span></a> plus a <a class="link" href="https://link.mail.beehiiv.com/v1/c/xm4rsBgNJ%2FZkx64CN6nwSe7Lj8he6%2BrnFOCQ1njUvtTZZBLFUoPjs7HMYu2Z%0AdBwO254V%2F9whltIAirFk%2FQiRMdjxjQ2NLvjSJY6OASZIQxSYAZvdJDIM9FG0%0A2Kng20RRonakYyw%2BFKQ3pPdgelrEA%2Bkrzx%2FhdCAbvzPhV6kmuopNuqjtfx5P%0AOaRdCVcJebPb%0A/369c4563a7e5b08b" target="_blank" rel="noopener noreferrer nofollow"><span>UI library</span></a>, built for visualizing flows and complex systems. </p></li><li class="listItem ultext"><p style="mso-line-height-alt:150.0%;padding:0px;text-align:left;word-break:break-word;"> If your TanStack Form validation runs but errors don’t show, <a class="link" href="https://link.mail.beehiiv.com/v1/c/NQLT8xNzOidX4mOJyvHNMZsRvTS77ItCc7Jzc4nYluZ%2BCI476iB3Fwjx6%2B6B%0A2v9EHqThG%2Bfo%2FKXPoxu8hFX4IFY6DETS3TUALwagz2NbA63VoKixI7Jv3R2p%0ADQDGpiT8Irejze7K9qTcJTghfD%2FXuWZRxLPQUPGNoHp6W0EF8BS9%2B9Tg7oxA%0AQ%2B2ywxZ3anzc%0A/82fac0d19cb60b86" target="_blank" rel="noopener noreferrer nofollow"><span>this is probably why.</span></a></p></li><li class="listItem ultext"><p style="mso-line-height-alt:150.0%;padding:0px;text-align:left;word-break:break-word;"> A polished set of <a class="link" href="https://link.mail.beehiiv.com/v1/c/8VUGp2aW97dPBlHs0IkAqtsnU8gqSWPFm59izujtzMHvU%2FaIYWGmTB1UA8yo%0AbJGfjW%2F3chxE55y%2FtnpvuPfNMvXSl%2F%2BpL%2BSAhERQTi2di5mKM7sakRgv6lHQ%0AWp%2FafbjqJpmQ%2FhS99zlwLQQ%2FDqMl3fDlPxY60%2Frxg84BJBwgkUb17h6zU%2BuR%0AdL1vN5Rna19u%0A/e62791269d712149" target="_blank" rel="noopener noreferrer nofollow"><span>animated Heroicons</span></a> using Motion, ready to drop into React apps. </p></li><li class="listItem ultext"><p style="mso-line-height-alt:150.0%;padding:0px;text-align:left;word-break:break-word;"> A deep technical breakdown of React2Shell, <a class="link" href="https://link.mail.beehiiv.com/v1/c/mU9HXY6R1ONoXvJyl3G5stybRBDr3rxZ1YZcnZQEri8Gz2dCzo1DBZQ9kowA%0AB5MBBtpG7drc1BhSDuu9m%2FMPGrVsOIHl%2Fax8kXoqV1Ql0nY%2Fr1afVmleY%2Fc0%0ArnlsyZfXqnjTE7yPrBx67Cs69Dtxbz47QP42IR7bm4u18KjN8EmWdJ8dAO2u%0AA5EmlJ8hGx79%0A/9fc42d18a0869767" target="_blank" rel="noopener noreferrer nofollow"><span>how prototype pollution in RSC led to real-world RCE.</span></a></p></li><li class="listItem ultext"><p style="mso-line-height-alt:150.0%;padding:0px;text-align:left;word-break:break-word;"><a class="link" href="https://link.mail.beehiiv.com/v1/c/Ow9xXzQIiCVLPuc5nMiGhuMAZHAIrGIm4zp7%2F%2FUctgkzSeFOUPOVNyFSfH%2Fp%0AtyAh5wb8nSxfgylCaGehPxI7e56k2MNux65GmafoUFIop3RCApk%2BspYIaRXc%0Ajnfl6X%2F5fTRWm4qmSrU24R7KJFbijcF9r0DYZMldB77PumMldJK8irzWHLyM%0ApTmV47X9swbC%0A/822ee89c3c54cc7a" target="_blank" rel="noopener noreferrer nofollow"><span>Astro 6 Beta</span></a> brings a new dev server, better prod parity, and built-in CSP support. </p></li><li class="listItem ultext"><p style="mso-line-height-alt:150.0%;padding:0px;text-align:left;word-break:break-word;"> A study of 470 PRs found <a class="link" href="https://link.mail.beehiiv.com/v1/c/irQoJtS07yVbithrzzqRKMTFI7yLWR555jLK0J0MZb7%2Frf4mJ50t%2Byi9Oh0V%0ANYgvMpm9ear%2Bu9J5z8y8lr%2Bnf%2BrHadzoITydSrrXWCb%2Bo9lpOfigfkryFofq%0AsjGijw3VmYHWfkoj7Vh7fpJhSI0Oov303dpTb1oM8Qbe2aM9%2Fr7lHNHjZufk%0A2SoHnc8ljMqk%0A/87312d6d03d96646" target="_blank" rel="noopener noreferrer nofollow"><span>AI-assisted code had ~1.7× more issues.