# Unreleased - [fixed] Fixed an issue that caused `.info/serverTimeOffset` events not to fire (#2043). - [changed] Treat `ns` url query parameter as the default Realtime Database namespace name. # 6.3.4 - [fixed] Fixed an issue where multi-byte UTF-8 characters would not be written correctly when using `firebase.js` or `firebase-database.js` (#2035). # 6.0.0 - [changed] Improved consistency between the type annotations for `Query.on`/`Reference.on`, `Query.off`/`Reference.off` and `Query.once`/`Reference.once` (#1188, #1204).