Tracking was enhanced, you will now be able to constantly track certain type of players around you. Only 1 type can be tracked at all time. The range will depend on the trackers tracking skill.
Taste Identification will enhance your PVM regeneration bonus. Hunger status can be obtained by clicking yourself once and using the right context menu option.
Forensic Evaluation Increases the amount of resources you will obtain from carving . It will also increase the power of Bandages.
Mining will increase the damage dealt with BASHING weapons (similar to the Lumberjacking/axes damage bonus).
Herding will increase the melee damage done by your creatures.
Spirit Speak will increase the base statistics, health, damage, amount of abilities and duration of your summons.
Detecting Hidden will passively attempt to reveal surrounding hidden players and dungeon chests if you have more than 80.0 detecting hidden.
Arms Lore will increase your chance of triggering a weapon mastery
PVM ability.