</span></a></p></li><li class="listItem ultext"><p style="mso-line-height-alt:150.0%;padding:0px;text-align:left;word-break:break-word;"><a class="link" href="https://link.mail.beehiiv.com/v1/c/pavBI81evsQC0%2BdslgMmbmX8xhWnU9WxBEyawJJzqmTvOpXpGwL3VV1HJ1Iy%0ABExyCCuyvOJz2EHBjf%2BqrZ%2F1MRvtDxLxOCLKXoc8u%2BZ%2BeUNxWfnTMsPufUwS%0AsidcuPJHWg5mhD4LGamBJ8koKMkF4%2B7Cw06uyXVATvrn9hAA%2B7yNcqDjeEkW%0ARzQuoVOHZvsz%0A/50c989f100155656" target="_blank" rel="noopener noreferrer nofollow"><span>A practical guide to profiling React performance</span></a> (React DevTools + Chrome Performance Tracks) and fixing the usual culprits such as re-renders, bundle bloat, and INP. </p></li></ul></div></td></tr><tr><td align="center" valign="top" style="font-size:0px;line-height:0px;padding:30px 0px 30px;" class="dd"><table class="j" role="none" width="80%" border="0" cellspacing="0" cellpadding="0" align="center"><tr><td> </td></tr></table></td></tr><tr><td id="ai-general-programming" class="dd" align="left" valign="top" style="color:#2A2A2A;font-weight:normal;padding:0px 15px;text-align:left;"><h2 style="color:#2A2A2A;font-weight:normal;mso-line-height-alt:150.0%;">🧠 <span style="font-family:"Trebuchet MS", "Lucida Grande", Tahoma, sans-serif;">AI & General Programming</span></h2></td></tr><tr><td class="dd" align="left" style="padding:0px 15px;text-align:left;word-break:break-word;"><p style="mso-line-height-alt:150.0%;"> 📰 <span style="text-decoration:underline;"><b><a class="link" href="https://link.mail.beehiiv.com/v1/c/G2fcLr6FBeTpzzXoyYWDWBzyaC0Mng%2BSvcAIIuEwYDbEfrziSFjIUvNblwOr%0A%2BFPnHLvz6ude8Tpyg%2FaF0%2FUlRw18BW54K4YdJGp%2FdtY8oQdrJXGy8gU10ncR%0AhylN3VQ3EYNqde0PxFabbcpIgDE43LG530kclZ6CdXUmfrpr3VL1REirvdWB%0ANzJAgR4Qg0r2%0A/9425874057a69ba0" target="_blank" rel="noopener noreferrer nofollow"><span>A new place to read your newsletters</span></a></b></span><br>We’re trying out a <b>free app for reading newsletters called Khaki</b>. The interface is clean, distraction-free, and only shows the newsletters I’m subscribed to, no noise of everything else in my usual inbox. We’re loving it and think you would too. Get beta access with your Gmail and code NEWSLETTER. (sponsored) </p></td></tr><tr><td class="dd" align="left" style="padding:0px 15px;text-align:left;word-break:break-word;"><p style="mso-line-height-alt:150.0%;"> ❌ <span style="text-decoration:underline;"><b><a class="link" href="https://link.mail.beehiiv.com/v1/c/JqUznuTMrBJw65rXV3TuQCiIeqPoA36BfvJWl9M5g%2B%2FcvUQuWBC5EpuqpxCX%0ApuBzIZ05bdl7unWp6bpKWM2Jk%2FbT28ShcFk3Zg51SmHUkbrcjdLVDbSybF%2Fz%0ANirTzIQeWDCTUx7xMQGma4xCtvM7ZMvMw4DDukPAxsJKC4PdHWgYvnFqCs1L%0AuH5Vgtg06Rpu%0A/a990aa14cd5aa2aa" target="_blank" rel="noopener