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Descriptions and status summaries are generated by an AI from publicly available data. They may not reflect the current state of a project. More on AI-extracted content. Project owners can request a correction or removal by emailing info@devupdate.io.
Acorn-JSX is a plugin for Acorn that provides an alternative, faster parser for React.js JSX syntax. It’s useful for tools that need to parse JavaScript into a JSX AST, for example language services or code analysis, rather than transpiling directly to ES5.
Maintenance status: acorn-jsx shows signs of quiet or dormant maintenance today, with the most recent upstream push dated 2022-12-04, and no newer update summaries shown since 2020-09-07.
Last release:
UnRS Resolver is a Rust-based module resolver (with Node.js bindings via npm) that implements ESM and CommonJS resolution, including support for tsconfig paths and tsconfig discovery. It can be useful in bundlers, linters, and language servers that need consistent module resolution with TypeScript configuration, and it also supports Yarn Plug’n’Play (Yarn PNP) and an in-memory file system option.
Actively maintained: The repository shows recent activity (last upstream push on 2026-06-01) and multiple tagged updates in May 2026, including both feature and maintenance changes.
Last release:
A structuredClone polyfill that provides an environment-agnostic serializer and deserializer for cloning values beyond JSON, including support for recursion and additional JavaScript types (with noted limitations for some browser types). It is useful when you need a structured clone-like behavior in environments without a native structuredClone, either by importing the polyfill directly or by optionally adding it to the globalThis object conditionally.
The repository (ungap/structured-clone) appears actively maintained, with recent updates as late as 2026-07-10 and another in 2026-06-23 and 2026-05-06, indicating ongoing work rather than a long freeze.
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TypeScript ESLint is a monorepo of tooling that enables ESLint to support TypeScript, providing powerful static analysis for JavaScript and TypeScript. It is useful if you want linting rules and plugins tailored to TypeScript code through the ESLint ecosystem. Documentation is available at https://typescript-eslint.io.
Actively maintained: The repo has very recent activity (latest upstream push on 2026-07-22) and continuous npm updates in the last month, indicating ongoing development rather than maintenance mode.
Last release:
DefinitelyTyped/DefinitelyTyped is where the community maintains high quality TypeScript type definitions for JavaScript packages. It is useful for finding and installing `@types/*` packages so TypeScript can type-check code that uses third party libraries.
DefinitelyTyped/DefinitelyTyped appears actively maintained, with an upstream GitHub push as recent as 2026-06-08 (today is 2026-06-09).
Last release:
wasm-util is a collection of WebAssembly utilities for browser environments, designed for use with ES2019 output. It provides helpers like a WASI polyfill for the browser (including load and loadSync for fetching and instantiating Wasm), memory/view extensions, and Asyncify wrapping to turn synchronous-style exports into Promise-based async functions.
TanStack Virtual is a headless, framework-agnostic JavaScript/TypeScript library for virtualizing large element lists, grids, and tables in React, Solid, Vue, and Svelte. It helps you render only visible items and achieve smooth scrolling performance, while giving you full control over your markup and styles.
Actively maintained: GitHub activity and multiple updates on 2026-07-28 (including virtual-core and several framework adapters) indicate ongoing maintenance rather than dormancy.
Last release:
TanStack Query is an asynchronous state management library for fetching and synchronizing server state in web apps, with caching and automatic refetching. It provides utilities for data fetching across REST, GraphQL, promises, and more, plus features like mutations, pagination and infinite scroll, background updates, and React Suspense support.
Actively maintained, with very recent activity (last upstream push on 2026-07-22) and multiple related package updates across React, Solid, Svelte, Vue, and related devtools/persist-client within about a day.
Last release:
Tailwind CSS Typography is a plugin that adds a set of `prose` classes for “beautiful typographic defaults” on vanilla HTML you don't control, such as content rendered from Markdown or a CMS. It’s useful for quickly styling headings, paragraphs, code, and related elements with sensible spacing and colors, including options like gray themes, type scale sizing, and dark mode via `prose-invert`.
The repository appears actively maintained, with a recent push on 2026-06-08 and a new update v0.5.20 on 2026-06-08, plus prior updates throughout 2024 to 2026.
