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<div style="display: none; max-height: 0px; overflow: hidden;">TanStack Start got a 5.5x increase in throughput and a 9.9x reduction in average latency under heavy load for their SSR (server-side rendering) </div>
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<h1><strong> TLDR Dev <span id="date">2026-03-24</span></strong></h1>
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AI doesn't necessarily mean developers are working less. Instead, many are paying the "velocity tax": spending 25% of their week fixing and securing AI-generated code. This hidden cost creates a verification bottleneck that stalls innovation.<p></p><p><a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fwww.sonarsource.com%2Fsem%2Fsolutions%2Fai-code-quality%2F%3Futm_medium=paid%26utm_source=tldr%26utm_campaign=ss-ai-code-quality26%26utm_content=newsletter-dev-tldr-primary-aicodequality-260324-x%26utm_term=ww-psp-utm_term%253Dww-psp-x%26s_category=Paid%26s_source=Paid%2BOther%26s_origin=tldr/3/0100019d1f87d4f8-8a9a363c-b4ef-441b-beb6-7f3d2c8d455f-000000/ipkoYgZ8uLginAicPFRVYQyoCJt_By4vuLA2Cc5LeWM=450" rel="noopener noreferrer nofollow" target="_blank"><span>Sonar</span></a> provides the automated, trusted analysis needed to bridge the gap between AI speed and production-grade quality. Stop paying the tax and <a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fwww.sonarsource.com%2Fsem%2Fsolutions%2Fai-code-quality%2F%3Futm_medium=paid%26utm_source=tldr%26utm_campaign=ss-ai-code-quality26%26utm_content=newsletter-dev-tldr-primary-aicodequality-260324-x%26utm_term=ww-psp-utm_term%253Dww-psp-x%26s_category=Paid%26s_source=Paid%2BOther%26s_origin=tldr/4/0100019d1f87d4f8-8a9a363c-b4ef-441b-beb6-7f3d2c8d455f-000000/-fQorTBY_7Ivhq5XOebMa0aQM5V3zPRMoMI-H2sY6eY=450" rel="noopener noreferrer nofollow" target="_blank"><span>start shipping code you can trust</span></a>.</p>
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The article uncovers a significant security vulnerability in how the `psql` command-line tool cancels PostgreSQL queries. When a user presses Ctrl-C, `psql` sends a `CancelRequest` over a new and separate connection that is always unencrypted, even if the main database connection is secured with TLS. This plaintext transmission creates a Denial-of-Service risk, as an attacker monitoring network traffic could intercept and replay these requests to cancel future queries on the same connection.
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<strong>Context switching is worse than ever. Can AI help developers find flow? (Sponsor)</strong>
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<span style="font-family: "Helvetica Neue", Helvetica, Arial, Verdana, sans-serif;">
Is deep work dead? Bugs, incidents, and project updates are still around - and now developers are also distracted by babysitting AI agents. In this <a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fwww.atlassian.com%2Fsoftware%2Floom%2Fresources%2Ffrom-context-switching-to-flow-state-ebook%3Futm_source=tldr%26utm_medium=email%26utm_campaign=P:loom*O:gdc*F:awareness*C:wpaper*H:fy26q3*I:tldr-dev-newsletter-secondary-mar-24*E:cloud*%26utm_sfdc-campaign_id=701QB00000hJ2IPYA0/2/0100019d1f87d4f8-8a9a363c-b4ef-441b-beb6-7f3d2c8d455f-000000/hwJ0OjdyDDfZ4NBYV3D0eJQ4qw6MP0bt8-eaUaYjZuk=450" rel="noopener noreferrer nofollow" target="_blank"><span>guide by Atlassian</span></a>, you'll see how to turn scattered context into project momentum with AI and video, focusing on two everyday workflows - bug triage and project updates. <a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fwww.atlassian.com%2Fsoftware%2Floom%2Fresources%2Ffrom-context-switching-to-flow-state-ebook%3Futm_source=tldr%26utm_medium=email%26utm_campaign=P:loom*O:gdc*F:awareness*C:wpaper*H:fy26q3*I:tldr-dev-newsletter-secondary-mar-24*E:cloud*%26utm_sfdc-campaign_id=701QB00000hJ2IPYA0/3/0100019d1f87d4f8-8a9a363c-b4ef-441b-beb6-7f3d2c8d455f-000000/BWPvmq-vK-5aqx024VBwihQPcTbL1oITimHxqtQoHHs=450" rel="noopener noreferrer nofollow" target="_blank"><span>Get the ebook</span></a>
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<strong>cq (5 minute read)</strong>
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<span style="font-family: "Helvetica Neue", Helvetica, Arial, Verdana, sans-serif;">
cq is an open-source "Stack Overflow for agents" designed to facilitate structured, reciprocal knowledge exchange among AI systems. cq allows agents to query a common knowledge base before tackling new tasks and contribute novel findings back, with information gaining trust through confirmed use by other agents.
