Minecraft wiki entry for Bountiful_Update, associated text: 5 new gamerules
logAdminCommands, randomTickSpeed, reducedDebugInfo, sendCommandFeedback and showDeathMessages
5 new statistics
crouchOneCm, sprintOneCm, talkedToVillager, timeSinceDeath and tradedWithVillager
12 new commands
/blockdata, /clone, /entitydata, /execute, /fill, /particle, /replaceitem, /stats, /testforblocks, /title, /trigger and /worldborder
13 new NBT tags
BlockEntityTag, CanDestroy, CanPlaceOn, CommandStats, generation, HideFlags, Lock, NoAI, PickupDelay, rewardExp, SelectedItem, ShowParticles and Silent
Selector @e for targeting entities