From 0649b5f22ad7fbeef57ad57148b298d05defc6dd Mon Sep 17 00:00:00 2001
From: simurai <simulus@gmail.com>
Date: Thu, 11 Mar 2021 15:35:27 +0900
Subject: [PATCH] Update v16-migration.mdx

---
 docs/content/support/v16-migration.mdx | 28 +++++++++++++++++++-------
 1 file changed, 21 insertions(+), 7 deletions(-)

diff --git a/docs/content/support/v16-migration.mdx b/docs/content/support/v16-migration.mdx
index 001f24aa..86826e86 100644
--- a/docs/content/support/v16-migration.mdx
+++ b/docs/content/support/v16-migration.mdx
@@ -13,6 +13,19 @@ Because colors differ in each color mode, it doesn't make sense to try to make a
 
 Most components don't need to be updated and should work without making changes. But some of the componets that use presentational class names now use functional class names.
 
+#### Counters
+
+| [`v15`](https://primer.style/css/components/labels#counters) | `v16`                 |
+| ------------------------------------------------------------ | --------------------- |
+| `.Counter--gray`                                             | `.Counter--primary`   |
+| `.Counter--gray-light`                                       | `.Counter--secondary` |
+
+#### Dropdwon
+
+| [`v15`](https://primer.style/css/components/dropdown#dark) | `v16` |
+| ---------------------------------------------------------- | ----- |
+| `.dropdown-menu-dark`                                      | n/a   |
+
 #### Labels
 
 | [`v15`](https://primer.style/css/components/labels) | `v16`               |
@@ -27,13 +40,6 @@ Most components don't need to be updated and should work without making changes.
 | `.Label--purple`                                    | n/a                 |
 | `.Label--pink`                                      | n/a                 |
 
-#### Counters
-
-| [`v15`](https://primer.style/css/components/labels#counters) | `v16`                 |
-| ------------------------------------------------------------ | --------------------- |
-| `.Counter--gray`                                             | `.Counter--primary`   |
-| `.Counter--gray-light`                                       | `.Counter--secondary` |
-
 #### States
 
 | [`v15`](https://primer.style/css/components/labels#states) | `v16`            |
@@ -149,6 +155,14 @@ The `link` utilities are part of the `Link` component.
 | `.link-hover-blue`                                              | `.Link--onHover`   |
 | n/a                                                             | `.Link`            |
 
+### Mixins
+
+| `v15`           | `v16` |
+| --------------- | ----- |
+| `btn-solid()`   | n/a   |
+| `btn-inverse()` | n/a   |
+| `btn-outline()` | n/a   |
+
 ### Variables
 
 See [the color system page](/support/color-system) for a list of all the functional CSS variables.