diff --git a/esphome/__main__.py b/esphome/__main__.py
index 9af08a8f21..c7b2151728 100644
--- a/esphome/__main__.py
+++ b/esphome/__main__.py
@@ -504,6 +504,7 @@ def parse_args(argv):
             "version",
             "clean",
             "dashboard",
+            "vscode",
         ],
     )
 
@@ -686,7 +687,7 @@ def run_esphome(argv):
     CORE.dashboard = args.dashboard
 
     setup_log(args.verbose, args.quiet)
-    if args.deprecated_argv_suggestion is not None:
+    if args.deprecated_argv_suggestion is not None and args.command != "vscode":
         _LOGGER.warning(
             "Calling ESPHome with the configuration before the command is deprecated "
             "and will be removed in the future. "
diff --git a/esphome/components/wifi/__init__.py b/esphome/components/wifi/__init__.py
index c45e179bc4..a701aa37e5 100644
--- a/esphome/components/wifi/__init__.py
+++ b/esphome/components/wifi/__init__.py
@@ -137,6 +137,18 @@ WIFI_NETWORK_STA = WIFI_NETWORK_BASE.extend(
 )
 
 
+def validate(config, item_config):
+    if (
+        (CONF_NETWORKS in item_config)
+        and (item_config[CONF_NETWORKS] == [])
+        and (CONF_AP not in item_config)
+    ):
+        if "esp32_improv" not in config:
+            raise ValueError(
+                "Please specify at least an SSID or an Access Point to create."
+            )
+
+
 def _validate(config):
     if CONF_PASSWORD in config and CONF_SSID not in config:
         raise cv.Invalid("Cannot have WiFi password without SSID!")
@@ -157,9 +169,7 @@ def _validate(config):
         config[CONF_NETWORKS] = cv.ensure_list(WIFI_NETWORK_STA)(network)
 
     if (CONF_NETWORKS not in config) and (CONF_AP not in config):
-        raise cv.Invalid(
-            "Please specify at least an SSID or an Access Point " "to create."
-        )
+        config[CONF_NETWORKS] = []
 
     if config.get(CONF_FAST_CONNECT, False):
         networks = config.get(CONF_NETWORKS, [])
diff --git a/esphome/const.py b/esphome/const.py
index f7ad39b95d..a17c847953 100644
--- a/esphome/const.py
+++ b/esphome/const.py
@@ -2,7 +2,7 @@
 
 MAJOR_VERSION = 1
 MINOR_VERSION = 19
-PATCH_VERSION = "0b3"
+PATCH_VERSION = "0b4"
 __short_version__ = f"{MAJOR_VERSION}.{MINOR_VERSION}"
 __version__ = f"{__short_version__}.{PATCH_VERSION}"
 
diff --git a/requirements.txt b/requirements.txt
index e7f69865da..6ae20849da 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,4 +11,4 @@ ifaddr==0.1.7
 platformio==5.1.1
 esptool==2.8
 click==7.1.2
-esphome-dashboard==20210611.0
+esphome-dashboard==20210614.1