noreferrer nofollow"><span>Don’t Fall Into the Anti-AI Hype</span></a></b></span><br>This is a <b>clear, first-hand account from a systems programmer</b> on how AI has already changed daily programming. antirez explains, with concrete examples, how LLMs now handle <b>real production work</b>, from debugging Redis to writing C libraries, faster than humans alone. The value here isn’t hype or fear, but a <b>pragmatic mindset shift</b>, coding is becoming more about problem framing and judgment than typing. A great read in my opinion if you’re unsure whether to lean into AI or resist it. </p></td></tr><tr><td class="dd" align="left" style="padding:0px 15px;text-align:left;word-break:break-word;"><p style="mso-line-height-alt:150.0%;"> 🐇 <span style="text-decoration:underline;"><b><a class="link" href="https://link.mail.beehiiv.com/v1/c/nl4TNJV%2BHcED3vyy93nOY2TJ91WHKABJOU7QOaI0e6Q8Pe4JqL4H%2FzZ3SeIn%0AVX3PWwOwaIRFVrJyYnyypgvYKIaLRPKCfZgW1n5XaGmKZWlFhufBvgDUw5iO%0AcMOyhPATD6NisPsCZc0fGypQ4v0IlldKzQV3c7OsllPb4YHfOm1EAFniC%2B1R%0AahyYt4R%2BPEt9%0A/e635bf1a8a150a7d" target="_blank" rel="noopener noreferrer nofollow"><span>Bun vs Node for React SSR</span></a></b></span><br>This post is a great real world case study of <b>swapping Node for Bun to speed up React SSR in production</b>, without rewriting the app. Tim walks through the benchmarks, the Kubernetes tuning, and what changed when Bun’s <b>faster startup and lower overhead</b> hit real traffic. The big takeaway is practical, better throughput, <b>lower latency</b>, faster scaling, and even cost wins, all from changing the runtime. Worth a click if you care about SSR performance or you’re curious whether Bun is ready for serious workloads. </p></td></tr><tr><td class="dd" align="left" style="padding:0px 15px;text-align:left;word-break:break-word;"><p style="mso-line-height-alt:150.0%;"> 💔 <span style="text-decoration:underline;"><b><a class="link" href="https://link.mail.beehiiv.com/v1/c/puNCOag3yDMBGHYJ32IhZlEBS3AE7TVO3hAlKb1xvS4nYf09u6foHsbEhlV4%0AI5w3HbAqYXO66dZ9SGjcqcWXpb8863Ls39KF5txVNkmzPh1AYNFQL4%2BYZgqJ%0AL6pZIisLk1vyc8zZo4wmDkzqVohUja%2B7XDFAH8CU1oD%2FUtJ6dP63j3f9sgEz%0AfXWIuOPNuNK%2F%0A/9a9ccf314278b2f5" target="_blank" rel="noopener noreferrer nofollow"><span>Web Dependencies Are Broken, Can We Fix Them?</span></a></b></span><br>Lea Verou makes a strong case that <b>web dependency management is fundamentally broken</b>, and bundlers have become the “price of admission” for basic code reuse. She walks through today’s bad options, shipping node_modules, relying on CDNs, “browser” bundles, import maps, and explains why they all fall apart once <b>dependencies have dependencies</b>. The useful bit is the bigger picture, why this hurts DX, security, and even web standards, plus what could change (like <b>better import maps</b> and platform-level