5.4.2
refactor(console): Class syntax (#3944)
refactor(deployer): Class syntax
perf(filter): shorthand syntax (#4377)
refactor(generator): Class syntax
docs(extend/helper): bring up jsdoc (#4503)
feat(extend/injector): bring up new extend Injector (#4049)
perf(injector): shorthand optimization (#4462)
refactor: Class syntax (#4100)
style: es6 string extensions & destructure (#4357)
perf(tag): rendering optimization (#4418)