diff --git a/docs/schema/flagd-definitions.json b/docs/schema/flagd-definitions.json
index 55ae88c7a..ab2e05a86 100644
--- a/docs/schema/flagd-definitions.json
+++ b/docs/schema/flagd-definitions.json
@@ -1,4 +1,5 @@
 {
+  "$id": "flagd.dev/schema/flagd-definitions.json",
   "$schema": "http://json-schema.org/draft-07/schema#",
   "title": "flagd Flag Configuration",
   "description": "Defines flags for use in flagd, including typed variants and rules",
@@ -12,8 +13,6 @@
       "additionalProperties": false,
       "patternProperties": {
         "^.{1,}$": {
-          "$comment": "'unevaluatedProperties': 'false' prevents additional props on a flag (ie: targetting)",
-          "unevaluatedProperties": false,
           "oneOf": [
             {
               "title": "Boolean flag",
@@ -61,7 +60,10 @@
           "title": "Flag State",
           "description": "Indicates whether the flag is functional. Disabled flags are treated as if they don't exist.",
           "type": "string",
-          "enum": ["ENABLED", "DISABLED"]
+          "enum": [
+            "ENABLED",
+            "DISABLED"
+          ]
         },
         "defaultVariant": {
           "title": "Default Variant",
@@ -72,7 +74,10 @@
           "$ref": "./targeting.json#/$defs/targeting"
         }
       },
-      "required": ["state", "defaultVariant"]
+      "required": [
+        "state",
+        "defaultVariant"
+      ]
     },
     "booleanVariants": {
       "type": "object",
diff --git a/docs/schema/targeting.json b/docs/schema/targeting.json
index 2eb317803..8341513fd 100644
--- a/docs/schema/targeting.json
+++ b/docs/schema/targeting.json
@@ -1,4 +1,5 @@
 {
+  "$id": "flagd.dev/schema/targeting.json",
   "$schema": "http://json-schema.org/draft-07/schema#",
   "title": "flagd Targeting",
   "description": "Defines targeting logic for flagd; a extension of JSONLogic, including purpose-built feature-flagging operations.",
@@ -7,7 +8,17 @@
     "targeting": {
       "title": "Targeting",
       "description": "An expression returning a value which is coerced to a string to be used as a targeting key, or null (to fall back to defaultVariant). If targeting returns a value which is not a variant key, it's considered an error.",
-      "$ref": "#/$defs/anyRule"
+      "anyOf": [
+        {
+          "$comment": "we need this to support empty targeting",
+          "type": "object",
+          "additionalProperties": false,
+          "properties": {}
+        },
+        {
+          "$ref": "#/$defs/anyRule"
+        }
+      ]
     },
     "primitive": {
       "oneOf": [
@@ -48,7 +59,29 @@
             },
             {
               "type": "array",
-              "items": [{ "type": "string" }, { "type": {} }]
+              "$comment": "this is to support the form of var with a default... there seems to be a bug here, where ajv gives a warning (not an error) because maxItems doesn't equal the number of entries in items, though this is valid in this case",
+              "minItems": 1,
+              "items": [
+                {
+                  "type": "string"
+                }
+              ],
+              "additionalItems": {
+                "anyOf": [
+                  {
+                    "type": "null"
+                  },
+                  {
+                    "type": "boolean"
+                  },
+                  {
+                    "type": "string"
+                  },
+                  {
+                    "type": "number"
+                  }
+                ]
+              }
             }
           ]
         }
@@ -62,7 +95,9 @@
       "properties": {
         "missing": {
           "type": "array",
-          "items": { "type": "string" }
+          "items": {
+            "type": "string"
+          }
         }
       }
     },
@@ -73,12 +108,18 @@
       "additionalProperties": false,
       "properties": {
         "missing_some": {
+          "minItems": 2,
+          "maxItems": 2,
           "type": "array",
           "items": [
-            { "type": "number" },
+            {
+              "type": "number"
+            },
             {
               "type": "array",
-              "items": { "type": "string" }
+              "items": {
+                "type": "string"
+              }
             }
           ]
         }
@@ -87,14 +128,13 @@
     "ifRule": {
       "type": "object",
       "additionalProperties": false,
-      "minItems": 3,
-      "maxItems": 3,
       "properties": {
         "if": {
           "title": "If Operator",
-          "description": "The if statement takes 3 arguments: a condition (if), what to do if it’s true (then), and what to do if it’s false (else). Note that the form accepting more than 3 arguments (if/else) is not supported in flagd; use nesting instead.",
-
+          "description": "The if statement takes 3 arguments: a condition (if), what to do if its true (then), and what to do if its false (else). Note that the form accepting more than 3 arguments (if/else) is not supported in flagd; use nesting instead.",
           "type": "array",
+          "minItems": 3,
+          "maxItems": 3,
           "items": {
             "$ref": "#/$defs/args"
           }
@@ -259,6 +299,7 @@
       }
     },
     "variadicRule": {
+      "$comment": "note < and <= can be used with up to 3 ops (between)",
       "type": "object",
       "additionalProperties": false,
       "properties": {
@@ -272,7 +313,6 @@
           "description": "Simple boolean test, with 1 or more arguments. At a more sophisticated level, \"and\" returns the first falsy argument, or the last argument.",
           "$ref": "#/$defs/variadicOp"
         },
-        "$comment": "< and <= can be used with up to 3 ops (between)",
         "<": {
           "title": "Less-Than/Between Operation. Can be used to test that one value is between two others.",
           "description": "",
@@ -347,6 +387,7 @@
           "description": "Attribute matches a semantic version condition. Accepts \"npm-style\" range specifiers: \"=\", \"!=\", \">\", \"<\", \">=\", \"<=\", \"~\" (match minor version), \"^\" (match major version).",
           "type": "array",
           "minItems": 3,
+          "maxItems": 3,
           "items": [
             {
               "oneOf": [
@@ -360,7 +401,16 @@
             },
             {
               "description": "Range specifiers: \"=\", \"!=\", \">\", \"<\", \">=\", \"<=\", \"~\" (match minor version), \"^\" (match major version).",
-              "enum": ["=", "!=", ">", "<", ">=", "<=", "~", "^"]
+              "enum": [
+                "=",
+                "!=",
+                ">",
+                "<",
+                ">=",
+                "<=",
+                "~",
+                "^"
+              ]
             },
             {
               "oneOf": [
@@ -386,20 +436,27 @@
         {
           "description": "If this bucket is randomly selected, this string is used to as a key to retrieve the associated value from the \"variants\" object.",
           "type": "string"
+        },
+        {
+          "description": "Weighted distribution for this variant key (must sum to 100).",
+          "type": "number"
         }
-      ],
-      "additionalItems": {
-        "description": "Weighted distribution for this variant key (must sum to 100).",
-        "type": "number"
-      }
+      ]
     },
     "fractionalOp": {
       "type": "array",
       "minItems": 3,
+      "$comment": "there seems to be a bug here, where ajv gives a warning (not an error) because maxItems doesn't equal the number of entries in items, though this is valid in this case",
       "items": [
         {
           "description": "Bucketing value used in pseudorandom assignment; should be unique and stable for each subject of flag evaluation. Defaults to a concatenation of the flagKey and targetingKey.",
           "$ref": "#/$defs/varRule"
+        },
+        {
+          "$ref": "#/$defs/fractionalWeightArg"
+        },
+        {
+          "$ref": "#/$defs/fractionalWeightArg"
         }
       ],
       "additionalItems": {