The Angular team has dropped Angular 3 and proceeded with Angular 4 as they have decided to follow semantic versioning. This helps standardize the version for major, minor, and patch releases. The semantic version will have three segments in the version numbering. Any breaking change in syntax or concept will be considered as major and the first segment version number will be incremented. Any new features added will be considered as minor and the second segment version number will be incremented, and for any bug fixes, the third segment version number will be incremented, considering them as patch: