When iPhone is not in focus mode, it will also mute relevant notifications?

Apple Mobile can be said to be the eldest brother in the high-end mobile phone market. Although it is popular with many users because of its powerful performance and innovative design, Apple Mobile has been exposed to various bug problems since its official launch. Isn't it that Apple has recently been exposed to a bug, and the iPhone will also mute relevant notifications when it is not in focus mode? You can have a look at the relevant introduction.

When iPhone is not in focus mode, it will also mute relevant notifications

According to the 9to5Mac report of foreign technology media, a person used  Users of iPhone 14 Pro Max (running iOS 16.0.3) reported in the Reddit community that the notification will be muted even if the "Focus Mode" is not turned on.

According to the user comments in the post, various models running iOS 15 and iOS 16  iPhone  I have encountered this problem in the past. The user said that sometimes reopening and closing the "focus mode" will not cause the above problems, which may cause the user to miss important calls and not see important information in time.

Worse, there is no effective repair method at present. According to the report, the survey of Apple's official support forum, Reddit community and Twitter social network found that many iPhone users have reported this problem.

What's the matter with Apple in recent years? There are a lot of bugs, especially in iOS 16 system. Does everyone's iPhone also mute the relevant notifications without turning on the focus mode? I don't know whether the official will talk about these bug fixes in the update.