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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.
fflate is a pure JavaScript library for high performance compression and decompression, designed to be very small (about an 8 kB package). It supports DEFLATE, GZIP, and Zlib, and also includes ZIP file archiving plus streaming and multi-threaded asynchronous compression.
Actively maintained, with a recent update on 2026-05-16 (v0.8.3), which is only about 3.5 months before today (2026-09-03).
Last release:
fast-levenshtein is an efficient JavaScript implementation of the Levenshtein distance algorithm, usable in Node.js and in the browser. It supports locale-sensitive string comparisons via Intl.Collator (with an option to enable this), and it uses fastest-levenshtein internally for performance.
Not actively maintained: The last upstream push was 2021-10-03, and there are no newer update signals in the provided history, so as of 2026-09-10 the project appears quiet/dormant rather than actively maintained.
Last release:
fast-json-stable-stringify provides a deterministic, faster alternative to JSON.stringify(), producing consistent JSON string output for the same object. It supports custom key comparison (opts.cmp) and can optionally handle circular references (opts.cycles) with a __cycle__ marker.
The repository appears not to be actively maintained, with the last upstream push on 2023-07-03, and no recent updates since 2019 (relative to 2026-09-10, this is a long gap).
Last release:
fast-glob is a fast glob library for Node.js, useful for traversing the filesystem and returning pathnames that match Unix Bash-style wildcard patterns (with some simplifications). It provides async (Promise), synchronous, and stream APIs, and can apply multiple and negative patterns. Results are returned in arbitrary order.
Actively maintained: Evidence suggests continued development, with an upstream GitHub push on 2026-09-08 (recent enough to indicate the repo is not dormant).
Last release:
fast-deep-equal is a JavaScript library for fast deep equality checks, including value-based comparison for Date and RegExp. It also provides ES6 variants that support Map, Set, and typed arrays, and includes options aimed at comparing React elements.
Maintenance status: The most recent upstream push is 2023-10-05, but the latest published updates in the provided history are from 2020-06-08, so as of 2026-09-10 this source appears quiet, with no clear recent release cadence.
Last release:
extend-shallow is a Node.js/JavaScript utility that extends object A with the properties of object B and additional objects. It is useful for merging plain objects, including cloning into an empty object with shallow property copying.
Maintenance status: Appears largely dormant/maintenance mode. The latest available package updates shown are from 2017, and the last upstream push is 2021-08-07, with no evidence of recent active development as of 2026-09-10.
Last release:
estree-walker is a small JavaScript utility for traversing an ESTree-compliant AST, such as one generated by acorn. It provides enter and leave visitor hooks for inspecting, skipping child traversal, replacing nodes, or removing nodes. The package is deprecated, with zimmerframe recommended as the alternative.
The repo appears to be intermittently developed, with an upstream push recorded on 2025-09-07, but the newest published tagged update shown here is v3.0.3 on 2023-01-20, so overall maintenance looks quiet relative to today (2026-09-10).
Last release:
estree-util-visit is an esast and estree utility that helps you walk a JavaScript AST, using a depth-first traversal with access to ancestor information. It’s useful for processing or transforming JavaScript AST nodes, with visitor hooks for entering and leaving nodes and actions to continue, skip children, or exit traversal.
Maintenance status: Appears quiet/dormant. The last upstream push and the newest documented update (2.0.0) are from 2023-07-19, which is over 3 years ago relative to 2026-09-10.
Last release:
estree-util-to-js is a utility that serializes an estree syntax tree into a string of JavaScript, optionally returning source maps. It is useful when you need to generate JavaScript output from a syntax tree, including cases where you integrate with tools that do not support syntax trees.
The source appears quiet/dormant, with the most recent upstream push on 2023-07-31, which is over three years ago relative to 2026-09-10.
Last release:
estree-util-scope is an ESM-only JavaScript utility for walking an ESTree AST and tracking what identifiers are defined in each scope. It’s useful if you want to inspect scope definitions while traversing code, returning scope info like which scope is currently active and which names are defined.
The source appears actively maintained, with a very recent update on 2026-08-25 (1.0.1), just 2 days before today (2026-08-27).
Last release:
estree-util-is-identifier-name is a small JavaScript utility that checks whether a value can be used as an ECMAScript identifier name. It also provides helpers to test whether a code point can start an identifier or continue one, useful when generating IDs from strings or validating identifier text.
Maintenance status: The most recent upstream push and package update was 2023-07-19, so as of 2026-09-10 the project appears quiet/dormant rather than actively maintained.
Last release:
estree-util-build-jsx transforms JSX nodes embedded in an estree (JavaScript) syntax tree into function calls, for example converting `<x />` into `h('x')`. It is useful when you already have a syntax tree and only need to compile JSX away (supporting runtimes for React, preact, and hyperscript-style interfaces).
The upstream repository appears quiet and not actively maintained, with the last upstream push on 2024-08-23 and the most recent published updates in 2023 (none since 2023-10-22), which suggests maintenance mode or at least a long period without active development.
Last release:
estree-util-attach-comments is a utility for attaching comment nodes to the correct nodes in an ESTree syntax tree. It takes a tree plus an array of comments (with leading and trailing fields) and mutates the tree so tools like recast or Babel can print or process comments that would otherwise be separate.
This source appears effectively dormant, with the last upstream push on 2023-07-31 and no evidence of active updates since then, so it is not actively maintained as of 2026-09-10.
Last release:
Estraverse provides ECMAScript JavaScript AST traversal functions, letting you walk and optionally modify an AST (including replacing nodes during traversal). It is useful for tasks like collecting information from specific node types and customizing traversal behavior for known and unknown nodes.
Maintenance status: Evidence suggests the project is quiet/dormant since the last known upstream activity (last upstream push on 2022-04-04), with no new version updates shown in the provided history approaching today (2026-09-10).
Last release:
Esrecurse provides ECMAScript AST recursive traversing functionality, based on an AST recursive visitor. It’s useful for walking an ESTree-style syntax tree and running custom visitor logic for specific node types, including options to customize child traversal and handle unknown nodes via fallback behavior.
Maintenance status: Evidence suggests low ongoing maintenance activity. The most recent tagged update shown is v4.3.0 (2020-08-31), and while there is an upstream push in 2023-03-30, there are no more recent update entries provided leading up to today (2026-09-10), so the repo appears quiet or in maintenance mode.
Last release:
ESQuery is a JavaScript library for querying an Esprima-generated ECMAScript AST using a CSS-style selector syntax. It is useful for finding AST nodes that match patterns, such as node types, nested fields, and selector-based relationships like parent-child and sibling combinators.
Maintenance status: The source is not clearly actively maintained, with the most recent tagged update being v1.6.0 on 2024-07-08, and no later tagged updates shown, despite an upstream push on 2025-12-31 (which does not, by itself, confirm a new published update).
Last release:
ESLint JS is a monorepo for JavaScript language tools, containing packages like espree, eslint-scope, and eslint-visitor-keys. It is useful when you need underlying JS parsing and analysis components that support ESLint-related tooling.
Actively maintained: The upstream eslint/js monorepo shows a very recent push on 2026-09-01, indicating ongoing development activity.
Last release:
`eslint-plugin-react` provides React-specific linting rules for ESLint, helping developers catch common issues and enforce React best practices in JavaScript and JSX code. It includes recommended and other shareable configurations that can be enabled in an ESLint setup.
The source appears to be in maintenance mode or quiet recently: the last observed published update was v7.37.5 on 2025-04-03, and as of 2026-09-10 that is more than a year ago (even though there is an upstream push noted on 2026-07-30, there are no corresponding recent update summaries provided here).
Last release: