Why?
Mutiny Wallet to Shut Down at the End of the Year
Mutiny Wallet will be phased out over the next few months, with the final cut-off date at the end of the year. Users wishing to continue using the wallet will need to self-host it.
https://www.nobsbitcoin.com/mutiny-wallet-to-shut-down-at-the-end-of-the-year/