I have to enable Do Not Disturb mode myself before starting a recording. Otherwise there might be a notification while recording which would create a loud noise in the recording. Back in December the phone automatically went into vibration mode when starting a recording. Which silences sounds, but the vibration motor still interrupts the recording. With recent updates this auto-vibration mode is gone and nothing is done to prevent sounds from the phone itself.
My proposal to support was to automatically enable DND (Do Not Distrub). Why DND? Because that gives the user control over which notification may be passed through and under which conditions. Simply putting the phone on silent would do the trick too, but if someone important to me calls, I prioritize that call over a long video recording. This can be fine-tuned in DND to someones liking. Either silence all calls/notifications, or just let through calendar reminders, specific contacts or repeating callers, etc.
This topic is to keep a record of the communication with support