n8n Custom Node Credential Test Fails Due to Internal Loader Bug, Fix Available

Developers building custom n8n nodes have long encountered a 'No testing function found for this credential' error when clicking the Test button in the UI, even with credentialTest correctly defined. The root cause lies in n8n's LoadNodesAndCredentials.ts, where the loader checks supportedNodes but generates nodesToTestWith, meaning the credential-to-test linkage silently breaks for custom and community nodes. The bug, tracked as n8n-io/n8n#8188 and originally reported on Stack Overflow, continues to affect users on versions as recent as 1.94 despite an earlier official fix. The recommended solution is to move the test logic directly onto the credential class as an ICredentialTestRequest object, eliminating any dependency on the node-side credentialTest method. This self-contained approach works regardless of whether the node is symlinked into ~/.n8n/custom or installed as a packaged module.

Missing reportWebVitals export silently breaks LCP tracking in Next.js production

Next.js only collects Core Web Vitals such as LCP in production when the app explicitly exports a reportWebVitals function (Pages Router) or uses the useReportWebVitals hook (App Router). Without this export, no metrics are forwarded to analytics services like Vercel's dashboard or Google Analytics, leaving the data columns blank. The issue goes unnoticed in development because the dev overlay injects its own logger, masking the missing pipeline. Next.js internally checks for the export after the production bundle is built, meaning hot-module replacement in dev mode cannot reveal the problem. The fix requires adding or correcting the reportWebVitals export in pages/_app.js and rebuilding the application — there is no next.config.js flag to enable this behaviour.

AI Vulnerability Discovery May Limit Government Use of Hacking Tools

Artificial intelligence is increasingly demonstrating its ability to identify and exploit software vulnerabilities at scale. This growing capability could complicate how governments deploy hacking tools and spyware in surveillance operations. Security experts suggest that as AI lowers the barrier to finding flaws, the exclusivity governments rely on for such tools may erode. The development could also revive longstanding policy debates around mandating backdoor access to consumer devices.

Lionel Messi Announces Retirement from International Football

Football legend Lionel Messi has officially announced his retirement from international football, bringing an end to a celebrated career on the global stage. The Argentine star described the decision as both difficult and necessary, indicating that the timing felt right to him. Messi expressed heartfelt gratitude toward his supporters and emphasized the importance of giving younger players the opportunity to develop and step up. He stated that he leaves international football feeling fulfilled and with his dignity intact.

Lionel Messi Announces Retirement from International Football

Legendary Argentine footballer Lionel Messi has announced his retirement from international football. The announcement marks the end of a historic international career in which Messi led Argentina to numerous titles. Messi acknowledged the decision was a painful one, describing it as something that 'hurt' him deeply. However, he expressed acceptance, stating that he understands the time has come to step away from the international stage.

Why Threads Matter: Concurrency, Race Conditions, and Deadlocks Explained

Threads are independent execution paths within a program that allow multiple tasks to progress simultaneously instead of waiting sequentially, improving responsiveness and throughput. A Java process can run several threads in parallel, sharing resources like heap memory and static variables. However, shared memory access introduces concurrency bugs such as race conditions, where two threads reading and writing the same variable simultaneously can produce incorrect results. Java provides tools like volatile, synchronized, locks, and atomic classes to manage visibility and thread safety, though each comes with its own limitations. When two threads each hold a lock the other needs, neither can proceed, resulting in a deadlock that halts the application entirely.

Unsecured Low-Code Apps Creating Shadow IT Risks, Exposing Sensitive Data

The rapid adoption of low-code/no-code platforms like Replit, Lovable, and Vercel is enabling non-technical users to build and deploy applications without security oversight, creating a growing shadow IT problem. A recent incident highlighted the risk when a customer intake form built on Lovable was deployed directly to a live production database with no authentication or access controls, going undetected until an external audit. Two similar cases were later found, including a survey tool connected to an unencrypted shared repository and a landing page with an exposed API key in client-side code. A 2023 study found 380,000 publicly accessible apps on such platforms, with 22% containing exposed credentials or sensitive data. Experts recommend that organizations deploy external attack surface management tools, enforce security-by-design principles in low-code workflows, and provide mandatory security training for non-technical staff.

K Kavitha Recounts Her Arrest and Transfer to Tihar Jail in Emotional Address

BRS leader K Kavitha broke down while recalling the circumstances of her arrest and subsequent transfer to Tihar Jail in Delhi. She expressed anguish over being taken away from Telangana, the state she claims to have worked hard for. Kavitha questioned why she was sidelined despite her years of dedication to Telangana and her party. Her emotional remarks highlighted her sense of betrayal and the personal toll of her legal ordeal.

Nvidia Invests $3.5B in MediaTek to Counter Big Tech's In-House AI Chips

Nvidia has made a $3.5 billion investment in Taiwanese chipmaker MediaTek, signaling a major strategic move in the AI hardware space. The deal comes as large technology companies increasingly develop their own custom AI chips, potentially reducing reliance on Nvidia. By partnering with MediaTek, Nvidia aims to remain a critical player in AI infrastructure despite this growing competitive threat. The investment reflects Nvidia's broader effort to adapt its business model as the AI chip landscape rapidly evolves.

