# @jbrowse/core > JBrowse 2 core libraries used by plugins Latest version **4.3.0** (published 2026-05-21) · Apache-2.0 license · 0 weekly downloads ## Install ```sh npm install @jbrowse/core pnpm add @jbrowse/core yarn add @jbrowse/core bun add @jbrowse/core ``` ## Health **Score 60/100 (C)** — status: active. Positive: esm support; no vulnerabilities; has provenance; high maintenance score. Warnings: low downloads; no types. ## Facts | | | |---|---| | Version | 4.3.0 | | Published | 2026-05-21 | | First published | 2020-10-13 | | Weekly downloads | 0 | | License | Apache-2.0 | | TypeScript types | none | | Module format | ESM | | Dependencies | 34 | | Unpacked size | 985.9 KB | | Known vulnerabilities | 0 | | Install scripts | no | | Provenance | attested (GitHub Actions) | | GitHub stars | 296 | | Author | JBrowse Team | | Maintainers | garrettjstevens, rbuels, cmdcolin | | Keywords | jbrowse, jbrowse2, bionode, biojs, genomics | ## Links - npm: https://www.npmjs.com/package/@jbrowse/core - Repository: https://github.com/GMOD/jbrowse-components - Homepage: https://jbrowse.org - Issues: https://github.com/GMOD/jbrowse-components/issues - npm.io page: https://npm.io/package/@jbrowse/core ## Dependencies (34) - [idb](https://npm.io/package/idb.md) ^8.0.3 - [mobx](https://npm.io/package/mobx.md) ^6.15.3 - [rxjs](https://npm.io/package/rxjs.md) ^7.8.2 - [deepmerge](https://npm.io/package/deepmerge.md) ^4.3.1 - [dompurify](https://npm.io/package/dompurify.md) ^3.4.2 - [@mui/types](https://npm.io/package/@mui/types.md) ^7.4.12 - [canvas2svg](https://npm.io/package/canvas2svg.md) ^1.0.16 - [mobx-react](https://npm.io/package/mobx-react.md) ^9.2.1 - [@mui/system](https://npm.io/package/@mui/system.md) ^7.3.11 - [detect-node](https://npm.io/package/detect-node.md) ^2.1.0 - [escape-html](https://npm.io/package/escape-html.md) ^1.0.3 - [@jbrowse/jexl](https://npm.io/package/@jbrowse/jexl.md) ^3.0.2 - [@mui/material](https://npm.io/package/@mui/material.md) ^7.3.11 - [file-saver-es](https://npm.io/package/file-saver-es.md) ^2.0.5 - [source-map-js](https://npm.io/package/source-map-js.md) ^1.2.1 - [@emotion/react](https://npm.io/package/@emotion/react.md) ^11.14.0 - [@emotion/utils](https://npm.io/package/@emotion/utils.md) ^1.4.2 - [librpc-web-mod](https://npm.io/package/librpc-web-mod.md) ^2.1.1 - [fast-deep-equal](https://npm.io/package/fast-deep-equal.md) ^3.1.3 - [react-draggable](https://npm.io/package/react-draggable.md) ^4.5.0 - [@leeoniya/ufuzzy](https://npm.io/package/@leeoniya/ufuzzy.md) ^1.0.19 - [@mui/x-data-grid](https://npm.io/package/@mui/x-data-grid.md) ^8.28.2 - [copy-to-clipboard](https://npm.io/package/copy-to-clipboard.md) ^3.3.3 - [@emotion/serialize](https://npm.io/package/@emotion/serialize.md) ^1.3.3 - [@floating-ui/react](https://npm.io/package/@floating-ui/react.md) ^0.27.19 - [@jbrowse/quick-lru](https://npm.io/package/@jbrowse/quick-lru.md) ^7.3.5 - [@mui/icons-material](https://npm.io/package/@mui/icons-material.md) ^7.3.11 - [canvas-sequencer-ts](https://npm.io/package/canvas-sequencer-ts.md) ^3.1.3 - [generic-filehandle2](https://npm.io/package/generic-filehandle2.md) ^2.1.7 - [@types/file-saver-es](https://npm.io/package/@types/file-saver-es.md) ^2.0.3 - [@gmod/bgzf-filehandle](https://npm.io/package/@gmod/bgzf-filehandle.md) ^6.0.19 - [@gmod/http-range-fetcher](https://npm.io/package/@gmod/http-range-fetcher.md) ^5.0.7 - [@jbrowse/mobx-state-tree](https://npm.io/package/@jbrowse/mobx-state-tree.md) ^5.6.0 - [@gmod/abortable-promise-cache](https://npm.io/package/@gmod/abortable-promise-cache.md) ^3.0.4 ## Alternatives - [@opentelemetry/exporter-zipkin](https://npm.io/package/@opentelemetry/exporter-zipkin.md) — 14.8M weekly downloads - [pusher-js](https://npm.io/package/pusher-js.md) — 2.0M weekly downloads - [browserify](https://npm.io/package/browserify.md) — 1.7M weekly downloads - [sqs-consumer](https://npm.io/package/sqs-consumer.md) — 1.7M weekly downloads - [@sanity/eventsource](https://npm.io/package/@sanity/eventsource.md) — 930.8K weekly downloads ## Recent versions - 4.3.0 (latest) — 2026-05-21 - 5.0.0-beta.9 (next) — 2026-09-22 - 5.0.0-beta.8 — 2026-09-10 - 5.0.0-beta.7 — 2026-09-10 - 5.0.0-beta.4 — 2026-09-08 - 5.0.0-beta.3 — 2026-09-08 - 5.0.0-beta.2 — 2026-09-02 - 5.0.0-beta.1 — 2026-08-31 - 4.2.1 — 2026-04-27 - 4.2.0 — 2026-04-16 - 4.1.15 — 2026-04-02 - 4.1.14 — 2026-03-08 - 4.1.13 — 2026-02-19 - 4.1.12 — 2026-02-19 - 4.1.11 — 2026-02-19 - … 138 more at https://npm.io/package/@jbrowse/core/versions ## README # jbrowse-core [![NPM version](https://img.shields.io/npm/v/@jbrowse/core.svg?style=flat-square)](https://npmjs.org/package/@jbrowse/core) Core JBrowse libraries used by most JBrowse plugins. ## Documentation See [docs](docs/README.md) ## Academic Use This package was written with funding from the [NHGRI](http://genome.gov) as part of the [JBrowse](http://jbrowse.org) project. If you use it in an academic project that you publish, please cite the most recent JBrowse paper, which will be linked from [jbrowse.org](http://jbrowse.org). ## License Apache-2.0 © Evolutionary Software Foundation --- _Source: https://npm.io/package/@jbrowse/core · Machine-readable twin of the npm.io package page. Health data is recomputed on every publish._