Due to covid-19. Many muslim nations have encouraged to pray at home. Kuwait changed the words of azaan. They further claim that this happened at the time of Rasoollah (S.A.W) which is why they (kuwaiti’s made the amends). Is it true?

https://muslimmatters.org/2020/03/13/adhan-to-pray-in-your-homes-during-times-of-hardship/


http://www.theonlyquran.com/hadith/Sahih-Muslim/?volume=4&chapter=97

Here are the two links

There is a narration in Bukhari and Muslim books about it. Hence, they are applying it.