From 5acb842c5741b4167595f664eb7babd690e6def9 Mon Sep 17 00:00:00 2001
From: Alexey Pyltsyn <lex61rus@gmail.com>
Date: Wed, 18 Nov 2020 18:33:27 +0300
Subject: [PATCH] fix(v2): do not remove duplicate properties in during
 minification (#3768)

---
 packages/docusaurus-cssnano-preset/index.js | 2 +-
 packages/docusaurus/src/webpack/utils.ts    | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/docusaurus-cssnano-preset/index.js b/packages/docusaurus-cssnano-preset/index.js
index 8c0a50f86c..8c48b12fd5 100644
--- a/packages/docusaurus-cssnano-preset/index.js
+++ b/packages/docusaurus-cssnano-preset/index.js
@@ -13,7 +13,7 @@ const postCssRemoveOverriddenCustomProperties = require('./src/remove-overridden
 const preset = advancedBasePreset({autoprefixer: {add: true}});
 
 preset.plugins.unshift(
-  [postCssCombineDuplicatedSelectors, {removeDuplicatedProperties: true}],
+  [postCssCombineDuplicatedSelectors, {removeDuplicatedValues: true}],
   [postCssSortMediaQueries],
   [postCssRemoveOverriddenCustomProperties],
 );
diff --git a/packages/docusaurus/src/webpack/utils.ts b/packages/docusaurus/src/webpack/utils.ts
index d87fa43b4d..12455679e0 100644
--- a/packages/docusaurus/src/webpack/utils.ts
+++ b/packages/docusaurus/src/webpack/utils.ts
@@ -67,7 +67,7 @@ export function getStyleLoaders(
             autoprefixer: {
               flexbox: 'no-2009',
             },
-            stage: 3,
+            stage: 4,
           }),
         ],
       },