@losh11 Would you have a look at and merge Cherry pick fixes for witness item limit by zhenyuzhaocb · Pull Request #25 · ltcsuite/ltcd · GitHub?
These are cherry-picks for upstream bug fixes to at wire: increase max witness items per input by ellemouton · Pull Request #1907 · btcsuite/btcd · GitHub and wire: remove erroneous witness size check in wire parsing by Roasbeef · Pull Request #1896 · btcsuite/btcd · GitHub
ltcd, ltcwallet, and neutrino are presently broken as on Litecoin mainnet there are transactions that hit the buggy checks. e.g.
MsgTx.BtcDecode: too many witness items to fit into max message size [count 500003, max 500000]