diff --git a/content/en/deployments/github-pages.md b/content/en/deployments/github-pages.md
index ee61ead7a0..6a9df30162 100644
--- a/content/en/deployments/github-pages.md
+++ b/content/en/deployments/github-pages.md
@@ -68,7 +68,7 @@ First install it:
 
 ::code-group
 ```bash [Yarn]
-yarn add -D push-dir
+yarn add --dev push-dir
 ```
 ```bash [NPM]
 npm install push-dir --save-dev
diff --git a/content/en/docs/3.features/6.configuration.md b/content/en/docs/3.features/6.configuration.md
index 9dff86ae69..9ee3b8a1b7 100644
--- a/content/en/docs/3.features/6.configuration.md
+++ b/content/en/docs/3.features/6.configuration.md
@@ -77,8 +77,8 @@ To use these pre-processors, we need to install their webpack loaders:
 
 ::code-group
 ```bash [Yarn]
-yarn add -D pug pug-plain-loader
-yarn add -D sass sass-loader@10
+yarn add --dev pug pug-plain-loader
+yarn add --dev sass sass-loader@10
 ```
 ```bash [NPM]
 npm install --save-dev pug pug-plain-loader
diff --git a/content/en/docs/4.directory-structure/2.assets.md b/content/en/docs/4.directory-structure/2.assets.md
index 0feb0e3e8f..6f3f0f954f 100644
--- a/content/en/docs/4.directory-structure/2.assets.md
+++ b/content/en/docs/4.directory-structure/2.assets.md
@@ -62,17 +62,13 @@ In case you want to use `sass` make sure that you have installed `sass` and
 
 ::code-group
 ```bash [Yarn]
-yarn add -D sass sass-loader@10 fibers
+yarn add --dev sass sass-loader@10
 ```
 ```bash [NPM]
-npm install --save-dev sass sass-loader@10 fibers
+npm install --save-dev sass sass-loader@10
 ```
 ::
 
-::alert{type="info"}
-Synchronous compilation with `sass` (2x speed increase) [is enabled automatically](https://github.com/webpack-contrib/sass-loader) when `fibers` is installed.
-::
-
 Nuxt will automatically guess the file type by its extension and use the appropriate pre-processor loader for webpack. You will still need to install the required loader if you need to use them.
 
 ## Fonts
diff --git a/content/en/docs/4.directory-structure/8.modules.md b/content/en/docs/4.directory-structure/8.modules.md
index 96ebcef20f..0d518ce592 100644
--- a/content/en/docs/4.directory-structure/8.modules.md
+++ b/content/en/docs/4.directory-structure/8.modules.md
@@ -365,7 +365,7 @@ export default {
 
 ::code-group
 ```bash [Yarn]
-yarn add -D @nuxtjs/eslint-module
+yarn add --dev @nuxtjs/eslint-module
 ```
 ```bash [NPM]
 npm install --save-dev @nuxtjs/eslint-module
diff --git a/content/en/tutorials/3.going-dark-with-nuxtjs-color-mode.md b/content/en/tutorials/3.going-dark-with-nuxtjs-color-mode.md
index 5e6593b344..dd895214ba 100644
--- a/content/en/tutorials/3.going-dark-with-nuxtjs-color-mode.md
+++ b/content/en/tutorials/3.going-dark-with-nuxtjs-color-mode.md
@@ -68,7 +68,7 @@ First of all you need to install the module as a dependency to your Nuxt project
 
 ::code-group
 ```bash [Yarn]
-yarn add -D @nuxtjs/color-mode
+yarn add --dev @nuxtjs/color-mode
 ```
 ```bash [NPM]
 npm install --save-dev @nuxtjs/color-mode
diff --git a/content/es/docs/3.features/6.configuration.md b/content/es/docs/3.features/6.configuration.md
index 9dff86ae69..9ee3b8a1b7 100644
--- a/content/es/docs/3.features/6.configuration.md
+++ b/content/es/docs/3.features/6.configuration.md
@@ -77,8 +77,8 @@ To use these pre-processors, we need to install their webpack loaders:
 
