At 1 am on April 27th, Apple officially pushed the official version of iOS 14.5 system update. This time, iOS 14.5 has undergone a total of 10 beta version updates. It is currently the most beta version of all versions of the iOS system. There will also be beta push withdrawals during the period. The time span of the beta version is from February 5th beta 1 to 4 RC version on the 22nd. What updates have been brought about in 14.5 this time?