Updated stable branch to revision 2.18.6
diff --git a/Formula/dart.rb b/Formula/dart.rb
index 36f2b2b..86f8ab4 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/2.18.5/sdk/dartsdk-macos-x64-release.zip"
-    sha256 "3993c549cd43ab486624e53287a5e1555f4c47eaabd53af30bcf4772ea48dadc"
+    url "https://storage.googleapis.com/dart-archive/channels/stable/release/2.18.6/sdk/dartsdk-macos-x64-release.zip"
+    sha256 "882497269dc6d7304c3367d721c170f20ff4661cbb055b9ec86c006fa95c2314"
   elsif OS.mac? && Hardware::CPU.arm?
-    url "https://storage.googleapis.com/dart-archive/channels/stable/release/2.18.5/sdk/dartsdk-macos-arm64-release.zip"
-    sha256 "c677da0c5b1842a5d77414de310acf961cf032c8870c564f2a8b7def4e4d227f"
+    url "https://storage.googleapis.com/dart-archive/channels/stable/release/2.18.6/sdk/dartsdk-macos-arm64-release.zip"
+    sha256 "d5f55d1231ac189d15899bd39631f8391ef326111d356a63bf2a4dd14d7755e0"
   elsif OS.linux? && Hardware::CPU.intel?
     if Hardware::CPU.is_64_bit?
-      url "https://storage.googleapis.com/dart-archive/channels/stable/release/2.18.5/sdk/dartsdk-linux-x64-release.zip"
-      sha256 "f64fbc5b90c6817d6f3a25cf9cec4277343cf265df233600838050639c593889"
+      url "https://storage.googleapis.com/dart-archive/channels/stable/release/2.18.6/sdk/dartsdk-linux-x64-release.zip"
+      sha256 "492c0e835203c4402e3d8291d12b53927f0300c8080aaf63a9113c204255a735"
     else
-      url "https://storage.googleapis.com/dart-archive/channels/stable/release/2.18.5/sdk/dartsdk-linux-ia32-release.zip"
-      sha256 "220aa95150a73931dc5606092291d49a291f30fda4abed121468f01ae54a7f10"
+      url "https://storage.googleapis.com/dart-archive/channels/stable/release/2.18.6/sdk/dartsdk-linux-ia32-release.zip"
+      sha256 "c97d1b3bf549690fb8c39392dd36b004795c54e808fe6c3503aa872850f79c32"
     end
   elsif OS.linux? && Hardware::CPU.arm?
     if Hardware::CPU.is_64_bit?
-      url "https://storage.googleapis.com/dart-archive/channels/stable/release/2.18.5/sdk/dartsdk-linux-arm64-release.zip"
-      sha256 "f8c6d7e1b0f090c536a64a6a130b065533efd83c290f4510f42325389a0c27a5"
+      url "https://storage.googleapis.com/dart-archive/channels/stable/release/2.18.6/sdk/dartsdk-linux-arm64-release.zip"
+      sha256 "61dbb462b48aee4f3184b6ecdd356632f39165ae8570fe77a62900a6444f702c"
     else
-      url "https://storage.googleapis.com/dart-archive/channels/stable/release/2.18.5/sdk/dartsdk-linux-arm-release.zip"
-      sha256 "505df0bfcdb1a22b6486718f6833514926f39f4b28f390b3b67ef8fc7b149255"
+      url "https://storage.googleapis.com/dart-archive/channels/stable/release/2.18.6/sdk/dartsdk-linux-arm-release.zip"
+      sha256 "c360ff64d1306ed5038a7df98142eff832abebc486d3e2b7f68b0fc53279a849"
     end
   end
 
diff --git a/pubspec.lock b/pubspec.lock
index 0f8ac09..894cded 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -5,344 +5,393 @@
     dependency: "direct main"
     description:
       name: _discoveryapis_commons
-      url: "https://pub.dartlang.org"
+      sha256: f3f9fd66bf38748f4afa4621ce94b7da5413726bdfdcc84bdc3ae6cf157a0101
+      url: "https://pub.dev"
     source: hosted
     version: "1.0.4"
   _fe_analyzer_shared:
     dependency: transitive
     description:
       name: _fe_analyzer_shared
-      url: "https://pub.dartlang.org"