solutions). </p></td></tr><tr><td class="dd" align="left" style="padding:0px 15px;text-align:left;word-break:break-word;"><p style="mso-line-height-alt:150.0%;"> 📆 <span style="text-decoration:underline;"><b><a class="link" href="https://link.mail.beehiiv.com/v1/c/Ghmr4YfetuxBDD3OJM7e%2B8iea%2BCeDjYk%2Be4%2BtXLHEJ2QoY0Je1OMhduUfOx%2F%0AklUiv0hveUbaouTfjziezfENKG%2BQoWKsZMJkdAnHhyIHU7iy9CZf2E%2Bf1yk3%0Az3tBMP%2FA2TCg%2BAgfQmRLcynioEeD79cQePObci%2F1XNXOVHCstNmMqFTD8kuF%0ABsY%2Bupj%2BCULa%0A/130f27de1240c418" target="_blank" rel="noopener noreferrer nofollow"><span>Why JavaScript Date Calculations Are Still Hard (And How to Do Them Safely)</span></a></b></span><br>This is a short, memorable story about how <b>JavaScript Date can go very wrong in real life</b>, even with code that looks perfectly reasonable. Phil breaks down how <b>time zones, overflow, and mutability</b> combine to produce a wildly incorrect result, and why it’s so hard to spot. </p></td></tr><tr><td class="dd" align="left" style="padding:0px 15px;text-align:left;word-break:break-word;"><p style="mso-line-height-alt:150.0%;"> 🔎 <span style="text-decoration:underline;"><b><a class="link" href="https://link.mail.beehiiv.com/v1/c/7Nmy6sYZ5z7F%2BbBXkqyi5tfw%2Fm2i25A%2BeLDxLqlwZ%2B9%2BOaFKMNNvs6XCCNC5%0AVEJxLZ01Nw1KJs4Tz6cMsDAnXC54kr7u7gYhh0ArB8TL3ATVxex6IHiWZqdy%0AH75Yxxf2Q6ts%2F6%2FNCteWy7V%2FzemiK1RqRnI4a0P5t87NqP7C7dCPFx8Ii3eu%0AQdCFf7Gmt7uN%0A/796afcdbc91fd390" target="_blank" rel="noopener noreferrer nofollow"><span>Why Software Engineers Need a Healthy Dose of Cynicism</span></a></b></span><br>This piece argues that <b>a small amount of cynicism is actually healthy for software engineers</b>, especially in big tech. Sean explains why understanding org politics, incentives, and tradeoffs doesn’t make you a sell-out, it helps you <b>get real work shipped</b>. It challenges the idea that “good engineering” exists outside compromise, and reframes influence as a skill, not a moral failure. Useful if you’ve ever felt frustrated, disillusioned, or unsure how to do meaningful work inside a large company. </p></td></tr><tr><td align="center" valign="top" style="font-size:0px;line-height:0px;padding:30px 0px 30px;" class="dd"><table class="j" role="none" width="80%" border="0" cellspacing="0" cellpadding="0" align="center"><tr><td> </td></tr></table></td></tr><tr><td id="how-to-learn-react-in-2026-without-" class="dd" align="left" valign="top" style="color:#2A2A2A;font-weight:normal;padding:0px 15px;text-align:left;"><h1 style="color:#2A2A2A;font-weight:normal;mso-line-height-alt:175.0%;"><b>How to Learn React in 2026 (Without Getting Left Behind)</b></h1></td></tr><tr><td class="dd" align="left" style="padding:0px 15px;text-align:left;word-break:break-word;"><p style="mso-line-height-alt:150.0%;"> The truth is that in 2026, learning React is no longer enough. What used to work in the past no longer does, and if you want success in this career as a React developer, you have to adapt. </p></td></tr><tr><td class="dd" align="left" style="padding:0px 15px;text-align:left;word-break:break-word;"><p style="mso-line-height-alt:150.0%;"> To really be able to learn React successfully in 2026, you have to both learn the React fundamentals and also learn how to use AI to write your code. Both of these are important. You need to know your React fundamentals like components, props, hooks, and so on, to be able to use and direct AI effectively to write your code for you. </p></td></tr><tr><td class="dd" align="center" valign="top" style="padding:20px;"><a href="https://link.mail.beehiiv.com/v1/c/iJk4Q9qp%2BoeDW8mgfuISPj48JKKb%2F4MFHmjAvbvXh9EeW10SZty5h%2FtoXTh%2F%0AYhHUu5mpmk%2BLzyM1sinkJmBSoQytQtrcIUWfZAgix3J%2F%2BKQjAtnMo%2FHq8i2e%0A227hOkJo6NyVk3MuXFTXBm6ZOLIR9D%2BZi455zBXxYi0sj2lXn32tBSHYiQGg%0ALwhMu5Oe9KOM%0A/c0b26ba6908b3b9e" style="text-decoration:none;"><table align="center" width="100%" cellpadding="0" cellspacing="0" border="0" role="none" style="max-width:520px;margin:0 auto;"><tr><td class="p" width="100%" style="padding:2px;border:none;"><table width="100%" cellpadding="0" cellspacing="0" border="0" role="none"><tr><td align="center" valign="top" style="width:100%;"><div style="max-height:0;position:relative;opacity:0.999;width:100%;mso-hide:all;"><div style="display:inline-block;width:100%;padding-top:25%;"><img width="20%" height="auto" loading="lazy" alt="" style="border:0;" src="https://media.beehiiv.com/cdn-cgi/image/fit=scale-down,format=auto,onerror=redirect,quality=80/static_assets/youtube_play_icon.png"/></div></div><a href="https://link.mail.beehiiv.com/v1/c/ChL1mYMS15YXUKRwii%2Bjd%2FB3%2BnH0PPh3XrHETZjdVHHaKi9%2Box6xezGT9jH7%0ACtvNGrExwvYRNdL5jn9JP9ofwyiycvZl2uS9PSB6nWn5vKOzzYNq4Yi9SgPY%0AEIR0TqoGBccfsnn37k9JX73N%2BhnzwT9wEyHDtVNgK07bpvAkeu9Xa8UtawT%2F%0AVAYOelox1SDV%0A/e912856417847898" style="text-decoration:none;"><img src="https://i.ytimg.com/vi/118ksTGQUs0/maxresdefault.jpg" width="480" height="auto" loading="lazy" alt="YouTube video by Cosden Solutions" style="display:block;height:auto;border:0;outline:none;text-decoration:none;background-color:#000000;width:100%;"/></a></td></tr><tr><td><p style="font-size:12px;font-weight:500;font-style:italic;font-family:Helvetica, Calibri, sans-serif;color: #686a6d; padding-top:0 !important;padding-bottom:6px !important; padding-left:4px !important;"> How to Learn React in 2026 (Without Getting Left Behind) </p></td></tr></table></td></tr></table></a></td></tr><tr><td><table role="none" width="100%" border="0" cellspacing="0" cellpadding="0" style=""><tr><td bgcolor="transparent" style="background-color:transparent;padding:0.0px 0.0px 0.0px 0.0px;"><table role="none" width="100%" border="0" cellspacing="0" cellpadding="0"><tr><td class="dd" align="left" style="padding:0px 15px;text-align:left;word-break:break-word;"><p style="mso-line-height-alt:150.0%;"><span style="color:rgb(3, 7, 18);">See you next