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Compatibility utilities for ESLint

Drop-in replacement for Nodes http and https that transparently make http request to both http1 / http2 server, it's using the ALPN protocol

Browser compatibility data provided by MDN Web Docs

HTML Support feature for CKEditor 5.

Compatibility layer for TSLint rules

For libraries that want to include log4js for logging, but don't want to introduce version conflicts for users that also use log4js. Delegates to whatever log4js version can be found, but does not introduce a specific log4js version.

Deal with vinyl file contents, regardless of whether it is Buffer/Stream

A React compatibility layer for Preact

Retrieve all Leaflet Default Icon options from CSS, in particular all icon images URL's, to improve compatibility with bundlers and frameworks that modify URL's in CSS.

Express compatibility layer for Fastify

JSON Schema tools are now being written for v4 of the draft, but v3 schemas still exist out in the wild.

Configuration migration for ESLint

The compatibility build of lodash modular utilities.

library to bring Web App Manifest contents to non-compliant browsers

webhint's recommended hints configuration for live websites

The linting tool for the web

Lint CSS for email support against caniemail database.

Apollo Federation Subgraph Compatibility tests

A CLI tool for checking a subgraph's compatibility with a federated gateway

Compatibility functions for writing libraries that support synchronous, callback and promise signatures