+      sha256: "8c7478991c7bbde2c1e18034ac697723176a5d3e7e0ca06c7f9aed69b6f388d7"
+      url: "https://pub.dev"
     source: hosted
     version: "51.0.0"
   analyzer:
     dependency: transitive
     description:
       name: analyzer
-      url: "https://pub.dartlang.org"
+      sha256: "120fe7ce25377ba616bb210e7584983b163861f45d6ec446744d507e3943881b"
+      url: "https://pub.dev"
     source: hosted
     version: "5.3.1"
   args:
     dependency: "direct main"
     description:
       name: args
-      url: "https://pub.dartlang.org"
+      sha256: b003c3098049a51720352d219b0bb5f219b60fbfb68e7a4748139a06a5676515
+      url: "https://pub.dev"
     source: hosted
     version: "2.3.1"
   async:
     dependency: transitive
     description:
       name: async
-      url: "https://pub.dartlang.org"
+      sha256: bfe67ef28df125b7dddcea62755991f807aa39a2492a23e1550161692950bbe0
+      url: "https://pub.dev"
     source: hosted
     version: "2.10.0"
   boolean_selector:
     dependency: transitive
     description:
       name: boolean_selector
-      url: "https://pub.dartlang.org"
+      sha256: "6cfb5af12253eaf2b368f07bacc5a80d1301a071c73360d746b7f2e32d762c66"
+      url: "https://pub.dev"
     source: hosted
     version: "2.1.1"
   collection:
     dependency: transitive
     description:
       name: collection
-      url: "https://pub.dartlang.org"
+      sha256: cfc915e6923fe5ce6e153b0723c753045de46de1b4d63771530504004a45fae0
+      url: "https://pub.dev"
     source: hosted
     version: "1.17.0"
   convert:
     dependency: transitive
     description:
       name: convert
-      url: "https://pub.dartlang.org"
+      sha256: "0f08b14755d163f6e2134cb58222dd25ea2a2ee8a195e53983d57c075324d592"
+      url: "https://pub.dev"
     source: hosted
     version: "3.1.1"
   coverage:
     dependency: transitive
     description:
       name: coverage
-      url: "https://pub.dartlang.org"
+      sha256: d2494157c32b303f47dedee955b1479f2979c4ff66934eb7c0def44fd9e0267a
+      url: "https://pub.dev"
     source: hosted
     version: "1.6.1"
   crypto:
     dependency: transitive
     description:
       name: crypto
-      url: "https://pub.dartlang.org"
+      sha256: aa274aa7774f8964e4f4f38cc994db7b6158dd36e9187aaceaddc994b35c6c67
+      url: "https://pub.dev"
     source: hosted
     version: "3.0.2"
   file:
     dependency: transitive
     description:
       name: file
-      url: "https://pub.dartlang.org"
+      sha256: "1b92bec4fc2a72f59a8e15af5f52cd441e4a7860b49499d69dfa817af20e925d"
+      url: "https://pub.dev"
     source: hosted
     version: "6.1.4"
   frontend_server_client:
     dependency: transitive
     description:
       name: frontend_server_client
-      url: "https://pub.dartlang.org"
+      sha256: "408e3ca148b31c20282ad6f37ebfa6f4bdc8fede5b74bc2f08d9d92b55db3612"
+      url: "https://pub.dev"
     source: hosted
     version: "3.2.0"
   glob:
     dependency: transitive
     description:
       name: glob
-      url: "https://pub.dartlang.org"
+      sha256: "4515b5b6ddb505ebdd242a5f2cc5d22d3d6a80013789debfbda7777f47ea308c"
+      url: "https://pub.dev"
     source: hosted
     version: "2.1.1"
   googleapis:
     dependency: "direct main"
     description:
       name: googleapis
-      url: "https://pub.dartlang.org"
