• (client) Add new support SignTransaction()/SendSignedTransaction()
• (cmd) Improve txgen command
• (trie/ompt) Fix undesirable slice allocation in ompt RLP encoder
• (service) Enhance parallel execution logics
• (server) Apply websocket read limit bytes
• (javaee) Check if readonly methods have a non-void return type
• (block) Reject block with invalid votes or erroneous input
• (btp) Reject erroneous input