Merge branch '5.4' into 6.0

* 5.4:
  Replace an URL by a URL
  feat(symfony-cli): add "symfony proxy:url" command usage
  Mark some Symfony CLI feature as experimental

Author: javiereguiluz

components/dom_crawler.rst

@@ -635,7 +635,7 @@ the whole form or specific field(s)::
 Resolving a URI
 ~~~~~~~~~~~~~~~
 
-The :class:`Symfony\\Component\\DomCrawler\\UriResolver` class takes an URI
+The :class:`Symfony\\Component\\DomCrawler\\UriResolver` class takes a URI
 (relative, absolute, fragment, etc.) and turns it into an absolute URI against
 another given base URI::
 

reference/configuration/framework.rst

@@ -2265,7 +2265,7 @@ package:
 
 .. note::
 
-    If an URL is set, the JSON manifest is downloaded on each request using the `http_client`_.
+    If a URL is set, the JSON manifest is downloaded on each request using the `http_client`_.
 
 .. _reference-assets-strict-mode:
 

setup/symfony_server.rst

@@ -237,7 +237,14 @@ domains work:
 
 .. code-block:: terminal
 
-    $ https_proxy=http://127.0.0.1:7080 curl https://my-domain.wip
+    # Example with curl
+    $ https_proxy=$(symfony proxy:url) curl https://my-domain.wip
+
+    # Example with Blackfire and curl
+    $ https_proxy=$(symfony proxy:url) blackfire curl https://my-domain.wip
+
+    # Example with Cypress
+    $ https_proxy=$(symfony proxy:url) ./node_modules/bin/cypress open
 
 .. note::
 
@@ -280,6 +287,11 @@ server provides a ``run`` command to wrap them as follows:
 Configuring Workers
 -------------------
 
+.. caution::
+
+    This feature is experimental and could change or be removed at any time
+    without prior notice.
+
 If you like some processes to start automatically, along with the webserver
 (``symfony server:start``), add a configuration file to your project: