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npm · #4323 most downloaded on npm
The App Check component of the Firebase JS SDK
Last release 3 days ago
01 Oct 2026
Ships fairly regularly
a new release about every 3 weeks
Nearly every release is documented
notes for 60 of the last 60 stable releases
Nothing withdrawn
no release was ever pulled
5 years old
1704 releases · first in 2021
One column per quarter.
`d80fb9a` #10262 - Updated App Check debug token log message to include Firebase CLI commands, Firebase Console registration link, and debug token gui
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`177f08d` #10210 - Remove ability to call initializeAppCheck without a provider.
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`420156e` #10023 - Add ability to call initializeAppCheck without a provider. If no provider is passed to initializeAppCheck, App Check will attempt t
420156e #10023 - Add ability to call initializeAppCheck without a provider. If no provider is passed to initializeAppCheck, App Check will attempt to initialize with a ReCaptchaEnterpriseProvider using the site key found in the recaptchaSiteKey field of the Firebase project config.Nothing published for this version
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`d675580` #9987 - Fix a bug where getLimitedUseToken() did not correctly get a limited use token because it did not send the limited_use param.
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`8e384c9` #9883 - Updated dependencies.
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Updated dependencies [`2f7f426`]:
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`25b60fd` #9128 - Update node "engines" version to a minimum of Node 20.
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