"Vue 2 will receive a final minor release (2.7) in 2022. This minor release will backport a selected subset of new features from Vue 3. After that, Vue 2 will enter maintenance mode: it will no longer ship new features, but will continue to receive critical bug fixes and security updates for another 18 months."
Please upgrade from Vue.js 2 to Vue.js 3 library.
Vue 3 Migration Guide
"Vue 2 will receive a final minor release (2.7) in 2022. This minor release will backport a selected subset of new features from Vue 3. After that, Vue 2 will enter maintenance mode: it will no longer ship new features, but will continue to receive critical bug fixes and security updates for another 18 months."