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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.
A JavaScript shim or polyfill for the proposed ESnext `Array.prototype.findLast`, letting you search from the end of an array to find the last element that matches a predicate. It is designed to work in older ES3-supported environments and provides a main export that takes the array as the first argument due to `this` receiver behavior.
The source, es-shims/Array.prototype.findLast, appears quiet or in maintenance mode, with the last upstream push on 2024-03-19 and no evidence of updates since then (as of 2026-09-10).
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This is a spec-compliant shim/polyfill for `Array.prototype.includes`, implemented to work in older JavaScript environments down to ES3. It provides a drop-in `includes(array, value[, fromIndex])` function and can also expose a `shim()`/`getPolyfill()` result when `Array.prototype.includes` is missing.
Maintenance status: The upstream GitHub repo shows a recent push on 2026-09-09, which suggests the project is still being worked on. However, the most recent published updates in the provided history are v3.1.9 (2025-06-02), so there is a gap between ongoing activity and documented published changes.
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array-buffer-byte-length is a JavaScript utility that returns the byte length of an ArrayBuffer, including in environments that do not provide a `.byteLength` method. It can be used as a shim or polyfill, for example to support consistent byte-length checks and to return NaN for non-ArrayBuffer inputs.
The source appears maintained, with an upstream GitHub push on 2026-01-13, but published version updates have been infrequent (most recent recorded update is v1.0.2 on 2024-12-20).
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ARIA Query provides programmatic access to the WAI-ARIA 1.2 roles model, tracking the W3C Recommendation updates. It lets you look up ARIA role definitions and map between roles and HTML elements (including cases that depend on specific attributes like input type).
Maintenance status: Likely not actively maintained today, with the most recent observed updates in 2024 (latest tagged update v5.3.2 on 2024-09-20, and last upstream push 2024-12-06). Relative to 2026-09-10, this suggests the project is quiet/dormant (maintenance mode at best).
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Arg is an unopinionated CLI argument parser for Node.js. It parses command line flags into an object (consumed options become properties, extra positional values go into `result._`) and supports basic types, aliases, and permissive parsing behavior. It is useful for turning `process.argv` into structured inputs for command line tools.
Maintenance status: The last published updates are 5.0.2 from 2022-06-05, and the most recent upstream push was 2024-07-18, but there is no evidence of tagged package updates since 2022, so the project appears quiet/dormant in practice as of 2026-09-10.
Last release:
anymatch is a JavaScript module that matches a string against configurable matchers such as regular expressions, glob patterns, direct strings, or functions (or arrays mixing these). It is useful for flexible, user-defined configuration like matching file paths, and it can optionally return the index of the first matching matcher instead of just a boolean.
Maintenance status: Evidence suggests the project is largely quiet/dormant today, with the last upstream push on 2023-05-18 and the newest documented version update (v3.1.3) on 2022-11-21, indicating no recent momentum toward 2026.
Last release:
Any Promise lets a library work with any ES2015-compatible Promise implementation chosen by the application author. An application can optionally register its preferred Promise (including a global or browser Promise), and libraries can require `any-promise` to get that selected implementation. It can also help older Node.js versions where the global Promise may be unreliable.
The repo appears effectively dormant, with the last upstream push in 2018-10-01 and the most recent documented update being 1.3.0 in 2016-05-08, so it is not actively maintained as of 2026-09-10.
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Ajv is a fast JSON schema validator for Node.js and browsers. It supports JSON Schema draft-04/06/07/2019-09/2020-12 and JSON Type Definition (RFC8927), useful for validating JSON data against schema definitions.
Actively maintained: Recent GitHub activity and updates through v8.20.0 (2026-04-24), with the last upstream push on 2026-05-12, and additional security and feature updates in early 2026 indicate the project is active as of today (2026-09-03).
Last release:
Node.js HTTP Proxy Agents monorepo providing HTTP agent implementations that route traffic through proxies using different protocols, with support for HTTP/HTTPS and related proxy technologies. It’s useful if you’re looking for Node.js “agent” modules to send requests via proxies, and the guidance suggests using proxy-agent for the most common cases.
Actively maintained, with upstream activity as recent as 2026-08-02, and multiple package updates in 2026-06-08 (http-proxy-agent, https-proxy-agent, proxy, pac-proxy-agent, socks-proxy-agent, and related helpers).
Last release:
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: Appears quiet or effectively in maintenance mode. The latest concrete update entries shown are from 2020-09, and there is no evidence in the provided update summaries of continuing changes through 2023-2026 (despite an upstream push timestamp in 2022-12).
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 GitHub upstream description is current, and there was a recent upstream push on 2026-09-02, with follow-on versioned updates in 2026 May (v1.12.x), suggesting ongoing work rather than dormancy.
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 ungap/structured-clone source appears actively maintained, with upstream and repo activity within the last week (latest upstream push 2026-08-27, most recent tagged update v1.4.0 also on 2026-08-27).
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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: Recent activity is very fresh (upstream push on 2026-09-09) with multiple tagged updates continuing through early September 2026.
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 appears to be actively maintained at the repository level, with an upstream push recorded on 2026-09-09 (so it is not dormant as of today).
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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: The repo shows a recent upstream push on 2026-09-07, followed by multiple @tanstack/*-virtual package updates the same day, plus another update on 2026-08-18, indicating ongoing maintenance.
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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.
TanStack/query appears actively maintained, with an upstream push on 2026-09-10 and multiple related package updates in the last 2 weeks (notably the @tanstack/solid-query 6.0.0-rc line).
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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`.
Actively maintained, with the most recent upstream push and repo update on 2026-06-08 (v0.5.20), and prior updates continuing in 2025-2026.
Last release: