NewYour coding agent can read the release notes before it upgrades.Set up the MCP server →
npm · #4157 most downloaded on npm
Firebase JavaScript library for web and Node.js
Last release 3 days ago
01 Oct 2026
Ships on a steady schedule
a new release about every 3 weeks
Nearly every release is documented
notes for 60 of the last 60 stable releases
2 versions withdrawn
withdrawn after publishing
15 years old
4220 releases · first in 2012
Nothing published for this version
Nothing published for this version
Nothing published for this version
One column per quarter.
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
`63caee2a5` #6237 - Bump main package due to minor bumps in auth and database.
874cdbbcc, 9c5c9c36d, dfab18af6, 1ac3c9d41, 9c6808fea]:
As of this version, Internet Explorer 11 is no longer officially supported by the Firebase JavaScript SDK.
Restored idb dependency and increased to the latest version, which supports ESM. This affects Analytics , App Check , Cloud Messaging , Performance Monitoring , and Remote Config . See Github issue #6154 .
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
`e76305a0f` #6191 - Minor version bump to umbrella package to match functions bump.
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Updated dependencies [`e9e5f6b3c`, `05dc9d6a0`, `7a4e65cef`]:
e9e5f6b3c, 05dc9d6a0, 7a4e65cef]:
Fixes an issue where if a websocket protocol was used in the databaseURL , the webSocketOnly field was incorrectly set to undefined. (When using wss or ws protocols in the databaseURL , webSocketOnly is true and long polling is disabled). See Github PR #6126 .
Updated compat typings for Reference methods. See Github issue #6071 .
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Your coding agent can read these notes before it upgrades. Set up the MCP server →