• Fixes a bug where the Functions emulator ignored the "host" configuration (#1722)
• Fixes a bug where the Functions emulator accepted requests to too many paths (#1773)
• Modifies firebase ext:update to not perform update if the extension is already up to date.
• Print Firebase Console links for Extensions after operations.
• Updated Firebase Extensions registry address.
• Adds the firebase init emulators command.
• Adds a Cloud Pub/Sub Emulator (#1748).
• Fixes a bug where the Firestore emulator was unable to serve rule coverage HTML reports.
• Fixes a bug in the Firestore emulator where rapidly overwriting the same document could trigger exceptions.