diff --git a/compatibility-suite/pact-compatibility-suite/features/V3/generators.feature b/compatibility-suite/pact-compatibility-suite/features/V3/generators.feature
index 96c51ba32..13aa7bb20 100644
--- a/compatibility-suite/pact-compatibility-suite/features/V3/generators.feature
+++ b/compatibility-suite/pact-compatibility-suite/features/V3/generators.feature
@@ -69,21 +69,3 @@ Feature: V3 era Generators
       | file: basic.json | boolean-generator.json |
     When the request is prepared for use
     Then the body value for "$.one" will have been replaced with a "boolean"
-
-  Scenario: Supports a Provider State generator
-    Given a request configured with the following generators:
-      | body             | generators                   |
-      | file: basic.json | providerstate-generator.json |
-    And the generator test mode is set as "Provider"
-    When the request is prepared for use with a "providerState" context:
-      | { "id": 1000 } |
-    Then the body value for "$.one" will have been replaced with "1000"
-
-  Scenario: Supports a Mock server URL generator
-    Given a request configured with the following generators:
-      | body             | generators                   |
-      | file: basic.json | mockserver-generator.json |
-    And the generator test mode is set as "Consumer"
-    When the request is prepared for use with a "mockServer" context:
-      | { "href": "http://somewhere.world" } |
-    Then the body value for "$.one" will have been replaced with "http://somewhere.world/a"
diff --git a/compatibility-suite/pact-compatibility-suite/features/V4/generators.feature b/compatibility-suite/pact-compatibility-suite/features/V4/generators.feature
new file mode 100644
index 000000000..d9abdbf54
--- /dev/null
+++ b/compatibility-suite/pact-compatibility-suite/features/V4/generators.feature
@@ -0,0 +1,47 @@
+Feature: V4 era Generators
+
+  Scenario: Supports a Provider State generator
+    Given a request configured with the following generators:
+      | body             | generators                   |
+      | file: basic.json | providerstate-generator.json |
+    And the generator test mode is set as "Provider"
+    When the request is prepared for use with a "providerState" context:
+      | { "id": 1000 } |
+    Then the body value for "$.one" will have been replaced with "1000"
+
+  Scenario: Supports a Mock server URL generator
+    Given a request configured with the following generators:
+      | body             | generators                   |
+      | file: basic.json | mockserver-generator.json |
+    And the generator test mode is set as "Consumer"
+    When the request is prepared for use with a "mockServer" context:
+      | { "href": "http://somewhere.world" } |
+    Then the body value for "$.one" will have been replaced with "http://somewhere.world/a"
+
+  Scenario: Supports a simple UUID generator
+    Given a request configured with the following generators:
+      | body             | generators                 |
+      | file: basic.json | uuid-generator-simple.json |
+    When the request is prepared for use
+    Then the body value for "$.one" will have been replaced with a "simple UUID"
+
+  Scenario: Supports a lower-case-hyphenated UUID generator
+    Given a request configured with the following generators:
+      | body             | generators                                |
+      | file: basic.json | uuid-generator-lower-case-hyphenated.json |
+    When the request is prepared for use
+    Then the body value for "$.one" will have been replaced with a "lower-case-hyphenated UUID"
+
+  Scenario: Supports a upper-case-hyphenated UUID generator
+    Given a request configured with the following generators:
+      | body             | generators                                |
+      | file: basic.json | uuid-generator-upper-case-hyphenated.json |
+    When the request is prepared for use
+    Then the body value for "$.one" will have been replaced with a "upper-case-hyphenated UUID"
+
+  Scenario: Supports a URN UUID generator
+    Given a request configured with the following generators:
+      | body             | generators                                |
+      | file: basic.json | uuid-generator-urn.json |
+    When the request is prepared for use
+    Then the body value for "$.one" will have been replaced with a "URN UUID"
diff --git a/compatibility-suite/pact-compatibility-suite/features/V4/matching_rules.feature b/compatibility-suite/pact-compatibility-suite/features/V4/matching_rules.feature
index 839c0ef09..60cdde92a 100644
--- a/compatibility-suite/pact-compatibility-suite/features/V4/matching_rules.feature
+++ b/compatibility-suite/pact-compatibility-suite/features/V4/matching_rules.feature