 ::code-group
 ```bash [Yarn]
-yarn add -D pug pug-plain-loader
-yarn add -D sass sass-loader@10
+yarn add --dev pug pug-plain-loader
+yarn add --dev sass sass-loader@10
 ```
 ```bash [NPM]
 npm install --save-dev pug pug-plain-loader
diff --git a/content/es/docs/4.directory-structure/2.assets.md b/content/es/docs/4.directory-structure/2.assets.md
index 0feb0e3e8f..6f3f0f954f 100644
--- a/content/es/docs/4.directory-structure/2.assets.md
+++ b/content/es/docs/4.directory-structure/2.assets.md
@@ -62,17 +62,13 @@ In case you want to use `sass` make sure that you have installed `sass` and
 
 ::code-group
 ```bash [Yarn]
-yarn add -D sass sass-loader@10 fibers
+yarn add --dev sass sass-loader@10
 ```
 ```bash [NPM]
-npm install --save-dev sass sass-loader@10 fibers
+npm install --save-dev sass sass-loader@10
 ```
 ::
 
-::alert{type="info"}
-Synchronous compilation with `sass` (2x speed increase) [is enabled automatically](https://github.com/webpack-contrib/sass-loader) when `fibers` is installed.
-::
-
 Nuxt will automatically guess the file type by its extension and use the appropriate pre-processor loader for webpack. You will still need to install the required loader if you need to use them.
 
 ## Fonts
diff --git a/content/es/docs/4.directory-structure/8.modules.md b/content/es/docs/4.directory-structure/8.modules.md
index 96ebcef20f..0d518ce592 100644
--- a/content/es/docs/4.directory-structure/8.modules.md
+++ b/content/es/docs/4.directory-structure/8.modules.md
@@ -365,7 +365,7 @@ export default {
 
 ::code-group
 ```bash [Yarn]
-yarn add -D @nuxtjs/eslint-module
+yarn add --dev @nuxtjs/eslint-module
 ```
 ```bash [NPM]
 npm install --save-dev @nuxtjs/eslint-module
diff --git a/content/es/docs/5.configuration-glossary/5.configuration-css.md b/content/es/docs/5.configuration-glossary/5.configuration-css.md
index f109362df9..25b285e4ef 100644
--- a/content/es/docs/5.configuration-glossary/5.configuration-css.md
+++ b/content/es/docs/5.configuration-glossary/5.configuration-css.md
@@ -15,17 +15,13 @@ In case you want to use `sass` make sure that you have installed `sass` and `sas
 
 ::code-group
 ```sh [Yarn]
-yarn add --dev sass sass-loader@10 fibers
+yarn add --dev sass sass-loader@10
 ```
 ```sh [NPM]
-npm install --save-dev sass sass-loader@10 fibers
+npm install --save-dev sass sass-loader@10
 ```
 ::
 
-::alert{type="info"}
-Synchronous compilation with `sass` (2x speed increase) [is enabled automatically](https://github.com/webpack-contrib/sass-loader) when `fibers` is installed.
-::
-
 - Type: `Array`
   - Items: `string`
 
diff --git a/content/es/tutorials/3.going-dark-with-nuxtjs-color-mode.md b/content/es/tutorials/3.going-dark-with-nuxtjs-color-mode.md
index 5e6593b344..dd895214ba 100644
--- a/content/es/tutorials/3.going-dark-with-nuxtjs-color-mode.md
+++ b/content/es/tutorials/3.going-dark-with-nuxtjs-color-mode.md
@@ -68,7 +68,7 @@ First of all you need to install the module as a dependency to your Nuxt project
 
