Enhance Ability
You touch a creature and choose Strength, Dexterity, Intelligence, Wisdom, or Charisma. For the duration, the target has Advantage on ability checks using the chosen ability.
Using a Higher-Level Spell Slot. You can target one additional creature for each spell slot level above 2. You can choose a different ability for each target.
Enhance Ability 5e 2024 vs. 2014 edition differences
The 2024 version allows choosing any ability score with Advantage on checks, while the 2014 version grants a specific effect based on the chosen ability. The 2024 version explicitly states "up to 1 hour" duration; the 2014 version's duration is fixed at 1 hour. The 2024 version adds classes (ranger, wizard) that can cast it; the 2014 version does not.