+      sha256: dfea9984f0785ed445ba78e2aa8c55dadd86d6a60ea9e0ffbadad51edb5e7e36
+      url: "https://pub.dev"
     source: hosted
     version: "9.2.0"
   http:
     dependency: "direct main"
     description:
       name: http
-      url: "https://pub.dartlang.org"
+      sha256: "6aa2946395183537c8b880962d935877325d6a09a2867c3970c05c0fed6ac482"
+      url: "https://pub.dev"
     source: hosted
     version: "0.13.5"
   http_multi_server:
     dependency: transitive
     description:
       name: http_multi_server
-      url: "https://pub.dartlang.org"
+      sha256: "97486f20f9c2f7be8f514851703d0119c3596d14ea63227af6f7a481ef2b2f8b"
+      url: "https://pub.dev"
     source: hosted
     version: "3.2.1"
   http_parser:
     dependency: transitive
     description:
       name: http_parser
-      url: "https://pub.dartlang.org"
+      sha256: "2aa08ce0341cc9b354a498388e30986515406668dbcc4f7c950c3e715496693b"
+      url: "https://pub.dev"
     source: hosted
     version: "4.0.2"
   io:
     dependency: transitive
     description:
       name: io
-      url: "https://pub.dartlang.org"
+      sha256: "0d4c73c3653ab85bf696d51a9657604c900a370549196a91f33e4c39af760852"
+      url: "https://pub.dev"
     source: hosted
     version: "1.0.3"
   js:
     dependency: transitive
     description:
       name: js
-      url: "https://pub.dartlang.org"
+      sha256: "5528c2f391ededb7775ec1daa69e65a2d61276f7552de2b5f7b8d34ee9fd4ab7"
+      url: "https://pub.dev"
     source: hosted
     version: "0.6.5"
   lints:
     dependency: "direct dev"
     description:
       name: lints
-      url: "https://pub.dartlang.org"
+      sha256: "5e4a9cd06d447758280a8ac2405101e0e2094d2a1dbdd3756aec3fe7775ba593"
+      url: "https://pub.dev"
     source: hosted
     version: "2.0.1"
   logging:
     dependency: transitive
     description:
       name: logging
-      url: "https://pub.dartlang.org"
+      sha256: c0bbfe94d46aedf9b8b3e695cf3bd48c8e14b35e3b2c639e0aa7755d589ba946
+      url: "https://pub.dev"
     source: hosted
     version: "1.1.0"
   matcher:
     dependency: transitive
     description:
       name: matcher
-      url: "https://pub.dartlang.org"
+      sha256: c94db23593b89766cda57aab9ac311e3616cf87c6fa4e9749df032f66f30dcb8
+      url: "https://pub.dev"
     source: hosted
-    version: "0.12.13"
+    version: "0.12.14"
   meta:
     dependency: transitive
     description:
       name: meta
-      url: "https://pub.dartlang.org"
+      sha256: "6c268b42ed578a53088d834796959e4a1814b5e9e164f147f580a386e5decf42"
+      url: "https://pub.dev"
     source: hosted
     version: "1.8.0"
   mime:
     dependency: transitive
     description:
       name: mime
-      url: "https://pub.dartlang.org"
+      sha256: "52e38f7e1143ef39daf532117d6b8f8f617bf4bcd6044ed8c29040d20d269630"
+      url: "https://pub.dev"
     source: hosted
     version: "1.0.3"
   node_preamble:
     dependency: transitive
     description:
       name: node_preamble
-      url: "https://pub.dartlang.org"
+      sha256: "8ebdbaa3b96d5285d068f80772390d27c21e1fa10fb2df6627b1b9415043608d"
+      url: "https://pub.dev"
     source: hosted
     version: "2.0.1"
   package_config:
     dependency: transitive
     description:
       name: package_config
-      url: "https://pub.dartlang.org"