 ::code-group
 ```bash [Yarn]
-yarn add -D @nuxtjs/color-mode
+yarn add --dev @nuxtjs/color-mode
 ```
 ```bash [NPM]
 npm install --save-dev @nuxtjs/color-mode
diff --git a/content/fr/docs/3.features/6.configuration.md b/content/fr/docs/3.features/6.configuration.md
index 086dd8a0cf..d4dd089647 100644
--- a/content/fr/docs/3.features/6.configuration.md
+++ b/content/fr/docs/3.features/6.configuration.md
@@ -76,8 +76,8 @@ Pour utiliser ces pré-processeurs, nous avons besoin d'installer leurs loaders
 
 ::code-group
 ```bash [Yarn]
-yarn add -D pug pug-plain-loader
-yarn add -D sass sass-loader@10
+yarn add --dev pug pug-plain-loader
+yarn add --dev sass sass-loader@10
 ```
 ```bash [NPM]
 npm install --save-dev pug pug-plain-loader
diff --git a/content/fr/docs/4.directory-structure/2.assets.md b/content/fr/docs/4.directory-structure/2.assets.md
index f3e4601e2a..9aa18bfc5b 100644
--- a/content/fr/docs/4.directory-structure/2.assets.md
+++ b/content/fr/docs/4.directory-structure/2.assets.md
@@ -63,15 +63,12 @@ Dans le cas où l'on veut utiliser `SASS`, il faut bien faire attention à insta
 ::
 
 ::code-group
-
 ```bash [Yarn]
-yarn add -D sass sass-loader@10 fibers
+yarn add --dev sass sass-loader@10
 ```
-
 ```bash [NPM]
-npm install --save-dev sass sass-loader@10 fibers
+npm install --save-dev sass sass-loader@10
 ```
-
 ::
 
 Nuxt va automatiquement deviner le type de fichier grâce à son extension et utiliser le loader webpack approprié pour le pré-processeur. Nous aurons cependant besoin d'installer le loader requis si nous avons besoin de l'utiliser.
diff --git a/content/fr/docs/4.directory-structure/8.modules.md b/content/fr/docs/4.directory-structure/8.modules.md
index cd41405a3f..d385d612c1 100644
--- a/content/fr/docs/4.directory-structure/8.modules.md
+++ b/content/fr/docs/4.directory-structure/8.modules.md
@@ -368,7 +368,7 @@ export default {
 ::code-group
 
 ```bash [Yarn]
-yarn add -D @nuxtjs/eslint-module
+yarn add --dev @nuxtjs/eslint-module
 ```
 
 ```bash [NPM]
diff --git a/content/fr/docs/5.configuration-glossary/5.configuration-css.md b/content/fr/docs/5.configuration-glossary/5.configuration-css.md
index f896c850a9..d44913cb38 100644
--- a/content/fr/docs/5.configuration-glossary/5.configuration-css.md
+++ b/content/fr/docs/5.configuration-glossary/5.configuration-css.md
@@ -15,17 +15,13 @@ Si on veut utiliser `SASS`, il faut bien faire attention à avoir les packages `
 
 ::code-group
 ```sh [Yarn]
-yarn add --dev sass sass-loader@10 fibers
+yarn add --dev sass sass-loader@10
 ```
 ```sh [NPM]
-npm install --save-dev sass sass-loader@10 fibers
+npm install --save-dev sass sass-loader@10
 ```
 ::
 
-::alert{type="info"}
-Compilation synchrone avec `sass` (augmentation de la vitesse 2x) [est activée automatiquement] (https://github.com/webpack-contrib/sass-loader) lorsque `fibers` est installé.
-::
-
 - Type: `Array`
   - Items: `string`
 
diff --git a/content/fr/tutorials/3.going-dark-with-nuxtjs-color-mode.md b/content/fr/tutorials/3.going-dark-with-nuxtjs-color-mode.md
index 5e6593b344..dd895214ba 100644
--- a/content/fr/tutorials/3.going-dark-with-nuxtjs-color-mode.md
+++ b/content/fr/tutorials/3.going-dark-with-nuxtjs-color-mode.md
@@ -68,7 +68,7 @@ First of all you need to install the module as a dependency to your Nuxt project
 
 ::code-group
 ```bash [Yarn]
-yarn add -D @nuxtjs/color-mode
+yarn add --dev @nuxtjs/color-mode
 ```
 ```bash [NPM]
 npm install --save-dev @nuxtjs/color-mode
diff --git a/content/ja/docs/3.features/6.configuration.md b/content/ja/docs/3.features/6.configuration.md
index 294d21f979..d3f63d9f3c 100644
--- a/content/ja/docs/3.features/6.configuration.md
+++ b/content/ja/docs/3.features/6.configuration.md
@@ -77,8 +77,8 @@ export default {
 