@@ -92,3 +92,66 @@ Feature: V4 era Matching Rules
     Then the comparison should NOT be OK
     And the mismatches will contain a mismatch with error "$.one" -> "Expected '1.0' (String) to be a semantic version"
     And the mismatches will contain a mismatch with error "$.two" -> "Expected '1.0abc' (String) to be a semantic version"
+
+  Scenario: Supports an EachKey matcher (positive case)
+    Given an expected request configured with the following:
+      | body             | matching rules          |
+      | file: basic.json | eachkey-matcher-v4.json |
+    And a request is received with the following:
+      | body                                                        |
+      | JSON: { "one": "a", "two": "b", "three": "c", "four": "d" } |
+    When the request is compared to the expected one
+    Then the comparison should be OK
+
+  Scenario: Supports an EachKey matcher (negative case)
+    Given an expected request configured with the following:
+      | body             | matching rules         |
+      | file: basic.json | eachkey-matcher-v4.json |
+    And a request is received with the following:
+      | body                                                       |
+      | JSON: { "one": "a", "two": "b", "three": "c", "100": "d" } |
+    When the request is compared to the expected one
+    Then the comparison should NOT be OK
+    And the mismatches will contain a mismatch with error "$[100]" -> "Expected '100' to match '[a-z]+"
+
+  Scenario: Supports an EachValue matcher (positive case)
+    Given an expected request configured with the following:
+      | body             | matching rules            |
+      | file: basic.json | eachvalue-matcher-v4.json |
+    And a request is received with the following:
+      | body                                                         |
+      | JSON: { "one": "a", "three": "b", "four": "c", "five": "d" } |
+    When the request is compared to the expected one
+    Then the comparison should be OK
+
+  Scenario: Supports a EachValue matcher (negative case)
+    Given an expected request configured with the following:
+      | body             | matching rules            |
+      | file: basic.json | eachvalue-matcher-v4.json |
+    And a request is received with the following:
+      | body                                                         |
+      | JSON: { "one": "", "two": "b", "three": "c", "four": "100" } |
+    When the request is compared to the expected one
+    Then the comparison should NOT be OK
+    And the mismatches will contain a mismatch with error "$.four" -> "Expected '100' to match '[a-z]+"
+
+  Scenario: Supports an ArrayContains matcher (positive case)
+    Given an expected request configured with the following:
+      | content type               | body             | matching rules                |
+      | application/vnd.siren+json | file: siren.json | arraycontains-matcher-v4.json |
+    And a request is received with the following:
+      | content type               | body              |
+      | application/vnd.siren+json | file: siren2.json |
+    When the request is compared to the expected one
+    Then the comparison should be OK
+
+  Scenario: Supports a ArrayContains matcher (negative case)
+    Given an expected request configured with the following:
+      | content type               | body             | matching rules                |
+      | application/vnd.siren+json | file: siren.json | arraycontains-matcher-v4.json |
+    And a request is received with the following:
+      | content type               | body              |
+      | application/vnd.siren+json | file: siren3.json |
+    When the request is compared to the expected one
+    Then the comparison should NOT be OK
+    And the mismatches will contain a mismatch with error "$.actions" -> "Variant at index 1 ({\"href\":\"http://api.x.io/orders/42/items\",\"method\":\"DELETE\",\"name\":\"delete-item\",\"title\":\"Delete Item\"}) was not found in the actual list"
diff --git a/compatibility-suite/pact-compatibility-suite/fixtures/arraycontains-matcher-v4.json b/compatibility-suite/pact-compatibility-suite/fixtures/arraycontains-matcher-v4.json
new file mode 100644
index 000000000..662b46484
--- /dev/null
+++ b/compatibility-suite/pact-compatibility-suite/fixtures/arraycontains-matcher-v4.json
@@ -0,0 +1,78 @@
+{
+  "body": {
+    "$.actions": {
+      "combine": "AND",
+      "matchers": [
+        {
+          "match": "arrayContains",
+          "variants": [
+            {
+              "generators": {},
+              "index": 0,
+              "rules": {
+                "$.name": {
+                  "combine": "AND",
+                  "matchers": [
+                    {
+                      "match": "regex",
