Vue.js v2.6 is required, v2.6.12 is recommended Bootstrap v4.3.1 is required, v4.6.1 is recommended Popper.js v1.16 is required for dropdowns (and components based on dropdown), tooltips, and popovers. v1.16.1 is recommended PortalVue v2.1 is required by Toasts, v2.1.7 is recommended jQuery is not required Check out what is new in BootstrapVue release v2.23.0. If you are migrating from a previous