dotnet · vicancy · Aug 11, 2026 · Aug 11, 2026 · Aug 11, 2026 · Aug 11, 2026
diff --git a/templates/default/layout/_master.tmpl b/templates/default/layout/_master.tmpl
@@ -9,7 +9,7 @@
 <html {{#_lang}}lang="{{_lang}}"{{/_lang}}>
   {{>partials/head}}
   {{^redirect_url}}
-  <body data-spy="scroll" data-target="#affix" data-offset="120">
+  <body>
     <div id="wrapper">
       <header>
         {{^_disableNavbar}}

diff --git a/templates/default/partials/affix.tmpl.partial b/templates/default/partials/affix.tmpl.partial
@@ -1,6 +1,6 @@
 {{!Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license.}}
 
-<div class="hidden-sm col-md-2" role="complementary">
+<div class="d-none d-md-block col-md-2" role="complementary">
   <div class="sideaffix">
     {{^_disableContribution}}
     <div class="contribution">
@@ -18,7 +18,7 @@
       </ul>
     </div>
     {{/_disableContribution}}
-    <nav class="bs-docs-sidebar hidden-print hidden-xs hidden-sm affix" id="affix">
+    <nav class="bs-docs-sidebar d-print-none affix" id="affix">
       <h5>{{__global.inThisArticle}}</h5>
       <div></div>
     </nav>

diff --git a/templates/default/partials/breadcrumb.tmpl.partial b/templates/default/partials/breadcrumb.tmpl.partial
@@ -1,6 +1,6 @@
 {{!Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license.}}
 
-<div class="subnav navbar navbar-default">
+<div class="subnav navbar bg-light">
   <div class="container hide-when-search" id="breadcrumb">
     <ul class="breadcrumb">
       <li>{{_tocTitle}}</li>

diff --git a/templates/default/partials/class.tmpl.partial b/templates/default/partials/class.tmpl.partial
@@ -6,12 +6,12 @@
 {{#children}}
 {{^_disableContribution}}
 {{#docurl}}
-<span class="small pull-right mobile-hide">
+<span class="small float-end mobile-hide">
   <span class="divider">|</span>
   <a href="{{docurl}}">{{__global.improveThisDoc}}</a>
 </span>{{/docurl}}
 {{#sourceurl}}
-<span class="small pull-right mobile-hide">
+<span class="small float-end mobile-hide">
   <a href="{{sourceurl}}">{{__global.viewSource}}</a>
 </span>{{/sourceurl}}
 {{/_disableContribution}}

diff --git a/templates/default/partials/collection.tmpl.partial b/templates/default/partials/collection.tmpl.partial
@@ -8,12 +8,12 @@
 {{#children}}
 {{^_disableContribution}}
 {{#docurl}}
-<span class="small pull-right mobile-hide">
+<span class="small float-end mobile-hide">
   <span class="divider">|</span>
   <a href="{{docurl}}">{{__global.improveThisDoc}}</a>
 </span>{{/docurl}}
 {{#sourceurl}}
-<span class="small pull-right mobile-hide">
+<span class="small float-end mobile-hide">
   <a href="{{sourceurl}}">{{__global.viewSource}}</a>
 </span>{{/sourceurl}}
 {{/_disableContribution}}

diff --git a/templates/default/partials/dd-li.tmpl.partial b/templates/default/partials/dd-li.tmpl.partial
@@ -1,3 +1,3 @@
 {{#items}}
-  <li><a href="{{topicHref}}">{{name}}</a></li>
+  <li><a class="dropdown-item" href="{{topicHref}}">{{name}}</a></li>
 {{/items}}
diff --git a/templates/default/partials/footer.tmpl.partial b/templates/default/partials/footer.tmpl.partial
@@ -4,7 +4,7 @@
   <div class="grad-bottom"></div>
   <div class="footer">
     <div class="container">
-      <span class="pull-right">
+      <span class="float-end">
         <a href="#top">{{__global.backToTop}}</a>
       </span>
       {{{_appFooter}}}

diff --git a/templates/default/partials/li.tmpl.partial b/templates/default/partials/li.tmpl.partial
@@ -20,7 +20,7 @@
     {{/dropdown}}
     {{#dropdown}}
       <li class="dropdown">
-        <a class="dropdown-toggle" data-toggle="dropdown" href="#" role="button" aria-haspopup="true" aria-expanded="false">{{name}} <span class="caret"></span></a>
+        <a class="dropdown-toggle" data-bs-toggle="dropdown" href="#" role="button" aria-haspopup="true" aria-expanded="false">{{name}}</a>
         <ul class="dropdown-menu level{{level}}">
           {{>partials/dd-li}}
         </ul>

diff --git a/templates/default/partials/navbar.tmpl.partial b/templates/default/partials/navbar.tmpl.partial
@@ -1,21 +1,14 @@
 {{!Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license.}}
 
