- :art: when improving the format/structure of the code - :rocket: when improving performance - :pencil2: when writing docs - :bulb: new idea - :construction: work in progress - :heavy_plus_sign: when adding feature - :heavy_minus_sign: when removing feature - :speaker: when adding logging - :mute: when reducing logging - :bug: when fixing a bug - :white_check_mark: when adding tests - :lock: when dealing with security - :arrow_up: when upgrading dependencies - :arrow_down: when downgrading dependencies