Last release:
SWC (Speedy Web Compiler) is a Rust-based TypeScript and JavaScript compiler. It provides parsing and compilation capabilities, with documentation covering Rust usage (notably via the ecma parser) and JavaScript/Node installation, and it aims to make web development faster.
Actively maintained: The upstream repo had a push on 2026-07-22, and SWC continues to publish nightly and stable updates in July 2026 (latest stable shown: v1.15.46 on 2026-07-19), indicating ongoing development rather than maintenance mode.
Last release:
Shikijs/vscode-textmate is a fork of microsoft/vscode-textmate, useful for syntax highlighting and TextMate grammar support in VS Code-style tooling. It includes changes such as converting async operations to sync, requiring an onigLib option, bundling the library into a single ES module file, and adding support for RegExp literals in grammar objects.
The source (shikijs/vscode-textmate, a Shiki fork of vscode-textmate) shows an upstream push last at 2025-02-15, and no further updates are evident since then, so it appears quiet/dormant relative to today (2026-06-09), not actively maintained.
Last release:
Shiki is a syntax highlighter for code, described as “beautiful yet powerful” and based on TextMate grammar. It is useful if you want accurate, high-quality syntax highlighting for Markdown or other text that follows supported grammar rules.
Actively maintained: The source has recent GitHub activity (upstream push on 2026-07-03) and updates are appearing in 2026 with minimal gaps (for example, 4.3.0 on 2026-06-25 and 4.3.1 on 2026-07-03).
Last release:
Microsoft Rush Stack is a monorepo for tools maintained by the Rush Stack community, focused on reusable tooling for large scale TypeScript monorepos. It includes developer tools such as Rush (a build orchestrator) and Heft, plus API tooling like API Extractor and API Documenter (with TSDoc-based documentation).
Actively maintained: The microsoft/rushstack monorepo shows an upstream push today (2026-07-23), and multiple package updates were published very recently (2026-07-21).
Last release:
@rtsao/scc is a JavaScript package that finds strongly connected components (SCCs) in a directed graph using Tarjan's algorithm. It can also provide a topological order and a list of cycles, which is useful for tasks like cycle detection in graph data.
protobuf.js is a standalone JavaScript and TypeScript implementation of Protocol Buffers for Node.js and the browser. It helps you work with .proto files, serialize and deserialize structured data with efficient binary I/O, and supports runtime reflection as well as reflection-free static code generation with TypeScript declarations.
Actively maintained: The upstream repo shows a very recent push (2026-07-15), and there are multiple protobufjs and protobufjs-cli updates in July 2026, indicating ongoing active development rather than maintenance mode.
Last release:
Provides an implementation of the HKDF key derivation function (RFC 5869) in Node.js and multiple other JavaScript runtimes, using native crypto with no dependencies. Useful for deriving fixed-length cryptographic keys from input keying material (ikm) plus optional salt and info, based on a selectable digest algorithm. The project is marked as archived, with guidance to use the Web Cryptography API’s deriveBits instead.
Maintenance status: Upstream is marked as archived, and the most recent recorded updates in the provided history are from 2024-07-03 (v1.2.1). With today being 2026-06-09, this indicates the project is effectively in a quiet, maintenance mode rather than active development.
Last release:
OpenTelemetry JavaScript Client is a JavaScript framework for collecting traces, metrics, and logs from applications. It provides getting started documentation and API and SDK reference materials, useful for setting up and exporting observability telemetry in Node.js.
Actively maintained: The upstream repo shows a very recent push (2026-07-22), and stable and experimental updates have landed within the last couple of weeks (for example, v2.10.0 and experimental/v0.221.0 on 2026-07-21).
Last release:
nolyfill is a CLI tool for Node.js projects that identifies redundant polyfills in your existing dependencies and replaces them with lightweight alternatives. It is intended to speed up package installation (npm, yarn, pnpm), reduce disk usage by shrinking `node_modules`, and improve runtime performance by avoiding slower polyfill implementations when native support is available.
Maintenance status: The most recent update in this source is 1.0.44 on 2025-03-04, and the upstream push was 2025-06-03, which is over 12 months ago from 2026-06-09, so the project appears quiet or in maintenance mode, not actively maintained.
Last release: