Merge branch 'email' of https://github.com/dwightwatson/docs into dwi…

…ghtwatson-email

upgrade.md

@@ -305,6 +305,12 @@ The `readStream` and `writeStream` methods [have been added to the `Illuminate\C
 
 Variables that are dynamically passed to mailable views [are now automatically "camel cased"](https://github.com/laravel/framework/pull/24232), which makes mailable dynamic variable behavior consistent with dynamic view variables. Dynamic mailable variables are not a documented Laravel feature, so likelihood of impact to your application is low.
 
+#### Template Theme
+
+**Likelihood Of Impact: Low**
+
+If you have customized the default theme styles used for the email templates, you will need to re-publish and make your customizations again. The previous button colors have been renamed from 'blue', 'green', and 'red' to 'primary', 'success', and 'error' respectively.
+
 ### Routing
 
 #### The `Route::redirect` Method