Updated stable branch to revision 2.19.0
diff --git a/Formula/dart.rb b/Formula/dart.rb
index a8b90ae..5e12079 100644
--- a/Formula/dart.rb
+++ b/Formula/dart.rb
@@ -34,26 +34,26 @@
 
   conflicts_with "dart-beta", because: "dart-beta ships the same binaries"
   if OS.mac? && Hardware::CPU.intel?
-    url "https://storage.googleapis.com/dart-archive/channels/stable/release/2.18.7/sdk/dartsdk-macos-x64-release.zip"
-    sha256 "71675de774e19ccc872234ffcbd96401af49b88330001aeb47cff648eee790ca"
+    url "https://storage.googleapis.com/dart-archive/channels/stable/release/2.19.0/sdk/dartsdk-macos-x64-release.zip"
+    sha256 "2163b8a6bd5be8d54036335204a357f9568068b6276dccf7b7c22a732bc973c1"
   elsif OS.mac? && Hardware::CPU.arm?
-    url "https://storage.googleapis.com/dart-archive/channels/stable/release/2.18.7/sdk/dartsdk-macos-arm64-release.zip"
-    sha256 "2742114776a5b476f64cb96596eaeb2d346f65686b7f358b06de83f0e3eb2a48"
+    url "https://storage.googleapis.com/dart-archive/channels/stable/release/2.19.0/sdk/dartsdk-macos-arm64-release.zip"
+    sha256 "69d0611f528d77aa2a090d34021511f8bf4c441a96e0fcecfc046a2bce5c0ac5"
   elsif OS.linux? && Hardware::CPU.intel?
     if Hardware::CPU.is_64_bit?
-      url "https://storage.googleapis.com/dart-archive/channels/stable/release/2.18.7/sdk/dartsdk-linux-x64-release.zip"
-      sha256 "337de0ad3ee66dca7ffa81fc3cd9ecd53d4593384da9d1dfcf4b68f69559fa2b"
+      url "https://storage.googleapis.com/dart-archive/channels/stable/release/2.19.0/sdk/dartsdk-linux-x64-release.zip"
+      sha256 "aa2abe166d898b1bc1f67f87836d52087ec29c19e6f8940b4c370f969899d44a"
     else
-      url "https://storage.googleapis.com/dart-archive/channels/stable/release/2.18.7/sdk/dartsdk-linux-ia32-release.zip"
-      sha256 "3a02c848c1ea1ae2f7b0cae28ed5ec6a0160a795b7440e2e217aafa3eabeb0d3"
+      url "https://storage.googleapis.com/dart-archive/channels/stable/release/2.19.0/sdk/dartsdk-linux-ia32-release.zip"
+      sha256 "14fc9684d784d5f73c72bbb9e9603acf36caf082f224023dcda312d450f7fa51"
     end
   elsif OS.linux? && Hardware::CPU.arm?
     if Hardware::CPU.is_64_bit?
-      url "https://storage.googleapis.com/dart-archive/channels/stable/release/2.18.7/sdk/dartsdk-linux-arm64-release.zip"
-      sha256 "684092802f280ca7a64b111da647bbd380d2ce5adf8a23bcd70cc902a3c4a495"
+      url "https://storage.googleapis.com/dart-archive/channels/stable/release/2.19.0/sdk/dartsdk-linux-arm64-release.zip"
+      sha256 "71f312f7448d42386b23361b82380cba2b0f0d60406190d25714b9d21e6f7208"
     else
-      url "https://storage.googleapis.com/dart-archive/channels/stable/release/2.18.7/sdk/dartsdk-linux-arm-release.zip"
-      sha256 "daa5139774ba50f100115c79dc193c0bb0a48737c79eb915ee8f25c4ec74ace1"
+      url "https://storage.googleapis.com/dart-archive/channels/stable/release/2.19.0/sdk/dartsdk-linux-arm-release.zip"
+      sha256 "c1f7bf9e077927beb6dff5d4d124197341ee89dcfedc1dd153de09aaa4818368"
     end
   end