Fixed broken link and removed unnecessary \

14/umbraco-cms/fundamentals/setup/upgrading/version-specific/README.md

@@ -81,9 +81,9 @@ The `package.manifest` file is no longer supported and has been replaced with th
 
 [Smidge has been removed from the default installation](https://github.com/umbraco/Umbraco-CMS/pull/15788) along with the RuntimeMinification setting and related classes. Smidge used to bundle up Backoffice and package assets before, however, with the Bellissima, we have migrated entirely to ESModules. This means we can no longer predict how modules work in automated bundles.
 
-It's recommended that you bundle up your Backoffice static assets for instance by a tool called Vite. You can read more about this on the [Vite Package Setup](https://docs.umbraco.com/umbraco-cms/extending/customize-backoffice/vite-package-setup) article. You can still use libraries like Smidge for frontend static assets by manually installing the package from NuGet.
+It's recommended that you bundle up your Backoffice static assets for instance by a tool called Vite. You can read more about this on the [Vite Package Setup](../../../../customizing/development-flow/vite-package-setup.md) article. You can still use libraries like Smidge for frontend static assets by manually installing the package from NuGet.
 
-You can read the [Smidge documentation](https://github.com/Shazwazza/Smidge/wiki) on how to set up a similar setting to RuntimeMinification.\
+You can read the [Smidge documentation](https://github.com/Shazwazza/Smidge/wiki) on how to set up a similar setting to RuntimeMinification.
 For sites being upgraded from V13 or below, please remove [these two lines](https://github.com/umbraco/Umbraco-CMS/blob/04ed514a21279ae82d95b34c55cb2ba96545eb39/src/Umbraco.Web.UI/Views/\_ViewImports.cshtml#L7-L8) from the `_ViewImports.cshtml` file.
 
 * **Base classes for Backoffice controllers have been removed**
@@ -201,7 +201,7 @@ This will use Umbraco’s default button to sign in with the provider. You can a
 
 Additionally, on the backend side, there is an additional helper available to do proper error handling. You can utilize this by using the options pattern to configure the provider.
 
-More details and code examples can be found in the [External Login Providers](../../../../reference/security/external-login-providers.md) article.\\
+More details and code examples can be found in the [External Login Providers](../../../../reference/security/external-login-providers.md) article.
 
 * **Deprecated SQLite provider name removed**
 

15/umbraco-cms/fundamentals/setup/upgrading/version-specific/README.md

@@ -132,7 +132,7 @@ The `package.manifest` file is no longer supported and has been replaced with th
 
 It's recommended that you bundle up your Backoffice static assets for instance by a tool called Vite. You can read more about this on the [Vite Package Setup](https://docs.umbraco.com/umbraco-cms/customizing/development-flow/vite-package-setup) article. You can still use libraries like Smidge for frontend static assets by manually installing the package from NuGet.
 
-You can read the [Smidge documentation](https://github.com/Shazwazza/Smidge/wiki) on how to set up a similar setting to RuntimeMinification.\
+You can read the [Smidge documentation](https://github.com/Shazwazza/Smidge/wiki) on how to set up a similar setting to RuntimeMinification.
 For sites being upgraded from V13 or below, please remove [these two lines](https://github.com/umbraco/Umbraco-CMS/blob/04ed514a21279ae82d95b34c55cb2ba96545eb39/src/Umbraco.Web.UI/Views/_ViewImports.cshtml#L7-L8) from the `_ViewImports.cshtml` file.
 
 * **Base classes for Backoffice controllers have been removed**
@@ -250,7 +250,7 @@ This will use Umbraco’s default button to sign in with the provider. You can a
 
 Additionally, on the backend side, there is an additional helper available to do proper error handling. You can utilize this by using the options pattern to configure the provider.
 
-More details and code examples can be found in the [External Login Providers](../../../../reference/security/external-login-providers.md) article.\\
+More details and code examples can be found in the [External Login Providers](../../../../reference/security/external-login-providers.md) article.
 
 * **Deprecated SQLite provider name removed**
 

16/umbraco-cms/fundamentals/setup/upgrading/version-specific/README.md

@@ -171,7 +171,7 @@ The `package.manifest` file is no longer supported and has been replaced with th
 
 It's recommended that you bundle up your Backoffice static assets for instance by a tool called Vite. You can read more about this on the [Vite Package Setup](https://docs.umbraco.com/umbraco-cms/customizing/development-flow/vite-package-setup) article. You can still use libraries like Smidge for frontend static assets by manually installing the package from NuGet.
 
-You can read the [Smidge documentation](https://github.com/Shazwazza/Smidge/wiki) on how to set up a similar setting to RuntimeMinification.\
+You can read the [Smidge documentation](https://github.com/Shazwazza/Smidge/wiki) on how to set up a similar setting to RuntimeMinification.
 For sites being upgraded from V13 or below, please remove [these two lines](https://github.com/umbraco/Umbraco-CMS/blob/04ed514a21279ae82d95b34c55cb2ba96545eb39/src/Umbraco.Web.UI/Views/_ViewImports.cshtml#L7-L8) from the `_ViewImports.cshtml` file.
 
 * **Base classes for Backoffice controllers have been removed**
@@ -289,7 +289,7 @@ This will use Umbraco’s default button to sign in with the provider. You can a
 
 Additionally, on the backend side, there is an additional helper available to do proper error handling. You can utilize this by using the options pattern to configure the provider.
 
-More details and code examples can be found in the [External Login Providers](../../../../reference/security/external-login-providers.md) article.\\
+More details and code examples can be found in the [External Login Providers](../../../../reference/security/external-login-providers.md) article.
 
 * **Deprecated SQLite provider name removed**