+      sha256: "1c5b77ccc91e4823a5af61ee74e6b972db1ef98c2ff5a18d3161c982a55448bd"
+      url: "https://pub.dev"
     source: hosted
     version: "2.1.0"
   path:
     dependency: "direct main"
     description:
       name: path
-      url: "https://pub.dartlang.org"
+      sha256: "8829d8a55c13fc0e37127c29fedf290c102f4e40ae94ada574091fe0ff96c917"
+      url: "https://pub.dev"
     source: hosted
     version: "1.8.3"
   pool:
     dependency: transitive
     description:
       name: pool
-      url: "https://pub.dartlang.org"
+      sha256: "20fe868b6314b322ea036ba325e6fc0711a22948856475e2c2b6306e8ab39c2a"
+      url: "https://pub.dev"
     source: hosted
     version: "1.5.1"
   pub_semver:
     dependency: transitive
     description:
       name: pub_semver
-      url: "https://pub.dartlang.org"
+      sha256: "307de764d305289ff24ad257ad5c5793ce56d04947599ad68b3baa124105fc17"
+      url: "https://pub.dev"
     source: hosted
     version: "2.1.3"
   shelf:
     dependency: transitive
     description:
       name: shelf
-      url: "https://pub.dartlang.org"
+      sha256: c24a96135a2ccd62c64b69315a14adc5c3419df63b4d7c05832a346fdb73682c
+      url: "https://pub.dev"
     source: hosted
     version: "1.4.0"
   shelf_packages_handler:
     dependency: transitive
     description:
       name: shelf_packages_handler
-      url: "https://pub.dartlang.org"
+      sha256: aef74dc9195746a384843102142ab65b6a4735bb3beea791e63527b88cc83306
+      url: "https://pub.dev"
     source: hosted
     version: "3.0.1"
   shelf_static:
     dependency: transitive
     description:
       name: shelf_static
-      url: "https://pub.dartlang.org"
+      sha256: e792b76b96a36d4a41b819da593aff4bdd413576b3ba6150df5d8d9996d2e74c
+      url: "https://pub.dev"
     source: hosted
     version: "1.1.1"
   shelf_web_socket:
     dependency: transitive
     description:
       name: shelf_web_socket
-      url: "https://pub.dartlang.org"
+      sha256: a988c0e8d8ffbdb8a28aa7ec8e449c260f3deb808781fe1284d22c5bba7156e8
+      url: "https://pub.dev"
     source: hosted
     version: "1.0.3"
   source_map_stack_trace:
     dependency: transitive
     description:
       name: source_map_stack_trace
-      url: "https://pub.dartlang.org"
+      sha256: "84cf769ad83aa6bb61e0aa5a18e53aea683395f196a6f39c4c881fb90ed4f7ae"
+      url: "https://pub.dev"
     source: hosted
     version: "2.1.1"
   source_maps:
     dependency: transitive
     description:
       name: source_maps
-      url: "https://pub.dartlang.org"
+      sha256: "490098075234dcedb83c5d949b4c93dad5e6b7702748de000be2b57b8e6b2427"
+      url: "https://pub.dev"
     source: hosted
     version: "0.10.11"
   source_span:
     dependency: transitive
     description:
       name: source_span
-      url: "https://pub.dartlang.org"
+      sha256: dd904f795d4b4f3b870833847c461801f6750a9fa8e61ea5ac53f9422b31f250
+      url: "https://pub.dev"
     source: hosted
     version: "1.9.1"
   stack_trace:
     dependency: "direct main"
     description:
       name: stack_trace
-      url: "https://pub.dartlang.org"
+      sha256: c3c7d8edb15bee7f0f74debd4b9c5f3c2ea86766fe4178eb2a18eb30a0bdaed5
+      url: "https://pub.dev"
     source: hosted
     version: "1.11.0"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