 ::code-group
 ```bash [Yarn]
-yarn add -D pug pug-plain-loader
-yarn add -D sass sass-loader@10
+yarn add --dev pug pug-plain-loader
+yarn add --dev sass sass-loader@10
 ```
 ```bash [NPM]
 npm install --save-dev pug pug-plain-loader
diff --git a/content/ja/docs/4.directory-structure/2.assets.md b/content/ja/docs/4.directory-structure/2.assets.md
index 4ececb8a6a..074b5e4243 100644
--- a/content/ja/docs/4.directory-structure/2.assets.md
+++ b/content/ja/docs/4.directory-structure/2.assets.md
@@ -62,17 +62,13 @@ export default {
 
 ::code-group
 ```bash [Yarn]
-yarn add -D sass sass-loader@10 fibers
+yarn add --dev sass sass-loader@10
 ```
 ```bash [NPM]
-npm install --save-dev sass sass-loader@10 fibers
+npm install --save-dev sass sass-loader@10
 ```
 ::
 
-::alert{type="info"}
-`fibers` がインストールされている場合、 `sass` の同期コンパイル（2 倍速）が [自動的に有効になります](https://github.com/webpack-contrib/sass-loader)。
-::
-
 Nuxt は拡張子からファイルの種類を自動的に推測して webpack に適したプリプロセッサローダーを使用します。それでも必要な場合は、必要なローダーをインストールする必要があります。
 
 ## フォント
diff --git a/content/ja/docs/4.directory-structure/8.modules.md b/content/ja/docs/4.directory-structure/8.modules.md
index 0416098d51..23e482f81f 100644
--- a/content/ja/docs/4.directory-structure/8.modules.md
+++ b/content/ja/docs/4.directory-structure/8.modules.md
@@ -366,7 +366,7 @@ export default {
 
 ::code-group
 ```bash [Yarn]
-yarn add -D @nuxtjs/eslint-module
+yarn add --dev @nuxtjs/eslint-module
 ```
 ```bash [NPM]
 npm install --save-dev @nuxtjs/eslint-module
diff --git a/content/ja/docs/5.configuration-glossary/5.configuration-css.md b/content/ja/docs/5.configuration-glossary/5.configuration-css.md
index 51fb601cc0..72968077c6 100644
--- a/content/ja/docs/5.configuration-glossary/5.configuration-css.md
+++ b/content/ja/docs/5.configuration-glossary/5.configuration-css.md
@@ -15,17 +15,13 @@ Nuxt ではグローバルに適用したい（すべてのページにインク
 
 ::code-group
 ```sh [Yarn]
-yarn add --dev sass sass-loader@10 fibers
+yarn add --dev sass sass-loader@10
 ```
 ```sh [NPM]
-npm install --save-dev sass sass-loader@10 fibers
+npm install --save-dev sass sass-loader@10
 ```
 ::
 
-::alert{type="info"}
-`fibers` がインストールされている場合、 `sass` の同期コンパイル（2 倍速）が [自動的に有効になります](https://github.com/webpack-contrib/sass-loader)。
-::
-
 - 型: `Array`
   - 要素: `string`
 
diff --git a/content/ja/tutorials/3.going-dark-with-nuxtjs-color-mode.md b/content/ja/tutorials/3.going-dark-with-nuxtjs-color-mode.md
index 5e6593b344..dd895214ba 100644
--- a/content/ja/tutorials/3.going-dark-with-nuxtjs-color-mode.md
+++ b/content/ja/tutorials/3.going-dark-with-nuxtjs-color-mode.md
@@ -68,7 +68,7 @@ First of all you need to install the module as a dependency to your Nuxt project
 