+                      "regex": "add\\-item"
+                    }
+                  ]
+                },
+                "$.method": {
+                  "combine": "AND",
+                  "matchers": [
+                    {
+                      "match": "regex",
+                      "regex": "POST"
+                    }
+                  ]
+                },
+                "$.*": {
+                  "combine": "AND",
+                  "matchers": [
+                    {
+                      "match": "type"
+                    }
+                  ]
+                }
+              }
+            },
+            {
+              "generators": { },
+              "index": 1,
+              "rules": {
+                "$.name": {
+                  "combine": "AND",
+                  "matchers": [
+                    {
+                      "match": "regex",
+                      "regex": "delete\\-item"
+                    }
+                  ]
+                },
+                "$.method": {
+                  "combine": "AND",
+                  "matchers": [
+                    {
+                      "match": "regex",
+                      "regex": "DELETE"
+                    }
+                  ]
+                },
+                "$.*": {
+                  "combine": "AND",
+                  "matchers": [
+                    {
+                      "match": "type"
+                    }
+                  ]
+                }
+              }
+            }
+          ]
+        }
+      ]
+    }
+  }
+}
diff --git a/compatibility-suite/pact-compatibility-suite/fixtures/eachkey-matcher-v4.json b/compatibility-suite/pact-compatibility-suite/fixtures/eachkey-matcher-v4.json
new file mode 100644
index 000000000..4a0a3c9a7
--- /dev/null
+++ b/compatibility-suite/pact-compatibility-suite/fixtures/eachkey-matcher-v4.json
@@ -0,0 +1,19 @@
+{
+  "body": {
+    "$": {
+      "combine": "AND",
+      "matchers": [
+        {
+          "match": "eachKey",
+          "rules": [
+            {
+              "match": "regex",
+              "regex": "[a-z]+"
+            }
+          ],
+          "value": "one"
+        }
+      ]
+    }
+  }
+}
diff --git a/compatibility-suite/pact-compatibility-suite/fixtures/eachvalue-matcher-v4.json b/compatibility-suite/pact-compatibility-suite/fixtures/eachvalue-matcher-v4.json
new file mode 100644
index 000000000..e56c933a6
--- /dev/null
+++ b/compatibility-suite/pact-compatibility-suite/fixtures/eachvalue-matcher-v4.json
@@ -0,0 +1,19 @@
+{
+  "body": {
+    "$": {
+      "combine": "AND",
+      "matchers": [
+        {
+          "match": "eachValue",
+          "rules": [
+            {
+              "match": "regex",
+              "regex": "[a-z]+"
+            }
+          ],
+          "value": "one"
+        }
+      ]
+    }
+  }
+}
diff --git a/compatibility-suite/pact-compatibility-suite/fixtures/siren.json b/compatibility-suite/pact-compatibility-suite/fixtures/siren.json
new file mode 100644
index 000000000..d2d5fccdf
--- /dev/null
+++ b/compatibility-suite/pact-compatibility-suite/fixtures/siren.json
@@ -0,0 +1,65 @@
+{
+  "class": [
+    "order"
+  ],
+  "properties": {
+    "orderNumber": 42,
+    "itemCount": 3,
+    "status": "pending"
+  },
+  "entities": [
+    {
+      "class": [
+        "items",
+        "collection"
+      ],
+      "rel": [ "http://x.io/rels/order-items" ],
+      "href": "http://api.x.io/orders/42/items"
+    },
+    {
+      "class": [
+        "info",
+        "customer"
+      ],
+      "rel": [ "http://x.io/rels/customer" ],
+      "properties": {
+        "customerId": "pj123",
+        "name": "Peter Joseph"
+      },
+      "links": [
+        {
+          "rel": [ "self" ],
+          "href": "http://api.x.io/customers/pj123"
+        }
+      ]
+    }
+  ],
+  "actions": [
+    {
+      "name": "add-item",
+      "title": "Add Item",
+      "method": "POST",
+      "href": "http://api.x.io/orders/42/items"
+    },
+    {
+      "name": "delete-item",
+      "title": "Delete Item",
+      "method": "DELETE",
+      "href": "http://api.x.io/orders/42/items"
+    }
+  ],
+  "links": [
+    {
+      "rel": [ "self" ],
+      "href": "http://api.x.io/orders/42"
+    },
+    {
+      "rel": [ "previous" ],
+      "href": "http://api.x.io/orders/41"
+    },
+    {
+      "rel": [ "next" ],
+      "href": "http://api.x.io/orders/43"
+    }
+  ]
+}
diff --git a/compatibility-suite/pact-compatibility-suite/fixtures/siren2.json b/compatibility-suite/pact-compatibility-suite/fixtures/siren2.json
new file mode 100644
index 000000000..e367e0d10
--- /dev/null
+++ b/compatibility-suite/pact-compatibility-suite/fixtures/siren2.json
@@ -0,0 +1,71 @@
+{
+  "class": [
+    "order"