-      url: "https://pub.dartlang.org"
+      sha256: "83615bee9045c1d322bbbd1ba209b7a749c2cbcdcb3fdd1df8eb488b3279c1c8"
+      url: "https://pub.dev"
     source: hosted
     version: "2.1.1"
   string_scanner:
     dependency: transitive
     description:
       name: string_scanner
-      url: "https://pub.dartlang.org"
+      sha256: "556692adab6cfa87322a115640c11f13cb77b3f076ddcc5d6ae3c20242bedcde"
+      url: "https://pub.dev"
     source: hosted
     version: "1.2.0"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
-      url: "https://pub.dartlang.org"
+      sha256: a29248a84fbb7c79282b40b8c72a1209db169a2e0542bce341da992fe1bc7e84
+      url: "https://pub.dev"
     source: hosted
     version: "1.2.1"
   test:
     dependency: "direct main"
     description:
       name: test
-      url: "https://pub.dartlang.org"
+      sha256: "98403d1090ac0aa9e33dfc8bf45cc2e0c1d5c58d7cb832cee1e50bf14f37961d"
+      url: "https://pub.dev"
     source: hosted
     version: "1.22.1"
   test_api:
     dependency: transitive
     description:
       name: test_api
-      url: "https://pub.dartlang.org"
+      sha256: c9282698e2982b6c3817037554e52f99d4daba493e8028f8112a83d68ccd0b12
+      url: "https://pub.dev"
     source: hosted
     version: "0.4.17"
   test_core:
     dependency: transitive
     description:
       name: test_core
-      url: "https://pub.dartlang.org"
+      sha256: c9e4661a5e6285b795d47ba27957ed8b6f980fc020e98b218e276e88aff02168
+      url: "https://pub.dev"
     source: hosted
     version: "0.4.21"
   typed_data:
     dependency: transitive
     description:
       name: typed_data
-      url: "https://pub.dartlang.org"
+      sha256: "26f87ade979c47a150c9eaab93ccd2bebe70a27dc0b4b29517f2904f04eb11a5"
+      url: "https://pub.dev"
     source: hosted
     version: "1.3.1"
   vm_service:
     dependency: transitive
     description:
       name: vm_service
-      url: "https://pub.dartlang.org"
+      sha256: e7fb6c2282f7631712b69c19d1bff82f3767eea33a2321c14fa59ad67ea391c7
+      url: "https://pub.dev"
     source: hosted
     version: "9.4.0"
   watcher:
     dependency: transitive
     description:
       name: watcher
-      url: "https://pub.dartlang.org"
+      sha256: "6a7f46926b01ce81bfc339da6a7f20afbe7733eff9846f6d6a5466aa4c6667c0"
+      url: "https://pub.dev"
     source: hosted
     version: "1.0.2"
   web_socket_channel:
     dependency: transitive
     description:
       name: web_socket_channel
-      url: "https://pub.dartlang.org"
+      sha256: "3a969ddcc204a3e34e863d204b29c0752716f78b6f9cc8235083208d268a4ccd"
+      url: "https://pub.dev"
     source: hosted
     version: "2.2.0"
   webkit_inspection_protocol:
     dependency: transitive
     description:
       name: webkit_inspection_protocol
-      url: "https://pub.dartlang.org"
+      sha256: "67d3a8b6c79e1987d19d848b0892e582dbb0c66c57cc1fef58a177dd2aa2823d"
+      url: "https://pub.dev"
     source: hosted
     version: "1.2.0"
   yaml:
     dependency: transitive
     description:
       name: yaml
-      url: "https://pub.dartlang.org"
+      sha256: "23812a9b125b48d4007117254bca50abb6c712352927eece9e155207b1db2370"
+      url: "https://pub.dev"
     source: hosted
     version: "3.1.1"
 sdks:
-  dart: ">=2.18.0 <3.0.0"
+  dart: ">=2.18.0 <4.0.0"