• [iris] Add more log for all modules
• [iris] Add more promethus metrics
• [iris] Close all unclosed iterators
• [iris] Add invariant check level configuration in iris.toml
• [iriscli] Improve error message for gov module
• [irislcd] Upgrade swagger-ui to 3.0 which can support dynamic query parameters
• [iristool] Remove monitor command
• [tendermint] Improve tx search to handle huge search result
• [doc] Improve slashing document