Judging from the new public beta, apple continues to focus on the changes to the main interface. The starting point is still to integrate more information, so that users can avoid searching for easily accessible information in secondary pages or related applications. In addition, IOS 14.2 continues to improve the problem of the system. As for the bug repair, there is no definite message. After all, IOS 14 is relatively stable on the whole. < / P > < p > according to the information currently displayed, IOS 14.2 redesigns the audio card of the control center. The new page merges the page of broadcast control and loudspeaker with TV. A new control option is set at the bottom to display other controllable speakers and TV under the current Wi Fi environment separately. < / P > < p > another adjustment is IOS 14.2 add the music recognition function to the control center. After pressing the button, the microphone will be turned on to listen to the music melody of the surrounding environment. If the recognition is successful, the center will be informed that a banner will pop up. < / P > < p > it is reported that according to the latest statistics, more than 25% of devices have been updated to IOS 14, which is much faster than IOS 13. This also shows that IOS 14 is still more recognized by users. Spontaneous combustion at a Guangzhou Motor vehicle intersection and other traffic lights in Shenzhen