babel-preset-stage-1 is a Babel preset that enables ECMAScript features currently in Stage 1 of the TC39 standardization process. Stage 1 proposals are considered "feature proposals" and still require significant refinement. Including this preset allows developers to experiment with these cutting-edge features in their code before they are widely adopted or finalized, understanding that the features may change or be dropped. Use with caution, as compatibility and stability are not guaranteed.