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<div style="display: none; max-height: 0px; overflow: hidden;">As AI makes it easier to generate code, the burden on reviewers increases, requiring strong heuristics that assess clarity of PR descriptions </div>
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<a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fchronosphere.io%2Fresource%2Funveiling-the-landscape-of-day-2-operating-cloud-native-applications%2F%3Futm_source=tldr-devops%26utm_medium=newsletter/1/0100019b12741bab-415534bc-1f88-460b-adaa-8f773ef8d773-000000/i0yPbd6rHYi_m49nIxKmCA47kttvnhhwLZX596vpIq8=435"><img src="https://images.tldr.tech/chronosphere50.png" valign="middle" style="vertical-align: middle !important; height: 100%;" alt="Chronosphere"></a></td></tr></tbody></table>
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<h1><strong>TLDR DevOps <span id="date">2025-12-12</span></strong></h1>
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<a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fchronosphere.io%2Fresource%2Funveiling-the-landscape-of-day-2-operating-cloud-native-applications%2F%3Futm_source=tldr-devops%26utm_medium=newsletter/2/0100019b12741bab-415534bc-1f88-460b-adaa-8f773ef8d773-000000/-7pyuOFVJkJDNHsCwsHpsKNqKyUFwV6baKzSem1HtXQ=435">
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<strong>The Day 2 observability landscape: an eBook by Chronosphere & Google Cloud (Sponsor)</strong>
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<span style="font-family: "Helvetica Neue", Helvetica, Arial, Verdana, sans-serif;">
Most organizations have made the leap to basic cloud monitoring and application performance tools, but few have achieved <strong>deep, causal observability</strong>.<p></p><p>At the same time, <a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fchronosphere.io%2Fresource%2Funveiling-the-landscape-of-day-2-operating-cloud-native-applications%2F%3Futm_source=tldr-devops%26utm_medium=newsletter/3/0100019b12741bab-415534bc-1f88-460b-adaa-8f773ef8d773-000000/OOYlj_Qat3PlKcvkOOxNHVDrKpUSSYILvd6wFNvXAE0=435" rel="noopener noreferrer nofollow" target="_blank"><span>over 70% of orgs report</span></a> needing to <strong>cut deployment times 50%</strong> vs. three years ago. Can they?</p>
<p><a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fchronosphere.io%2Fresource%2Funveiling-the-landscape-of-day-2-operating-cloud-native-applications%2F%3Futm_source=tldr-devops%26utm_medium=newsletter/4/0100019b12741bab-415534bc-1f88-460b-adaa-8f773ef8d773-000000/znQBsuIv1fuWZ-38d55701j5_ZYc6XerBDYM1Lus0H4=435" rel="noopener noreferrer nofollow" target="_blank"><span>This Chronosphere and Google Cloud eBook</span></a> draws on survey data to lay out the Day 2 landscape. Read it to learn:</p>
<ul>
<li>How enterprises are using IT automation and AIOps to speed up</li>
<li>What you can do to streamline dev workflows</li>
<li>Strategies for increasing the resilience of cloud-native apps</li>
</ul>
<p><a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fchronosphere.io%2Fresource%2Funveiling-the-landscape-of-day-2-operating-cloud-native-applications%2F%3Futm_source=tldr-devops%26utm_medium=newsletter/5/0100019b12741bab-415534bc-1f88-460b-adaa-8f773ef8d773-000000/e7Z9tZ4e7WzIg9ZHEpSmwV_SGnK3cYojRXEMVCq2WzY=435" rel="noopener noreferrer nofollow" target="_blank"><span>Get the eBook</span></a>
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<strong>Building responsive APIs with Amazon API Gateway response streaming (5 minute read)</strong>
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AWS has introduced API Gateway response streaming to reduce time to first byte, handle large or long-running responses, and enhance real-time interactivity for AI and web apps. Developers can enable streaming across Lambda, HTTP proxy integrations, and various clients with extended timeouts and full observability support.
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<strong>Linux Foundation Announces the Formation of the Agentic AI Foundation (AAIF) (7 minute read)</strong>
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On December 9, the Linux Foundation launched the Agentic AI Foundation (AAIF), an initiative co-founded by Anthropic, Block, and OpenAI. The AAIF aims to advance open and accessible agentic AI, stewarding key projects such as Anthropic's Model Context Protocol (MCP), Block's goose, and OpenAI's AGENTS.md.
