some of the changes include: upgrade to Monero v0.18.3.4 point release, polyseed support, removal of moneroworld and Samourai Wallet-operated XMR remote node, removal of in-app donate to developer feature, monerochan disabled by default, tx. fee selection tweaks and other miscellaneous stuff.
consider hopping on codeberg, testing it, commenting open issues, opening new ones.
repository: https://codeberg.org/anoncontributorxmr/mysu/
seems nice, take my star