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--- layout: page title: Upgrade Guide --- #### Migration from v2.4.x The first step to migrate AdminLTE v2.4.x to v3.0 is upgrade the Bootstrap 3 base code to Bootstrap 4, the full instruction [here](https://getbootstrap.com/docs/4.4/migration/) after you upgraded the base code you need to update the markups. #### CSS / JS Files Since AdminLTE v3.0 Bootstrap 4 is complete included in AdminLTE's CSS file. You will not need to load the Bootstrap CSS file `bootstrap(.min).css`, but you will need the Bootstrap JS file `bootstrap(.min).js`. ##### Main Header The biggest change in Main Header is the Logo is moved to Main Sidebar and the Main Header has now color variations, here are all changes: 1. Logo - `<a href="index2.html" class="logo">` moved & rebuild to `.brand-link` inside `.main-sidebar` 2. Header / Nav - `<header class="main-header">` & `<nav class="navbar navbar-static-top">` merged with `<nav class="main-header navbar navbar-expand navbar-white navbar-light">` 3. Sidebar Toggle / Left Navbar - `<a href="#" class="sidebar-toggle" data-toggle="push-menu" role="button"><span class="sr-only">Toggle navigation</span></a>` replaced with `<ul class="navbar-nav"><li class="nav-item"><a class="nav-link" data-widget="pushmenu" href="#"><i class="fas fa-bars"></i></a></li></ul>` 3. Right Navbar - `<div class="navbar-custom-menu">` & `<ul class="nav navbar-nav">` merged with `<ul class="navbar-nav ml-auto">` ##### Main Sidebar Like above the biggest change is the Main Sidebar contains now the Logo and the sidebar has now color variations, here all changes: 1. Main Sidebar Color - `<aside class="main-sidebar">` replaced with `<aside class="main-sidebar sidebar-dark-primary">` 2. Logo / Brand Link - `<a href="index3.html" class="brand-link"><img src="dist/img/AdminLTELogo.png" alt="AdminLTE Logo" class="brand-image img-circle elevation-3" style="opacity: .8"><span class="brand-text font-weight-light">AdminLTE 3</span></a>` replaces the old logo 3. Sidebar - `<section class="sidebar">` replaced with `<div class="sidebar">` 4. User Panel - `<div class="user-panel"><div class="pull-left image"><img src="dist/img/user2-160x160.jpg" class="img-circle" alt="User Image"></div><div class="pull-left info"><p>Alexander Pierce</p><a href="#"><i class="fa fa-circle text-success"></i> Online</a></div></div>` replaced with `<div class="user-panel mt-3 pb-3 mb-3 d-flex"><div class="image"><img src="dist/img/user2-160x160.jpg" class="img-circle elevation-2" alt="User Image"></div><div class="info"><a href="#" class="d-block">Alexander Pierce</a></div></div>` 5. Sidebar Menu - `<nav class="mt-2">` now around `<ul class="sidebar-menu" data-widget="tree">` - `<ul class="sidebar-menu" data-widget="tree">` replaced with `<ul class="nav nav-pills nav-sidebar flex-column" data-widget="treeview" role="menu">` - `<li class="header">` repalced with `<li class="nav-header">` - `<li>` need a new class `.nav-item` - `<li> <a>` need a new class `.nav-link` - `<li> <a> <i>` need a new class `.nav-icon` - `<li> <a> <span>` replaced with `<p>` - `<span class="pull-right-container">` removed - `<i class="fa fa-angle-left pull-right"></i>` replaced with `<i class="right fas fa-angle-left"></i>` - `<small class="label pull-right bg-green">new</small>` replaced with `<span class="right badge badge-danger">New</span>` - `<li> <ul class="treeview-menu">` replaced with `<ul class="nav nav-treeview">` <div class="row"> <div class="col-md-6" markdown="1"> Old sample entry ```html <li> <a href="pages/widgets.html"> <i class="fa fa-th"></i> <span>Widgets</span> <span class="pull-right-container"> <small class="label pull-right bg-green">new</small> </span> </a> </li> ``` </div> <div class="col-md-6" markdown="1"> New sample entry ```html <li class="nav-item"> <a href="pages/widgets.html" class="nav-link"> <i class="nav-icon fas fa-th"></i> <p> Widgets <span class="right badge badge-danger">New</span> </p> </a> </li> ``` </div> </div> <div class="row"> <div class="col-md-6" markdown="1"> Old sample entry (with tree menu) ```html <li class="treeview"> <a href="#"> <i class="fa fa-dashboard"></i> <span>Dashboard</span> <span class="pull-right-container"> <i class="fa fa-angle-left pull-right"></i> </span> </a> <ul class="treeview-menu"> <li class="active"><a href="index.html"> <i class="fa fa-circle-o"></i> Dashboard v1</a> </li> </ul> </li> ``` </div> <div class="col-md-6" markdown="1"> New sample entry (with tree menu) ```html <li class="nav-item"> <a href="#" class="nav-link"> <i class="nav-icon fas fa-tachometer-alt"></i> <p> Dashboard <i class="right fas fa-angle-left"></i> </p> </a> <ul class="nav nav-treeview"> <li class="nav-item"> <a href="index.html" class="nav-link active"> <i class="far fa-circle nav-icon"></i> <p>Dashboard v1</p> </a> </li> </ul> </li> ``` </div> </div> ##### Content Header The biggest change in content header is AdminLTE use here now `.container-fluid`, `.row` & `.col-*` and the breadcrumb markup changed, here are all changes: - `<section class="content-header">` replaced with `<div class="content-header">` - `<div class="container-fluid">` added in `<div class="content-header">` - `<h1>` & `<ol class="breadcrumb">` rebuild in `<div class="row">` & `<div class="col-sm-6">` - `<h1>` replaced with `<h1 class="m-0 text-dark">` - `<ol class="breadcrumb">` need new class `.float-sm-right` - `<ol class="breadcrumb"> <li>` need new class `.breadcrumb-item` <div class="row"> <div class="col-md-6" markdown="1"> Old Content Header Markup ```html <section class="content-header"> <h1> Dashboard <small>Control panel</small> </h1> <ol class="breadcrumb"> <li><a href="#"><i class="fa fa-dashboard"></i> Home</a></li> <li class="active">Dashboard</li> </ol> </section> ``` </div> <div class="col-md-6" markdown="1"> New Content Header Markup ```html <div class="content-header"> <div class="container-fluid"> <div class="row mb-2"> <div class="col-sm-6"> <h1 class="m-0 text-dark"> Dashboard <small>Control panel</small> </h1> </div> <div class="col-sm-6"> <ol class="breadcrumb float-sm-right"> <li class="breadcrumb-item"><a href="#">Home</a></li> <li class="breadcrumb-item active">Dashboard v1</li> </ol> </div> </div> </div> </div> ``` </div> </div> ##### Content The content has no change, we only split `<section class="content container-fluid">` in two elements: - `<section class="content">` - `<div class="container-fluid">` ##### Footer The footer has only one little change for the right sided div. - `<div class="pull-right hidden-xs">` changed to `<div class="float-right d-none d-sm-inline">` ##### Miscellaneous Here are some other little css/html changes since v3.0: - `.label` renamed to `.badge` ##### JavaScript Plugins Here are some other little JavaScript changes since v3.0: - `data-toggle="*"` renamed to `data-widget="*"` instead of CardWidget items - for CardWidget it's now `data-card-widget="*"`