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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.
RxJS is a reactive programming library for JavaScript, built around Observable values for composing asynchronous and event-based programs. The RxJS 9 work described here targets a platform-based Observable approach, using the native web Observable when available and providing fallbacks when needed. It is useful for developers building reactive streams and for teams planning to evaluate or migrate toward the RxJS 9 API and environment behavior.
Actively maintained: The upstream repo shows a recent push on 2026-08-08, and the most recent recorded updates are RxJS 9.0.0-beta.0 on 2026-08-04, indicating ongoing development rather than maintenance mode.
Last release:
Rollup is a next-generation JavaScript module bundler that compiles ES module code into a larger output suitable for building libraries or applications. It helps optimize ES modules for faster native loading in modern browsers and can also output legacy formats like CommonJS, AMD, and IIFE, including tree shaking to exclude unused imported code.
Actively maintained, with an upstream push and an update on 2026-11-04.
Last release:
Rimraf is a Node.js cross-platform implementation of the UNIX `rm -rf` command, for aggressively and recursively deleting files and directories. It provides async and synchronous APIs, supports options like path filtering and abort signals, and includes platform-specific strategies (including Windows handling).
The source is actively maintained, with an upstream push and v6.1.4 update on November 3, 2026.
Last release:
rfdc (Really Fast Deep Clone) is a JavaScript deep cloning utility. It copies JSON-like values and also has optional support for prototype properties, circular references, and custom cloning for specific constructor classes.
The upstream repository shows an activity signal (last upstream push on 2026-03-19), but the last published updates in the provided release data are from 2024-06 (v1.4.1), so recent published changes have been quiet.
Last release:
A Node.js JavaScript library that tokenizes strings that represent regular expressions into a structured token format (including roots, groups, character sets, ranges, repetitions, and positions). It is useful for analyzing a regex string or converting it into tokens that can later be used to reconstruct parts of the original pattern.
The source is currently active, with updates on October 17, 25, and 30, 2026, and an upstream push on October 30.
Last release:
responselike provides a response-like object for mocking a Node.js HTTP response stream. It creates a streamable response with status code, headers, body, and URL, which is useful for formatting cached responses so code that expects a real Node.js HTTP response can consume them.
Actively maintained: The repo shows recent tagged updates in October 2025 (v4.0.0 to v4.0.2), indicating ongoing maintenance at least through that period.
Last release:
resolve-cwd resolves the filesystem path of a module similarly to Node.js require.resolve(), but it resolves relative to the current working directory instead of the calling file. It is useful when you need to locate a module ID from the process.cwd(), with options that either throw or return undefined if the module cannot be found.
The repository appears not to be actively maintained, with the last upstream push on 2021-01-23 and no updates since the 2021 timeframe, so it is best characterized as quiet or dormant relative to today (2026-08-12).
Last release:
resolve-alpn is a Node.js utility that detects which ALPN protocol a server negotiates during a TLS connection. It exposes a resolveALPN API that returns an alpnProtocol value (and can optionally return the underlying socket) and is useful for verifying HTTP/2, HTTP/1.1, or other negotiated application protocols.
Maintenance status: The repository appears quiet/dormant. The most recent upstream push and latest published update are from 2021-08-30, with no evidence of further updates since then.
Last release:
`reserved` is a JavaScript utility that lists ECMAScript reserved words that should not be used as variables, functions, methods, or object identifiers. It is useful for validating or filtering identifier names in development tools, linters, or code generators.
A JavaScript module that parses a string input as a regular expression and returns the resulting RegExp value. Useful when you need to turn regex text (for example, "/^hi$/g") into an executable regular expression in code.
Maintenance status: The repository appears quiet/dormant, with the last upstream push and recent tagged update both on 2025-02-14, which is about 1.5 years ago relative to 2026-08-13.
Last release:
Prototype for a Metadata Reflection API for ECMAScript, exposed as the `reflect-metadata` package. Useful for projects using TypeScript legacy `--experimentalDecorators` to store and read metadata through an augmented global `Reflect` object, including `defineMetadata`, `getMetadata`, and related helpers. It also provides a “lite” build without internal polyfills.
The repository appears to be largely dormant, with the last upstream push on 2024-03-29 and the most recent published package updates dating to 2023-12 (v0.2.1 on 2023-12-14). This suggests it is not actively maintained today (2026-08-12).
Last release:
real-require is a small Node.js helper that provides drop-in functions (realRequire and realImport) to keep require and import behavior consistent after bundling or transpiling. It is useful when build tools change native require or await import calls, and its realRequire support currently targets webpack by using the __non_webpack__require__ implementation for the final bundle.
Active maintenance: Yes, there is evidence of recent activity (upstream push and v1.0.0 on 2026-03-14). That is within about 5 months of today (2026-08-12), so it does not appear dormant.
Last release:
readable-stream provides Node core streams implementations for use in userland. It mirrors the streams from specific Node versions, so you can keep a stable streams base across different Node releases and browsers by using readable-stream instead of Node’s built-in stream module.
Active maintenance: The repo shows recent activity (upstream push on 2026-10-08, plus a corresponding v4.8.0 update on 2026-10-08), indicating it is still maintained rather than dormant.
Last release:
quick-format-unescaped formats values into a printf-like string (for example, using placeholders like %s, %j, and %d). It is useful when you need to embed formatted output into another string and escape the whole string, and it supports a custom stringify option. By default it uses JSON.stringify instead of util.inspect, so functions will not be serialized.
Maintenance status: This GitHub source appears quiet/dormant, with the most recent upstream push on 2022-03-19 and the latest listed update v4.0.4 on 2021-09-21 (several years ago relative to 2026-08-12).
Last release:
pump is a small Node module that pipes multiple streams together and ensures they are all destroyed if one of them closes or errors. It helps when standard `source.pipe(dest)` does not destroy the source on destination close and when you want a callback when the piping finishes.
Actively maintained, with the most recent upstream push and npm update on 2026-02-28, and no long multi-year gaps indicated by the visible history.
Last release:
node-promise-retry retries an asynchronous function that returns a promise until it succeeds or fails with an error. It uses the retry module to handle retry timing and supports conditional retries based on the error, with options like retries count, exponential backoff factor, and timeout bounds.
Maintenance status: The source appears quiet/dormant in practice, with the latest published updates shown as v2.0.1 on 2020-06-14, while the most recent upstream push evidence is 2022-12-30 (no newer published updates are listed).
Last release:
process-warning is a small utility for generating consistent Node.js warning objects across a codebase and emitting them in a controlled way. It includes helpers like createWarning and createDeprecation, and it can ensure a warning is issued only once (unless configured otherwise).
Actively maintained, with very recent upstream activity (last push 2026-10-10) and a maintenance-focused update released the same day (v5.1.1).
Last release:
The process-nextick-args package provides a nextTick helper that always supports passing arguments to process.nextTick. It is useful when you want callback parameters (for example, function(a, b, c) with extra values) to work consistently across platforms.
Maintenance status: Not actively maintained, last upstream push was 2019-06-19, and no evidence shows ongoing development since then (so it is effectively quiet/dormant as of 2026-08-13).
Last release: