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<div style="display: none; max-height: 0px; overflow: hidden;">Temporal is a newly standardized JavaScript API that finally fixes the numerous pain points associated with the legacy `Date` object. </div>
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<h1><strong> TLDR Dev <span id="date">2026-03-12</span></strong></h1>
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Bugs sneak out when less than 80% of user flows are tested before shipping. However, getting that kind of coverage (and staying there) is hard and pricey for any team.<p></p><p><a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fwww.qawolf.com%2F%3Futm_source=tldrwebdev%26utm_medium=newsletter%26utm_campaign=ACQ_All_Demo_Conversions__NewsletterAudience_-_Newsletter_KissBugsGoodbye_20260312-None_Experiment-FALSE%26utm_term=body-QAWolf%26utm_content=KissBugsGoodbye_ScheduleADemoToLearnMore_None_Headline%253AKissBugsGoodbyeWithFullyAutomatedEndToEndTestCoverage____Newsletter-SecondaryPlacement_20260312_v1_/1/0100019ce1bbc804-9101cc06-2403-4bee-bc43-f378275c14de-000000/PMPV7TyvXrpy7YM2jrUhDDMi-G3sFgZJBv84Q0ANlQs=448" rel="noopener noreferrer nofollow" target="_blank"><span>QA Wolf's</span></a> AI-native service provides high-volume, high-speed test coverage for <strong>web and mobile apps</strong>, reducing your organization's QA cycle from days to minutes. </p>
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Temporal is a newly standardized JavaScript API that finally fixes the numerous pain points associated with the legacy `Date` object. The `Date` object's issues, including mutability, inconsistent arithmetic, and ambiguous parsing, led devs to rely on large third-party libraries. Its development involved multi-company collaboration, notably using the unique `temporal_rs` shared Rust library for implementation across JavaScript engines.
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88% of AI proof of concepts never make it to production. Tines' intelligent workflow platform combines deterministic automation, AI, and human-led steps to run workflows you trust in production. Power your most important workflows today with Tines free Community Edition.
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Agent Browser Protocol (ABP) is a specialized Chromium build designed to facilitate AI agent interaction with web browsers. It transforms continuous web browsing into discrete, stable steps, allowing AI agents to reason effectively without racing against a live browser. ABP does this by pausing JavaScript and virtual time between actions.
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<strong>Plannotator (GitHub Repo)</strong>
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<span style="font-family: "Helvetica Neue", Helvetica, Arial, Verdana, sans-serif;">
Plannotator is an interactive, visual tool for reviewing and refining plans generated by AI coding agents. It provides features like plan diffs, code review, and the ability to annotate any markdown file, streamlining the agent's development workflow. The tool integrates seamlessly with AI coding agents such as Claude Code, OpenCode, Pi, and Codex.
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<div style="text-align: center;"><strong><h1>Miscellaneous</h1></strong></div>
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<a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fmetr.org%2Fnotes%2F2026-03-10-many-swe-bench-passing-prs-would-not-be-merged-into-main%2F%3Futm_source=tldrdev/1/0100019ce1bbc804-9101cc06-2403-4bee-bc43-f378275c14de-000000/KEaAA95lrZDysJOJhJMrDcMLDo9nkotyyZH5bn5GB_8=448">
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<strong>Many SWE-bench-Passing PRs Would Not Be Merged into Main (15 minute read)</strong>
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A METR study found a gap between AI-generated code passing automated benchmarks and its acceptance by human maintainers. Roughly half of the AI-generated PRs that passed SWE-bench automated tests were rejected by repository maintainers, even after adjusting for review noise. Maintainers cited issues like poor code quality, breaking other code, or core functionality failures as reasons for rejection.
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<strong>How We Hacked McKinsey's AI Platform (6 minute read)</strong>
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CodeWall's autonomous AI agent successfully exploited an unauthenticated SQL injection vulnerability in McKinsey's internal AI platform, Lilli, gaining full read and write access to its production database within two hours. This compromise exposed over 46.5 million chat messages, 728,000 sensitive files, and McKinsey's entire proprietary RAG knowledge base.
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Despite advancements since 2017, WebAssembly is still a second-class language on the web, primarily due to cumbersome code loading and a lack of direct access to Web APIs. This limitation creates a difficult developer experience. The WebAssembly Component Model is proposed as a solution to provide first-class integration into the web.
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Rust is improving the PostgreSQL ecosystem by enabling the creation of safer, more performant, and scalable extensions and infrastructure.
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<strong>The MacBook Neo (15 minute read)</strong>
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The MacBook Neo is a $600 laptop using powerful A-series chips to deliver great performance and quality, which is unprecedented for Apple compared to its past history of high performance for a high price.
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<strong>It's Official: Wiz Joins Google! (4 minute read)</strong>
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Wiz, a cloud and AI security company, has officially joined Google through a $32 billion acquisition.
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<strong>An engineer's guide to product management (10 minute read)</strong>
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<span style="font-family: "Helvetica Neue", Helvetica, Arial, Verdana, sans-serif;">
As product and engineering roles converge, engineers must adopt core product management skills, like gathering context, tracking success, and communicating actionably, to make better product decisions and improve overall product outcomes.
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