Developer tools news — AI coding assistants, IDEs, CLI tools, APIs, and productivity tools for software engineers. GitHub Copilot, Cursor, and more.
Developer MrDesjardins built Jev Realtime Code Check, a VS Code/Cursor extension that runs 370 Markdown coding rules against local Git diffs using TypeSafe AI's Jev model, in a single 2-hour session. The extension loads …
The open-source Rust inference library behind the NobodyWho Chat test app can register for OS memory-warning signals to automatically unload LLM models before Android and iOS Out Of Memory killers terminate the app, acco…
Firebase AI Logic now runs developer-written Cloud Functions before and after every Gemini generateContent request, per Firebase's Sept. 10, 2026 release note. The beforeGenerateContent and afterGenerateContent triggers …
An MLX-based parallel constrained decoding engine for Apple Silicon evaluates every JSON schema field in a single forward pass, cutting structured extraction latency 5.6x to 7.0x versus standard autoregressive JSON gener…
LM Studio, a free desktop application for running local large language models, serves models over an OpenAI-compatible API at http://localhost:1234/v1 and also speaks the Anthropic API, letting Claude Code connect to a l…
Polars released its query profiler for open source users for free, enabling profiling via a single line, `pl.Config.enable_monitoring()`, after installing `polars_cloud`. The profiler hooks into the streaming engine, sen…
AMD published a step-by-step FlyDSL workflow for implementing a custom diffusion attention kernel, targeting vLLM's TiDAR (Think in Diffusion, Talk in Autoregression) mode with paged KV caches and scratch storage for spe…
Medusa has built agentic automations, using Claude Code, to handle its release workflow, including drafting release notes, updating documentation, and generating changelog entries, according to a September 17, 2026 compa…
Researchers at UC Berkeley and Arena published HarnessTax on September 16, 2026, finding that swapping the harness around the same coding model changed task success by only about ±2 points on SWE-bench Lite and ±5 on Ter…
GitHub made workflow execution protections generally available on September 17, 2026 and announced that public repositories on the default policy will no longer run workflows started by the pull_request_target event, wit…
Mutagent Helix published a meta-evaluation comparing its agent-building tool against hand-driving Claude Code across twenty agent benchmarks, measuring each calibration pass by dollar cost and number of human interaction…
Intel released OpenVINO 2026.4 on 16 September 2026, adding ten new model families for CPU and GPU inference, including Kokoro-82M text-to-speech, Qwen3-ASR speech-to-text, Muse Glimmer 30B, Qwen3.8 27B, Gemma 4 12B, Hy-…
Meta Developer Advocate Dilmer Valecillos recommends skipping the Unity MCP server in favor of Unity's new CLI and pipeline package, which he says offers dramatically faster iteration times by using the Roslyn compiler f…
Datasette 0.65.5 was released on 16th September 2026 with a security fix for a flaw where a trailing newline in a requested table name could bypass table permissions and expose private rows. The issue was reported by dpf…
A developer built Mycelium, an open-source persistent associative memory system for AI agents that preserves project decisions, dead ends, and context across sessions and model changes. The developer reports that the too…
A developer has published a Python walkthrough for building a runnable MCP client-host loop, covering stdio transport, streamable HTTP, and letting an LLM choose which tool to invoke. The tutorial, adapted from a Chinese…
VLLM contributor mmastrac opened a pull request adding a "Jev-like" structured generation mode for the DiffusionGemma model, retitling it from a work-in-progress draft to "[Core] structured generation mode for DiffusionG…
Developer ivanfioravanti merged a pull request adding Qwen3.8 Flash Next support to the antirez/ds4 repository, including qwen4exp loading, tokenizer and chat formatting, PLE sidecars, Metal text and vision graphs, built…
TypeSafe AI has published a comprehensive project reference for Jev, its first public System One Model, which takes unstructured or structured state as input and returns typed probabilistic decisions rather than generate…
OpenSpec launched as a lightweight, configurable framework for creating and managing software specifications, aiming to keep teams and coding agents aligned as work evolves. The framework supports more than 40 coding too…