-<nav id="autocollapse" class="navbar navbar-inverse ng-scope" role="navigation">
+<nav id="autocollapse" class="navbar navbar-expand-md navbar-dark bg-dark" role="navigation">
   <div class="container">
-    <div class="navbar-header">
-      <button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#navbar">
-        <span class="sr-only">Toggle navigation</span>
-        <span class="icon-bar"></span>
-        <span class="icon-bar"></span>
-        <span class="icon-bar"></span>
-      </button>
-      {{>partials/logo}}
-    </div>
+    {{>partials/logo}}
+    <button type="button" class="navbar-toggler" data-bs-toggle="collapse" data-bs-target="#navbar" aria-controls="navbar" aria-expanded="false" aria-label="Toggle navigation">
+      <span class="navbar-toggler-icon"></span>
+    </button>
     <div class="collapse navbar-collapse" id="navbar">
-      <form class="navbar-form navbar-right" role="search" id="search">
-        <div class="form-group">
-          <input type="text" class="form-control" id="search-query" placeholder="{{__global.search}}" autocomplete="off">
-        </div>
+      <form class="ms-auto" role="search" id="search">
+        <input type="text" class="form-control" id="search-query" placeholder="{{__global.search}}" autocomplete="off">
       </form>
     </div>
   </div>

diff --git a/templates/default/partials/rest.child.tmpl.partial b/templates/default/partials/rest.child.tmpl.partial
@@ -2,12 +2,12 @@
 
 {{^_disableContribution}}
 {{#docurl}}
-<span class="small pull-right mobile-hide">
+<span class="small float-end mobile-hide">
   <span class="divider">|</span>
   <a href="{{docurl}}">Improve this Doc</a>
 </span>{{/docurl}}
 {{#sourceurl}}
-<span class="small pull-right mobile-hide">
+<span class="small float-end mobile-hide">
   <a href="{{sourceurl}}">View Source</a>
 </span>{{/sourceurl}}
 {{/_disableContribution}}

diff --git a/templates/default/partials/searchResults.tmpl.partial b/templates/default/partials/searchResults.tmpl.partial
@@ -3,7 +3,7 @@
 <div id="search-results">
   <div class="search-list">{{__global.searchResults}} <span></span></div>
   <div class="sr-items">
-    <p><i class="glyphicon glyphicon-refresh index-loading"></i></p>
+    <p><span class="spinner-border spinner-border-sm index-loading" aria-hidden="true"></span></p>
   </div>
   <ul id="pagination" data-first={{__global.pageFirst}} data-prev={{__global.pagePrev}} data-next={{__global.pageNext}} data-last={{__global.pageLast}}></ul>
 </div>
diff --git a/templates/default/partials/toc.tmpl.partial b/templates/default/partials/toc.tmpl.partial
@@ -1,7 +1,7 @@
 {{!Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license.}}
 
 <div class="sidenav hide-when-search">
-  <a class="btn toc-toggle collapse" data-toggle="collapse" href="#sidetoggle" aria-expanded="false" aria-controls="sidetoggle">{{__global.tocToggleButton}}</a>
+  <a class="btn toc-toggle" data-bs-toggle="collapse" href="#sidetoggle" aria-expanded="false" aria-controls="sidetoggle">{{__global.tocToggleButton}}</a>
   <div class="sidetoggle collapse" id="sidetoggle">
     <div id="sidetoc"></div>
   </div>

diff --git a/templates/default/partials/uref/class.tmpl.partial b/templates/default/partials/uref/class.tmpl.partial
@@ -6,12 +6,12 @@
 {{#children}}
 {{^_disableContribution}}
 {{#docurl}}
-<span class="small pull-right mobile-hide">
+<span class="small float-end mobile-hide">
   <span class="divider">|</span>
   <a href="{{docurl}}">{{__global.improveThisDoc}}</a>
 </span>{{/docurl}}
 {{#sourceurl}}
-<span class="small pull-right mobile-hide">
+<span class="small float-end mobile-hide">
   <a href="{{sourceurl}}">{{__global.viewSource}}</a>
 </span>{{/sourceurl}}
 {{/_disableContribution}}

diff --git a/templates/default/partials/uref/namespace.tmpl.partial b/templates/default/partials/uref/namespace.tmpl.partial
@@ -19,12 +19,12 @@
     {{#children}}
       {{^_disableContribution}}
       {{#docurl}}
-      <span class="small pull-right mobile-hide">
+      <span class="small float-end mobile-hide">
         <span class="divider">|</span>
         <a href="{{docurl}}">{{__global.improveThisDoc}}</a>
       </span>{{/docurl}}
       {{#sourceurl}}
-      <span class="small pull-right mobile-hide">
+      <span class="small float-end mobile-hide">
         <a href="{{sourceurl}}">{{__global.viewSource}}</a>
       </span>{{/sourceurl}}
       {{/_disableContribution}}

diff --git a/templates/default/src/docfx.vendor.js b/templates/default/src/docfx.vendor.js
@@ -6,7 +6,7 @@ require('@default/highlight.js/styles/github.css')
 
 window.$ = window.jQuery = require('jquery')
 
-require('@default/bootstrap')
+window.bootstrap = require('@default/bootstrap')
 require('@default/twbs-pagination')
 require('@default/mark.js/src/jquery')