From bcc16d0754ccd274f72c60d51a19da0ed5916800 Mon Sep 17 00:00:00 2001
From: Kevin Kirsche <Kev.Kirsche+GitHub@gmail.com>
Date: Thu, 20 Aug 2015 22:31:48 -0400
Subject: [PATCH 1/5] Document migration from panels to cards

X-Ref: #17120 for `.panel-default` replacement
---
 docs/migration.md | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/docs/migration.md b/docs/migration.md
index 78eca6032b..9206c80343 100644
--- a/docs/migration.md
+++ b/docs/migration.md
@@ -88,6 +88,20 @@ New to Bootstrap 4 is the Reboot, a new stylesheet that builds on Normalize with
 
 Dropped entirely for the new card component.
 
+#### Panels
+
+- `.panel` to `.card`
+- `.panel-default` removed and no replacement
+- `.panel-heading` to `.card-header`
+- `.panel-title` to `.card-title`
+- `.panel-body` to `.card-block`
+- `.panel-footer` to `.card-footer`
+- `.panel-primary` to `.card-primary` and `.card-inverse`
+- `.panel-success` to `.card-success` and `.card-inverse`
+- `.panel-info` to `.card-info` and `.card-inverse`
+- `.panel-warning` to `.card-warning` and `.card-inverse`
+- `.panel-danger` to `.card-danger` and `.card-inverse`
+
 ### Carousel
 
 - Renamed `.item` to `.carousel-item`.

From e707a45b1f3c12b633d7186b61540cae93dc1128 Mon Sep 17 00:00:00 2001
From: Kevin Kirsche <Kev.Kirsche+GitHub@gmail.com>
Date: Thu, 20 Aug 2015 12:44:11 -0400
Subject: [PATCH 2/5] v4 - Dropup caret direction incorrect

Fix #17144
---
 scss/_dropdown.scss | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/scss/_dropdown.scss b/scss/_dropdown.scss
index d3588d2707..615caae333 100644
--- a/scss/_dropdown.scss
+++ b/scss/_dropdown.scss
@@ -24,6 +24,15 @@
   }
 }
 
+.dropup {
+  .dropdown-toggle {
+    &:after {
+      border-bottom: $caret-width solid;
+      border-top: none;
+    }
+  }
+}
+
 // The dropdown menu (ul)
 .dropdown-menu {
   position: absolute;

From 134c1ba4671b5444a23c74531e4775f27ce8f4a3 Mon Sep 17 00:00:00 2001
From: wangsai <wangsai@bootcss.com>
Date: Mon, 24 Aug 2015 07:45:12 +0800
Subject: [PATCH 3/5] Add jekyll-redirect-from plugin in Gemfile, ohterwise
 report ".../jekyll/plugin_mannager.rb:29:in require: cannot load such file --
 jekyll-redirect-from (LoadError)" when jekyll build

---
 Gemfile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Gemfile b/Gemfile
index 23068bdfeb..cc3e50b7f4 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,4 +8,5 @@ group :development, :test do
   gem 'rouge', '~> 1.7.4'
   gem 'sass', '~> 3.4.9'
   gem 'scss-lint', '~> 0.31'
+  gem 'jekyll-redirect-from', '~> 0.8.0'
 end

From 19deadda956c1a9dab4d0a3b778b158570bff422 Mon Sep 17 00:00:00 2001
From: Mark Otto <markd.otto@gmail.com>
Date: Sun, 23 Aug 2015 23:00:47 -0700
Subject: [PATCH 4/5] shorter

---
 scss/_dropdown.scss | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scss/_dropdown.scss b/scss/_dropdown.scss
index f50af30477..3b0df96d86 100644
--- a/scss/_dropdown.scss
+++ b/scss/_dropdown.scss
@@ -28,7 +28,7 @@
   .dropdown-toggle {
     &:after {
       border-bottom: $caret-width solid;
-      border-top: none;
+      border-top: 0;
     }
   }
 }

From 2dddf997a93c3bda874acb663a0da496f1525f52 Mon Sep 17 00:00:00 2001
From: Mark Otto <markd.otto@gmail.com>
Date: Sun, 23 Aug 2015 23:03:58 -0700
Subject: [PATCH 5/5] my bad, fix those values

/cc @cvrebert
---
 docs/content/typography.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/docs/content/typography.md b/docs/content/typography.md
index 3145209ee8..264686b054 100644
--- a/docs/content/typography.md
+++ b/docs/content/typography.md
@@ -255,13 +255,13 @@ html {
 
 @include media-breakpoint-up(md) {
   html {
-    font-size: 28px;
+    font-size: 20px;
   }
 }
 
 @include media-breakpoint-up(lg) {
   html {
-    font-size: 20px;
+    font-size: 28px;
   }
 }
 {% endhighlight %}