Lionel Messi retires from Argentina National Team

Is True Decentralization in Blockchain Achievable or Just an Ideal?

Decentralization has been the foundational promise of blockchain technology since Bitcoin emerged in 2009 as a response to the global financial crisis, aiming to eliminate central authority, enable censorship resistance, and allow trustless transactions. However, as the industry has matured, significant centralizing forces have emerged across key technical layers. Mining pools in proof-of-work systems and liquid staking protocols in proof-of-stake networks — such as Lido controlling over 30% of staked ETH — have concentrated power among a small number of actors. Infrastructure dependencies further compound the problem, with reports indicating over 60% of Ethereum nodes hosted on centralized cloud providers like AWS, creating potential single points of failure. These economic, technical, and behavioral pressures raise serious questions about whether systems labeled decentralized truly meet that standard, or simply represent a more distributed but still imperfect form of organization.

Six Open Standards Aim to End AI Agent Lock-In Across Platforms

Teams building AI agents often find their work trapped inside a single vendor's platform, with system prompts, tool configurations, and approval rules stored in proprietary formats that cannot be easily moved. This lock-in resides not in the underlying model — which can be swapped freely — but in the 'harness,' the runtime software that manages context, executes tools, and enforces permissions. A set of six emerging specifications seeks to make these harness components portable: the Model Context Protocol, Agent Skills, Agent2Agent, the Open Agent Profile, the Agentic Graph Specification, and the Agent Approval Interchange Specification. The effort draws a parallel to how Apache Iceberg resolved data storage lock-in by establishing open table formats any engine could read. The author, who works at data platform company Dremio and co-authored three of the six specs, argues that standardising the harness layer is the next necessary step for teams to truly own the AI agents they build.

Why Agent Memory Architecture Matters More Than Reasoning in AI Systems

A technical guide published on DEV Community on August 24 by Anannya Roy Chowdhury argues that poor memory architecture, not flawed reasoning, is the primary cause of failure in AI agents. The article introduces the concept of 'stale state poisoning,' where outdated information in an agent's memory degrades performance in multi-agent systems. The piece focuses on engineering constraints as a practical approach to designing more reliable and efficient agent memory architectures. It targets developers and AI practitioners looking to improve the reliability of agent-based systems.

The Daily Catch-Up: Delhi voter rolls, plastic currency, Iran war and more

War, peace & a car ride: Key moments from PM Modi-Putin Bishkek meet

How Brain-Inspired 'Hormonal' Feedback Loops Can Cut AI Cloud Costs

A software engineering framework draws on human neuroscience to propose a real-time cost and capacity management system for enterprise AI infrastructure. Just as the brain activates homeostatic mechanisms under stress to conserve energy, the approach introduces a 'Systemic Stress Index' calculated continuously from CPU/RAM saturation, real-time financial burn rate, and upstream response latency. Based on this index, the system dynamically shifts between three operational modes — abundance, conservation, and survival — adjusting model tier and context window size instead of issuing hard rate-limit rejections. Techniques such as adaptive context throttling reduce the number of retrieved vector chunks from 20 to as few as 5 during high-stress periods, cutting unnecessary token consumption. The core argument is that FinOps and capacity controls must function as embedded, real-time metabolic regulators within the application kernel, not as after-the-fact dashboard metrics.

Pakistan to overhaul squad and management following Lord's Test defeat

Pakistan are set for a major restructuring of their squad and team management following their defeat at Lord's. Openers Imam-ul-Haq and Mohammad Rizwan are reportedly being sent home from the touring party. Speculation is mounting that white-ball coach Mike Hesson could replace Sarfaraz Ahmed in a coaching capacity. The changes reflect growing pressure on Pakistan's cricket leadership following the disappointing result in England.

Guide: How to Build Secure Customer Identity Verification Jobs in Node.js

A technical guide published on DEV Community outlines best practices for implementing customer identity verification in a Node.js service using durable job queues. The approach recommends validating document manifests before any rendering begins, rejecting unsupported file types, oversized inputs, and expired requests at the earliest stage. Temporary files should be kept private and short-lived, while document fidelity is treated as a hard release requirement rather than an optional quality measure. The guide provides TypeScript code examples demonstrating a structured manifest format that avoids storing raw identity values or customer-supplied filenames. It also advises teams to track p95 latency separately for verification, rendering, and retry operations to maintain both correctness and performance under traffic spikes.

Indonesia Choose to Bowl in Historic Asia Cup Debut

Indonesia are making their maiden appearance at the Asia Cup, marking a historic milestone for Indonesian cricket. They won the toss and opted to bowl first in the fixture. Their opponents are also facing Indonesia for the very first time in international cricket. The match represents a new chapter for both nations on the continental stage.

Best Practices for Writing Reliable and Defensive Bash Scripts

A developer experienced in Bash scripting has outlined key techniques for writing more robust and maintainable shell scripts. The guide recommends structuring scripts with a clear layout, including readonly global variables, modular functions, and a central main() entry point. Proper error handling is emphasized, with dedicated logging functions for both informational and error messages to aid debugging, especially in daemon or cron job contexts. Splitting logic across multiple scripts and keeping variables local where possible is advised to manage complexity as projects grow. The author also stresses the importance of clear comments to offset Bash's notoriously cryptic syntax.