+  ],
+  "properties": {
+    "orderNumber": 42,
+    "itemCount": 3,
+    "status": "pending"
+  },
+  "entities": [
+    {
+      "class": [
+        "items",
+        "collection"
+      ],
+      "rel": [ "http://x.io/rels/order-items" ],
+      "href": "http://api.x.io/orders/42/items"
+    },
+    {
+      "class": [
+        "info",
+        "customer"
+      ],
+      "rel": [ "http://x.io/rels/customer" ],
+      "properties": {
+        "customerId": "pj123",
+        "name": "Peter Joseph"
+      },
+      "links": [
+        {
+          "rel": [ "self" ],
+          "href": "http://api.x.io/customers/pj123"
+        }
+      ]
+    }
+  ],
+  "actions": [
+    {
+      "name": "delete-item",
+      "title": "Delete Item",
+      "method": "DELETE",
+      "href": "http://api.x.io/orders/42/items"
+    },
+    {
+      "name": "add-item",
+      "title": "Add Item",
+      "method": "POST",
+      "href": "http://api.x.io/orders/42/items"
+    },
+    {
+      "name": "update-item",
+      "title": "Update Item",
+      "method": "PUT",
+      "href": "http://api.x.io/orders/42/items"
+    }
+  ],
+  "links": [
+    {
+      "rel": [ "self" ],
+      "href": "http://api.x.io/orders/42"
+    },
+    {
+      "rel": [ "previous" ],
+      "href": "http://api.x.io/orders/41"
+    },
+    {
+      "rel": [ "next" ],
+      "href": "http://api.x.io/orders/43"
+    }
+  ]
+}
diff --git a/compatibility-suite/pact-compatibility-suite/fixtures/siren3.json b/compatibility-suite/pact-compatibility-suite/fixtures/siren3.json
new file mode 100644
index 000000000..9be0f11ad
--- /dev/null
+++ b/compatibility-suite/pact-compatibility-suite/fixtures/siren3.json
@@ -0,0 +1,65 @@
+{
+  "class": [
+    "order"
+  ],
+  "properties": {
+    "orderNumber": 42,
+    "itemCount": 3,
+    "status": "pending"
+  },
+  "entities": [
+    {
+      "class": [
+        "items",
+        "collection"
+      ],
+      "rel": [ "http://x.io/rels/order-items" ],
+      "href": "http://api.x.io/orders/42/items"
+    },
+    {
+      "class": [
+        "info",
+        "customer"
+      ],
+      "rel": [ "http://x.io/rels/customer" ],
+      "properties": {
+        "customerId": "pj123",
+        "name": "Peter Joseph"
+      },
+      "links": [
+        {
+          "rel": [ "self" ],
+          "href": "http://api.x.io/customers/pj123"
+        }
+      ]
+    }
+  ],
+  "actions": [
+    {
+      "name": "add-item",
+      "title": "Add Item",
+      "method": "POST",
+      "href": "http://api.x.io/orders/42/items"
+    },
+    {
+      "name": "update-item",
+      "title": "Update Item",
+      "method": "PUT",
+      "href": "http://api.x.io/orders/42/items"
+    }
+  ],
+  "links": [
+    {
+      "rel": [ "self" ],
+      "href": "http://api.x.io/orders/42"
+    },
+    {
+      "rel": [ "previous" ],
+      "href": "http://api.x.io/orders/41"
+    },
+    {
+      "rel": [ "next" ],
+      "href": "http://api.x.io/orders/43"
+    }
+  ]
+}
diff --git a/compatibility-suite/pact-compatibility-suite/fixtures/uuid-generator-lower-case-hyphenated.json b/compatibility-suite/pact-compatibility-suite/fixtures/uuid-generator-lower-case-hyphenated.json
new file mode 100644
index 000000000..a340be1f2
--- /dev/null
+++ b/compatibility-suite/pact-compatibility-suite/fixtures/uuid-generator-lower-case-hyphenated.json
@@ -0,0 +1,5 @@
+{
+  "body": {
+    "$.one": { "type": "Uuid", "format": "lower-case-hyphenated" }
+  }
+}
diff --git a/compatibility-suite/pact-compatibility-suite/fixtures/uuid-generator-simple.json b/compatibility-suite/pact-compatibility-suite/fixtures/uuid-generator-simple.json
new file mode 100644
index 000000000..0b38e158e
--- /dev/null
+++ b/compatibility-suite/pact-compatibility-suite/fixtures/uuid-generator-simple.json
@@ -0,0 +1,5 @@
+{
+  "body": {
+    "$.one": { "type": "Uuid", "format": "simple" }
+  }
+}
diff --git a/compatibility-suite/pact-compatibility-suite/fixtures/uuid-generator-upper-case-hyphenated.json b/compatibility-suite/pact-compatibility-suite/fixtures/uuid-generator-upper-case-hyphenated.json
new file mode 100644
index 000000000..1239ac116
--- /dev/null
+++ b/compatibility-suite/pact-compatibility-suite/fixtures/uuid-generator-upper-case-hyphenated.json
@@ -0,0 +1,5 @@
+{
+  "body": {
+    "$.one": { "type": "Uuid", "format": "upper-case-hyphenated" }
+  }
+}
diff --git a/compatibility-suite/pact-compatibility-suite/fixtures/uuid-generator-urn.json b/compatibility-suite/pact-compatibility-suite/fixtures/uuid-generator-urn.json
new file mode 100644
index 000000000..51417f827
--- /dev/null
+++ b/compatibility-suite/pact-compatibility-suite/fixtures/uuid-generator-urn.json
@@ -0,0 +1,5 @@
+{
+  "body": {
+    "$.one": { "type": "Uuid", "format": "URN" }
+  }
+}