As we know Google I/O is scheduled for May 10th, 2023. According to a report by 9to5Google, Android smartphones will finally have a separate volume control for calls and notifications. & Some sources saying Google is working to bring a separate volume control for calls and notifications.
As per the report, Google has implemented an ADB command back in December 2022. The command separates ring volume and notification volume sliders in the Settings > Sound & vibration menu.
The command is following:
adb shell device_config put systemui volume_separate_notification true
The tech giants commented about this development under a feature request added to the issue tracker. Google replied to the issue with the ‘fixed’ comment. That means Android users can expect separate volume and ringtone sliders with an upcoming Android version.