Rename SMSG_GUILD_BANK_QUERY_TEXT_RESULTS and SMSG_GUILD_BANK_LOG_QUERY_RESULTS to TC names (with S)
4.3.4 new opcodes

rename SMSG_UNKNOWN_1240 to SMSG_FORCE_ANIM
swap SMSG_AUCTION_BIDDER_LIST_RESULT and SMSG_AUCTION_LIST_RESULT
SMSG_FORCEACTIONSHOW, SMSG_RESURRECT_FAILED
Rename CMSG_REQUEST_HONOR_STATS to CMSG_INSPECT_HONOR_STATS
Rename MSG_MOVE_UPDATE_FLIGHT_SPEED to SMSG_MOVE_UPDATE_FLIGHT_SPEED
4.3.4 rename MSG_GUILD_PERMISSIONS to CMSG_GUILD_PERMISSIONS
Rename SMSG_GUILD_EVENT_LOG_QUERY to SMSG_GUILD_EVENT_LOG_QUERY_RESULT
Rename MSG_MOVE_UPDATE_RUN_SPEED to SMSG_MOVE_UPDATE_RUN_SPEED
Rename MSG_MOVE_UPDATE_TELEPORT to SMSG_MOVE_UPDATE_TELEPORT
4.3.4 SMSG_MEETINGSTONE_COMPLETE shoul be SMSG_SHOW_MAILBOX
Rename SMSG_MEETINGSTONE_COMPLETE to SMSG_SHOW_MAILBOX in other 4.x versions
4.3.4 Rename CMSG_DUNGEON_FINDER_GET_SYSTEM_INFO to CMSG_LFG_LOCK_INFO_REQUEST + handler
Rename CMSG_REQUEST_GUILD_PARTY_STATE to CMSG_GUILD_REQUEST_PARTY_STATE
Rename SMSG_UPDATE_ITEM_ENCHANTMENTS to SMSG_SOCKET_GEMS_RESULT and CMSG_DELETEEQUIPMENT_SET to CMSG_EQUIPMENT_SET_DELETE to match TC names
Rename CMSG_GUILD_INVITE_BY_NAME to CMSG_GUILD_INVITE
visibile -> visible
Move 4.3.4 guild related handlers to the 4.3.4 module
Update ItemFlagExtra.cs

Source: TC
Move 4.3.4 BGHandlers to the 4.3.4 module
4.3.4 Name some fields of SMSG_RATED_BG_STATS
Write correct entry type in HandleQuestNpcQueryResponse