yii2-bootstrap5/docs/guide/migrating-yii2-bootstrap.md

Migrating from yii2-bootstrap

yii2-bootstrap5 is a major rewrite of the entire project (according Bootstrap 5 to Bootstrap 4 migration guide). The most notable changes are summarized below:

General

• The namespace is yii\bootstrap5 instead of yii\bootstrap4

Widgets / Classes

BaseHtml

ActiveField

ActiveForm

Breadcrumbs

ButtonDropdown

ButtonToolbar

Carousel

LinkPager

Modal

Nav

NavBar

Tabs

ToggleButtonGroup