For more detailed release notes, see Firebase JavaScript SDK Release Notes.
fb5d422 #8839 - Adding Persistence.COOKIE a new persistence method backed by cookies. The
browserCookiePersistence implementation is designed to be used in conjunction with middleware that
ensures both your front and backend authentication state remains synchronized.fb5d422 #8839 - Adding Persistence.COOKIE a new persistence method backed by cookies. The
browserCookiePersistence implementation is designed to be used in conjunction with middleware that
ensures both your front and backend authentication state remains synchronized.fb5d422, 648de84, edb4001, faaeb48]:fb5d422]:Fetched May 1, 2026