This topic provides an overview of the features that are included in Edition 2023. Each subsequent edition’s features will be added to this topic. We announce new editions in the News section. Prototiller Prototiller is a command-line tool that converts proto2 and proto3 definition files to Editions syntax. It hasn’t been released yet, but is referenced throughout this topic. Features The following sections include all of the behaviors that are configurable using features in Edition 2023.