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<strong>Lima v2.0: New features for secure AI workflows (4 minute read)</strong>
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The Lima project shipped its second major release (v2.0.0) on November 6, significantly expanding its capabilities to support AI workloads alongside containers. This update introduced GPU acceleration for Linux VMs on macOS hosts via a krunkit VM driver and new Model Context Protocol (MCP) tools, enabling secure execution of AI agents within a VM sandbox.
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<h1><strong>Opinions & Tutorials</strong></h1>
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<a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fwww.tigera.io%2Fblog%2Fan-in-depth-look-at-istio-ambient-mode-with-calico%2F%3Futm_source=tldrdevops/1/0100019b12741bab-415534bc-1f88-460b-adaa-8f773ef8d773-000000/dyqf0Ndp4Itj17JC_zu3jTm7khf959a_XQOEblrwnwA=435">
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<strong>An In-Depth Look at Istio Ambient Mode with Calico (10 minute read)</strong>
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Tigera has introduced a unified platform that integrates Istio Ambient Mode with Calico, offering a sidecarless service mesh solution designed to simplify Kubernetes networking, security, and L7 observability across clusters by eliminating fragmented tools and reducing operational overhead. This integration provides crucial capabilities like mTLS encryption, L4/L7 traffic control, and deep application-level observability while preserving existing network policies.
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<a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fbenjamincongdon.me%2Fblog%2F2025%2F12%2F10%2FWhat-I-Look-For-in-AI-Assisted-PRs%2F%3Futm_source=tldrdevops/1/0100019b12741bab-415534bc-1f88-460b-adaa-8f773ef8d773-000000/6G3QZhawFKAn0BOZ4oNb_3wJp0tG2wkqcZjMRqScgog=435">
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<strong>What I Look For in AI-Assisted PRs (5 minute read)</strong>
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As AI makes it easier to generate code, the burden on reviewers increases, requiring strong heuristics that assess clarity of PR descriptions, reversibility of changes, appropriate scope, coherent abstractions, meaningful tests, and healthy error-handling while watching for “vibe” code smells that indicate low human curation. AI can help with first-pass review but still struggles with conceptual design issues, so human judgment—and eventually stronger verification tools—remain essential as code volume rapidly scales.
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<strong>Stop AI scrapers from stealing your PDFs with TDMRep (Sponsor)</strong>
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RustFS, an open-source and S3-compatible high-performance object storage system built in Rust, has been shown to be 2.3x faster than MinIO for 4KB object payloads. Released under the permissible Apache 2.0 license, it supports migration and coexistence with other S3-compatible platforms while being optimized for data lakes, AI, and big data workloads.
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Fresh is a terminal-based text editor that offers an easy, powerful, and fast experience with native UIs, a command palette, and full mouse support for users transitioning from graphical editors. It's designed for extensibility with TypeScript plugins and engineered for speed. Fresh can handle multi-gigabyte files without slowing down.
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<div style="text-align: center;"><strong><h1>Miscellaneous</h1></strong></div>
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<strong>Postman Workspace Leaks: When Your API Testing Tool Becomes a Data Breach (12 minute read)</strong>
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A year-long investigation revealed that more than 30,000 public Postman workspaces leaked sensitive API keys, tokens, and credentials, exposing organizations across healthcare, finance, e-commerce, and tech to real-world breaches and financial risk. The incident highlights how simple misconfigurations, insecure developer practices, and weak defaults in collaboration tools can escalate into widespread, high-impact security failures.
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<strong>The case of .Net Central Package Management and Azure DevOps Pipelines (3 minute read)</strong>
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A .NET 10 project using Central Package Management failed in an Ubuntu-based Azure pipeline because the required Directory.Packages.props file was miscapitalized, which Windows and macOS tolerated but Linux rejected. Renaming the file with correct casing resolved the NU1015 errors and restored pipeline builds.
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<strong>Fastnet (3 minute read)</strong>
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AWS Fastnet is a high-capacity transatlantic cable linking Maryland and County Cork that delivers over 320 Tbps, strengthens network resilience, and supports growing cloud and AI demand.
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<strong>Amazon CloudWatch now supports deletion protection for logs (2 minute read)</strong>
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Amazon CloudWatch has added deletion protection for log groups, preventing accidental removal of critical audit, compliance, and operational logs.
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<strong>Docker Model Runner Adds vLLM Support on Windows (3 minute read)</strong>
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Docker Model Runner has expanded its vLLM support to Docker Desktop for Windows with WSL2 and NVIDIA GPUs, allowing Windows developers to leverage vLLM's high-throughput inference capabilities for accelerated local AI development.
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