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<strong>Bombadil (GitHub Repo)</strong>
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<span style="font-family: "Helvetica Neue", Helvetica, Arial, Verdana, sans-serif;">
Bombadil is an experimental, property-based testing tool specifically designed for web user interfaces. It autonomously explores UIs, validates their correctness properties, and aims to find difficult bugs earlier in the development process.
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<div style="text-align: center;"><strong><h1>Miscellaneous</h1></strong></div>
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<strong>These coders want AI to take their jobs (9 minute read)</strong>
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Vibe coding has gained traction among both experienced coders and novices. While it boosts productivity and allows for easy experimentation, developers are divided, with some embracing its "fun" and speed, while a minority strongly oppose it due to concerns about job displacement and de-skilling.
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AI has shifted the bottleneck from implementation to judgment, fracturing engineering into three tiers. The first is tech companies where senior engineers use AI as a force multiplier. The second is large enterprises leaning on platform guardrails and fractional consultants for judgment they can't hire, and the last is small businesses finally able to afford custom software.
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<strong>More indexes do not always improve performance. (Sponsor)</strong>
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<span style="font-family: "Helvetica Neue", Helvetica, Arial, Verdana, sans-serif;">
Tiger Data's latest blog explains how too many indexes slow writes, turning one insert into multiple operations. Combat rising write latency. <a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Ffandf.co%2F4t1OiWt/1/0100019d1f87d4f8-8a9a363c-b4ef-441b-beb6-7f3d2c8d455f-000000/isJhAig4VXjFC-Qpj9Oe3lgzF2UvjCi5K3Yr4NbACqk=450" rel="noopener noreferrer nofollow" target="_blank"><span>Learn more.</span></a>
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<a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fwww.itsthatlady.dev%2Fblog%2Fbuilding-an-ai-receptionist-for-my-brother%2F%3Futm_source=tldrdev/1/0100019d1f87d4f8-8a9a363c-b4ef-441b-beb6-7f3d2c8d455f-000000/ScGPRZC-bdlq4gouW59nFuIqWu86rMVgGVb7OW-2VAg=450">
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<strong>How I Built an AI Receptionist for a Luxury Mechanic Shop (9 minute read)</strong>
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To prevent thousands of dollars in lost revenue from missed calls, the author built "Axle," a custom AI voice receptionist for her brother's luxury mechanic shop.
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<strong>Telling an AI model that it's an expert makes it worse (7 minute read)</strong>
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<span style="font-family: "Helvetica Neue", Helvetica, Arial, Verdana, sans-serif;">
Researchers found that telling an AI model it's an expert improves performance for alignment and safety tasks but worsens factual accuracy and coding.
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<strong>Claude Code Cheat Sheet (Website)</strong>
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A one-page cheat sheet on all of Claude Code's capabilities and commands.
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<strong>Petition to Node.js TSC: No AI code in Node.js Core (2 minute read)</strong>
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<span style="font-family: "Helvetica Neue", Helvetica, Arial, Verdana, sans-serif;">
A community petition signed by Node.js core contributors asking the TSC to vote against allowing LLM-generated PRs in Node.js core.
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