Cryptocurrency industry is actively developing and a lot of blockchains appear which are faster and has lower commissions that Ethereum blockchain.
Such blockchians offer developers more opportunities that is why they are used more often and becomes more popular.
Because of big commissions in Ethereum blockchain more and more developers now are looking for the opportunites of othere blockchains that are faster, cheaper and allow to make cross-chain transactions.
Now actively developing the blockchains that allow to make cross-chain transactions.
For example many peojects use Solana blockchain which allow to connect Ethereum blockchain with other blockchains.