Thunderclap
Each creature in a 5-foot Emanation originating from you must succeed on a Constitution saving throw or take 1d6 Thunder damage. The spell's thunderous sound can be heard up to 100 feet away.
Cantrip Upgrade. The damage increases by 1d6 when you reach levels 5 (2d6), 11 (3d6), and 17 (4d6).
Thunderclap 5.5e 2024 vs. 5e 2014 edition differences
The 2024 version specifies a 5-foot emanation from you, affecting creatures within that radius, whereas the 2014 version affects creatures within range (unspecified). The damage and upgrade thresholds are essentially the same.