 ::code-group
 ```bash [Yarn]
-yarn add -D @nuxtjs/color-mode
+yarn add --dev @nuxtjs/color-mode
 ```
 ```bash [NPM]
 npm install --save-dev @nuxtjs/color-mode
diff --git a/content/pt/docs/3.features/6.configuration.md b/content/pt/docs/3.features/6.configuration.md
index 9dff86ae69..9ee3b8a1b7 100644
--- a/content/pt/docs/3.features/6.configuration.md
+++ b/content/pt/docs/3.features/6.configuration.md
@@ -77,8 +77,8 @@ To use these pre-processors, we need to install their webpack loaders:
 
 ::code-group
 ```bash [Yarn]
-yarn add -D pug pug-plain-loader
-yarn add -D sass sass-loader@10
+yarn add --dev pug pug-plain-loader
+yarn add --dev sass sass-loader@10
 ```
 ```bash [NPM]
 npm install --save-dev pug pug-plain-loader
diff --git a/content/pt/docs/4.directory-structure/2.assets.md b/content/pt/docs/4.directory-structure/2.assets.md
index 0feb0e3e8f..6f3f0f954f 100644
--- a/content/pt/docs/4.directory-structure/2.assets.md
+++ b/content/pt/docs/4.directory-structure/2.assets.md
@@ -62,17 +62,13 @@ In case you want to use `sass` make sure that you have installed `sass` and
 
 ::code-group
 ```bash [Yarn]
-yarn add -D sass sass-loader@10 fibers
+yarn add --dev sass sass-loader@10
 ```
 ```bash [NPM]
-npm install --save-dev sass sass-loader@10 fibers
+npm install --save-dev sass sass-loader@10
 ```
 ::
 
-::alert{type="info"}
-Synchronous compilation with `sass` (2x speed increase) [is enabled automatically](https://github.com/webpack-contrib/sass-loader) when `fibers` is installed.
-::
-
 Nuxt will automatically guess the file type by its extension and use the appropriate pre-processor loader for webpack. You will still need to install the required loader if you need to use them.
 
 ## Fonts
diff --git a/content/pt/docs/4.directory-structure/8.modules.md b/content/pt/docs/4.directory-structure/8.modules.md
index 96ebcef20f..0d518ce592 100644
--- a/content/pt/docs/4.directory-structure/8.modules.md
+++ b/content/pt/docs/4.directory-structure/8.modules.md
@@ -365,7 +365,7 @@ export default {
 
 ::code-group
 ```bash [Yarn]
-yarn add -D @nuxtjs/eslint-module
+yarn add --dev @nuxtjs/eslint-module
 ```
 ```bash [NPM]
 npm install --save-dev @nuxtjs/eslint-module
diff --git a/content/pt/docs/5.configuration-glossary/5.configuration-css.md b/content/pt/docs/5.configuration-glossary/5.configuration-css.md
index f109362df9..25b285e4ef 100644
--- a/content/pt/docs/5.configuration-glossary/5.configuration-css.md
+++ b/content/pt/docs/5.configuration-glossary/5.configuration-css.md
@@ -15,17 +15,13 @@ In case you want to use `sass` make sure that you have installed `sass` and `sas
 
 ::code-group
 ```sh [Yarn]
-yarn add --dev sass sass-loader@10 fibers
+yarn add --dev sass sass-loader@10
 ```
 ```sh [NPM]
-npm install --save-dev sass sass-loader@10 fibers
+npm install --save-dev sass sass-loader@10
 ```
 ::
 
-::alert{type="info"}
-Synchronous compilation with `sass` (2x speed increase) [is enabled automatically](https://github.com/webpack-contrib/sass-loader) when `fibers` is installed.
-::
-
 - Type: `Array`
   - Items: `string`
 
diff --git a/content/pt/tutorials/3.going-dark-with-nuxtjs-color-mode.md b/content/pt/tutorials/3.going-dark-with-nuxtjs-color-mode.md
index 5e6593b344..dd895214ba 100644
--- a/content/pt/tutorials/3.going-dark-with-nuxtjs-color-mode.md
+++ b/content/pt/tutorials/3.going-dark-with-nuxtjs-color-mode.md
@@ -68,7 +68,7 @@ First of all you need to install the module as a dependency to your Nuxt project
 
 ::code-group
 ```bash [Yarn]
-yarn add -D @nuxtjs/color-mode
+yarn add --dev @nuxtjs/color-mode
 ```
 ```bash [NPM]
 npm install --save-dev @nuxtjs/color-mode