DeepCybo's PhysBrain 1.5 Tops Open-Source Physical AI Rankings with 72.5 Score

Chinese AI firm DeepCybo released PhysBrain 1.5 on September 9, 2026, a physical foundation model designed to bridge the gap between language AI and real-world robotic action. The model achieved an average score of 72.5 across 28 public benchmarks, claiming the top spot among open-source physical AI models and trailing leading closed-source competitors by just under one point. PhysBrain 1.5 is built on a closed-loop architecture called Physical Loop, which enables robots to observe, reason, act, and self-correct based on environmental feedback. DeepCybo trained the model using Ego360, a proprietary human-interaction dataset derived from panoramic video capturing full-body movement and task-level voice data, rather than internet text. Both the 2B and 8B variants are released under an Apache 2.0 open-source license and attracted over 3,000 Hugging Face downloads within three days of launch.

AllSpark's Open-Source Iris Search Agent Rivals Closed-Source Tools with Context Management

AllSpark Research has launched Iris, an open-source AI search agent available in two sizes — Iris-mini (35B total, 3B active parameters) and Iris-pro (397B total, 17B active parameters) — both built on a Mixture-of-Experts architecture with 256K context windows and released under the Apache 2.0 license. Iris achieves strong benchmark scores, including 88.6 on BrowseComp and 92.9 on DeepSearchQA for the pro model, competing closely with previously dominant closed-source search agents. A key finding from the research is that intelligent context management — rather than simply scaling up parameters — is the primary driver of performance, with the smaller Iris-mini benefiting more from context strategies than the larger model. The agents were trained using an alternating supervised fine-tuning and reinforcement learning process run against live web search, not static offline data. By releasing model weights, context management strategies, and data construction methods together, AllSpark aims to close a two-year gap between open- and closed-source search agent capabilities.

How to Fix Emails Landing in Spam: Debugging SPF, DKIM, and DMARC Alignment

Emails landing in spam despite configured authentication often stem from a misalignment between the domain in the visible From header and the domains used by SPF or DKIM. DMARC passes only when at least one authenticated identifier — either the SPF envelope-from domain or the DKIM d= signing domain — organizationally matches the visible From domain. Two separate authentication passes using unrelated domains will still cause DMARC alignment to fail, a common source of confusion during DNS migrations. To diagnose issues accurately, administrators should inspect the full headers of a received message and check the Authentication-Results field rather than relying on setup dashboards. Alignment rules can be relaxed or strict depending on the aspf and adkim tags in the DMARC record, and these settings become especially critical when moving DNS zones or introducing subdomains.

Developer Tests Whether AI Agent Authorization Actually Binds to Final Execution

A developer building AgentGuard, an AI agent security tool, investigated whether authorization decisions genuinely bind the specific action that gets executed, rather than merely being associated with it. The core concern is that an authorized action — such as a refund of $100 — could be replaced at execution time with a different one, such as a refund of $1,000, without triggering a rejection. Independent adversarial testing by OpenWorkProof uncovered two high-severity vulnerabilities: one where authorization could be linked to inputs other than the exact execution parameters, and another where an arbitrary callable could be injected into the execution path. In response, the developer redesigned the system around immutable execution snapshots and capability-bound execution to prevent any material change between authorization and actual execution. The findings highlight a broader gap in AI agent security, where permission systems may approve actions without guaranteeing that the approved action is precisely what runs.

AWS Security Groups vs NACLs: Key Differences Explained Simply

In AWS networking, both Security Groups and Network ACLs (NACLs) are used to control network traffic, but they operate at different levels. A Security Group acts as a firewall at the EC2 instance level, controlling which traffic is allowed to reach a specific virtual machine. A NACL, or Network Access Control List, works at the subnet level, filtering traffic for all resources within that subnet. For example, a Security Group on a web server might allow only HTTP (port 80), HTTPS (port 443), and SSH (port 22) traffic. Understanding this instance-versus-subnet distinction is considered the foundational concept for managing AWS VPC network security.

J&K: Police bust LeT-linked OGW network, arrest 3 for aiding terrorists

C# Tutorial: Convert Excel to Markdown and Back Using Spire.XLS Library

A new developer tutorial on DEV Community demonstrates how to perform bidirectional conversion between Excel spreadsheets and Markdown tables using C#. The guide relies on the Spire.XLS for .NET library, which works independently without requiring Microsoft Office to be installed. Developers can convert Excel files to standard Markdown tables with just a few lines of code, and reverse the process to generate print-ready Excel files from Markdown input. The solution is compatible with .NET Framework 4.0 and above, as well as .NET Core 3.1 and later versions. Output Markdown files are designed to work seamlessly with platforms such as GitHub, Gitee, and Yuque.

Accenture to settle diversity claim with $25 mn

US Confirms Deployment of Space Weapons for the First Time

The United States has officially acknowledged for the first time that it has deployed weapons in space. The announcement was made by the US Air Force Secretary, marking a significant disclosure in American military policy. The weapons, according to the Air Force Secretary, are intended to protect the country from potential enemy threats. This confirmation represents a notable shift in the US government's openness about its military capabilities beyond Earth's atmosphere.

How to Build a Freemium WordPress Plugin That Passes WordPress.org Review

WordPress.org's Guideline 5 prohibits plugins that contain locked, disabled, or paywalled code within the free version submitted to its directory. The compliant approach requires the free plugin to be fully functional on its own, with no hidden pro features bundled inside it. Paid features must live in a completely separate plugin sold off-site, which hooks into extension points exposed by the free plugin when installed and licensed. Developers are also advised to run the official Plugin Check tool before submitting to catch common escaping, internationalisation, and header issues that typically trigger rejection. Additional pitfalls include advertising unbuilt features in readme files and using trademarked terms in plugin slugs, both of which can result in rejection during review.

Jensen Huang Takes Live Call from Trump at Public Event

Nvidia CEO Jensen Huang received a live phone call from President Donald Trump during a public appearance. The moment drew significant attention from observers and media. While the call itself was noteworthy, some viewers were equally curious about the device Huang used to take the call. The incident highlights the high-profile relationship between the tech industry and the current U.S. administration.

AI Coding Logs Are Turning Private Thought Processes Into Corporate Data

As AI coding tools become standard in workplaces, the conversation logs they generate are increasingly stored on company servers and visible to employers through admin dashboards. Unlike code repositories or time logs, these records capture the entire thinking process — what questions an employee asked, where they hesitated, and how they approached problems. Legal frameworks around works-for-hire and trade secrets mean that once such logs reside on company accounts or devices, de facto control effectively transfers to the employer. This raises concerns about misuse, including reducing nuanced cognitive work to performance metrics or extracting an employee's accumulated questioning techniques as proprietary knowledge. The shift marks a new frontier in workplace data, where the internal act of thinking has, for the first time, become externally recordable and replayable.

Mirzapur The Movie crosses Rs 273 crore globally in two weeks

Mirzapur The Movie has collected Rs 273.64 crore worldwide after completing its second week in cinemas. Domestic earnings in India stood at Rs 190.20 crore, while overseas markets contributed Rs 47.00 crore to the total. The film fell just short of the Rs 275 crore milestone by a narrow margin. Collections dipped on the eleventh day, with overall theatre occupancy recorded at 26.82 percent, indicating a gradual slowdown at the box office.

Why AI Acts as a Mirror for Human Thinking, Not Just a Smarter Search Engine

A developer writing code with AI since June 2025 observed that AI conversations fundamentally differ from search engines in how they engage the user's thinking. While search engines retrieve existing information without altering the user's thought process, AI conversations involve co-creation — clarifying vague ideas, challenging assumptions, and reorganizing reasoning. The author argues that the process of formulating thoughts into language for an AI inherently forces users to structure and examine their own logic. Rather than simply providing answers, AI acts as cognitive scaffolding, making the user's thinking process externally visible for the first time. This perspective forms the first part of a planned four-part series exploring the nature of human-AI interaction.

Developer Launches COPstark, an AI-Powered AWS Cloud Cost Optimization Tool

A developer has built COPstark, a cloud budget optimization tool designed to help businesses reduce their AWS infrastructure spending. The tool analyzes AWS environments and generates actionable cost-saving recommendations, while a savings monitor tracks the financial impact of implemented changes. COPstark also identifies potential savings through AWS Savings Plans and includes an AI-powered chatbot that explains the reasoning behind each recommendation. Built on a technical stack including AWS CDK, ECS, Docker, Lambda, and S3, the tool uses secure cross-account access to analyze customer environments without requiring extra infrastructure. The project gave its creator hands-on experience in cloud architecture, distributed systems, and integrating AI into real-world engineering workflows.

Xi and Modi Reach Key Consensus on Border Peace, BRICS Cooperation

Chinese Foreign Minister Wang Yi described the recent talks between President Xi Jinping and Prime Minister Narendra Modi as yielding the 'most important consensus' between the two leaders. The two sides agreed to jointly maintain peace and tranquility along their shared border areas. Wang Yi emphasized that India and China should act as partners rather than rivals. The two nations also agreed to support each other in their respective roles as rotating chair of the BRICS grouping.

Trump's mail-ballot rule hits Supreme Court wall

TypeScript Guide Shows How to Calculate True Loan APR After Origination Fees

A technical tutorial published on DEV Community explains how to compute the real annual percentage rate (APR) of a loan when upfront or recurring fees alter the borrower's actual cash flows. The core insight is that a lender's advertised nominal rate can differ significantly from the effective rate once fees reduce the amount a borrower actually receives. The guide frames the problem as an internal rate of return (IRR) calculation, where the true APR is the discount rate that makes the net present value of all scheduled outflows equal to the funds actually disbursed. A TypeScript implementation is provided, covering annuity payment formulas, cash-flow schedule construction, and a bisection-based IRR solver. The author notes the code is intended for comparing disclosed loan cash flows and does not constitute financial or legal advice.

Congress says Dalit backlash over Mallikarjun Kharge purification row helped it in Rajasthan polls

UPI Transactions Up to Rs 2,000 Remain Free; No Fee Announced Beyond That

UPI payments up to Rs 2,000 are currently free for consumers in India, with no government-mandated transaction charges in place. There is no officially announced fee that automatically applies when users make payments exceeding this threshold, such as Rs 5,000 or Rs 10,000. The absence of a formal fee structure means consumers are not directly charged for higher-value UPI transactions at this time. Clarity around UPI charges has been a topic of public interest, given the platform's widespread use across the country.