week,</span></p></td></tr><tr><td class="dd" align="left" style="padding:0px 15px;text-align:left;word-break:break-word;"><p style="mso-line-height-alt:150.0%;"><span style="">Darius Cosden</span></p></td></tr></table></td></tr></table></td></tr></table></td></tr></table></td></tr><tr><td align="center" valign="top"><table role="none" width="100%" border="0" cellspacing="0" cellpadding="0" align="center"><tr><td><tr><td class="b" align="center" valign="top" bgcolor="#030712" style="padding:0px 0px 0px 0px;border-style:solid;border-width: 0px 0px 0px 0px;border-color: #FFFFFF;border-bottom-left-radius:10px;border-bottom-right-radius:10px;"><table role="none" width="100%" border="0" cellspacing="0" cellpadding="0" align="center"><tr><td align="center" valign="top" bgcolor="#a6825a" style="padding:12px"><table role="none" width="100%" border="0" cellspacing="0" cellpadding="0" align="center"><tr><td><span style="padding-left:1px;"></span></td><td align="center" valign="middle" width="75" style="width:75px;"><a href="https://link.mail.beehiiv.com/v1/c/3QYtcwP6c8ARN0rQeC4IHi2YvAfc5LYjhWFVOkT%2Fq5ZvUZcBRZBb63PFFShp%0AGwegcDqv%2FpweuL9WMIvL3vT92BEbcQH7VvTXMhdPa4lk8iOvkjj2rGHhP0Af%0Adx7YIvdixPLBb5IcpWBcJD%2Bt12DSxkdHa4IjJeZQ5fjeuuwaeprwQZazHO5O%0A5YECu%2Flfh7jX%0A/eb4504ea74741c3f" style="text-decoration:none;"><img width="22" height="16" alt="yt" border="0" style="display:block;max-width:22px;color:Dark" src="https://media.beehiiv.com/cdn-cgi/image/fit=scale-down,format=auto,onerror=redirect,quality=80/static_assets/youtube_dark.png"/></a></td><td><span style="padding-left:1px;"></span></td></tr></table></td></tr><tr><td height="10" style="line-height:1px;font-size:1px;height:10px;"> </td></tr><tr><td class="w" align="center" valign="top" style="padding:15px 15px 15px 15px;"><table role="none" width="100%" border="0" cellspacing="0" cellpadding="0" align="center"><tr><td align="center" valign="top"><p style="font-family:'Verdana',Geneva,sans-serif;color:#FFFFFF!important;"> Update your email preferences or unsubscribe <a class="link" href="https://link.mail.beehiiv.com/v1/c/QGfNY40hU22HPSBIDosj9V%2BtnRmSnaTHYHFZd%2FvBA2BVoEuu6eacXFh%2BN9UA%0Ay%2FS%2BntowHk5rhCvD2MEkLzlo4Qg%2FbxnypEjfHSx3%2BlbdmDBXbaBiL12eO9Eb%0Ari6U88pCP5vDzPxDV2Abf8QKatKOzrC0ZUv08XwQQzIisKch2%2FOR005z99F0%0A8MvDD6gNC2DH%0A/575698664c4eea5b" style="text-decoration:underline;text-decoration-color:#FFFFFF!important;color:#FFFFFF!important;"> here</a></p><p class="copyright" style="font-family:'Verdana',Geneva,sans-serif;color:#FFFFFF!important;"> © 2026 Import React </p><p style="font-family:'Verdana',Geneva,sans-serif;color:#FFFFFF!important;"> 228 Park Ave S, #29976, New York, New York 10003, United States </p></td></tr><tr><td align="left" valign="top" height="2" style="height:2px;"><a href='https://hp.beehiiv.com/c88b925b-ad35-4013-ad2e-a50060159075' style="color: #030712 !important; 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