diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2ac6334a..fad0e7c1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,10 @@
 
 # **Version 3**
 
+- Set explicit peer dependencies: `@rescript/react >= 0.12.1`, `react-relay@16.0.0`, `relay-runtime@16.0.0`.
+- Clean up connection handler generators now that v3 let us use a better representation.
+- Fix issue with default args in connection id makers. https://github.com/zth/rescript-relay/pull/488
+
 # 3.0.0-rc.4
 
 - Fix an error in postinstall.js when reinstalling rescript-relay dependency (https://github.com/zth/rescript-relay/pull/487)
diff --git a/packages/relay b/packages/relay
index 7f64aefe..75130d6e 160000
--- a/packages/relay
+++ b/packages/relay
@@ -1 +1 @@
-Subproject commit 7f64aefe6be1d0a98a8aa6d046270a4e6bf1a020
+Subproject commit 75130d6e6c46bff49b0eed35f7dd7fc215ad2def
diff --git a/packages/rescript-relay/__tests__/Test_connections.res b/packages/rescript-relay/__tests__/Test_connections.res
index 8b7d4d83..82584c42 100644
--- a/packages/rescript-relay/__tests__/Test_connections.res
+++ b/packages/rescript-relay/__tests__/Test_connections.res
@@ -8,7 +8,7 @@ module Fragment = %relay(`
       test: { type: "Boolean", defaultValue: true }
       orderBy: {
         type: "[UserOrder!]"
-        defaultValue: { direction: ASC, field: FIRST_NAME }
+        defaultValue: [{ direction: ASC, field: FIRST_NAME }]
       }
     ) {
     __id
diff --git a/packages/rescript-relay/__tests__/__generated__/TestConnectionsQuery_graphql.res b/packages/rescript-relay/__tests__/__generated__/TestConnectionsQuery_graphql.res
index 17b08a39..9929c3c0 100644
--- a/packages/rescript-relay/__tests__/__generated__/TestConnectionsQuery_graphql.res
+++ b/packages/rescript-relay/__tests__/__generated__/TestConnectionsQuery_graphql.res
@@ -120,10 +120,12 @@ v2 = [
   {
     "kind": "Literal",
     "name": "orderBy",
-    "value": {
-      "direction": "ASC",
-      "field": "FIRST_NAME"
-    }
+    "value": [
+      {
+        "direction": "ASC",
+        "field": "FIRST_NAME"
+      }
+    ]
   },
   {
     "kind": "Literal",
@@ -289,12 +291,12 @@ return {
     ]
   },
   "params": {
-    "cacheID": "50f3883f29e0f3212a4936331f80d098",
+    "cacheID": "289b5b258a2d73bef596bee127410b5e",
     "id": null,
     "metadata": {},
     "name": "TestConnectionsQuery",
     "operationKind": "query",
-    "text": "query TestConnectionsQuery(\n  $beforeDate: Datetime!\n) {\n  loggedInUser {\n    ...TestConnections_user_3xCS8w\n    id\n  }\n}\n\nfragment TestConnections_user_3xCS8w on User {\n  friendsConnection(statuses: [Idle, offline], first: 2, after: \"\", beforeDate: $beforeDate, orderBy: {direction: ASC, field: FIRST_NAME}) {\n    edges {\n      node {\n        id\n        __typename\n      }\n      cursor\n    }\n    pageInfo {\n      endCursor\n      hasNextPage\n    }\n  }\n}\n"
+    "text": "query TestConnectionsQuery(\n  $beforeDate: Datetime!\n) {\n  loggedInUser {\n    ...TestConnections_user_3xCS8w\n    id\n  }\n}\n\nfragment TestConnections_user_3xCS8w on User {\n  friendsConnection(statuses: [Idle, offline], first: 2, after: \"\", beforeDate: $beforeDate, orderBy: [{direction: ASC, field: FIRST_NAME}]) {\n    edges {\n      node {\n        id\n        __typename\n      }\n      cursor\n    }\n    pageInfo {\n      endCursor\n      hasNextPage\n    }\n  }\n}\n"
   }
 };
 })() `)
diff --git a/packages/rescript-relay/__tests__/__generated__/TestConnections_user_graphql.res b/packages/rescript-relay/__tests__/__generated__/TestConnections_user_graphql.res
index aca90c63..1cbf6ffa 100644
--- a/packages/rescript-relay/__tests__/__generated__/TestConnections_user_graphql.res
+++ b/packages/rescript-relay/__tests__/__generated__/TestConnections_user_graphql.res
@@ -51,7 +51,7 @@ let connectionKey = "TestConnections_user_friendsConnection"
 )
 
 @live
-let makeConnectionId = (connectionParentDataId: RescriptRelay.dataId, ~onlineStatuses: array<RelaySchemaAssets_graphql.enum_OnlineStatus>=[Idle, Offline], ~beforeDate: TestsUtils.Datetime.t, ~orderBy: array<RelaySchemaAssets_graphql.input_UserOrder>=Obj.magic({"direction": ASC, "field": FIRST_NAME})) => {
+let makeConnectionId = (connectionParentDataId: RescriptRelay.dataId, ~onlineStatuses: array<RelaySchemaAssets_graphql.enum_OnlineStatus>=[Idle, Offline], ~beforeDate: TestsUtils.Datetime.t, ~orderBy: array<RelaySchemaAssets_graphql.input_UserOrder>=[{direction: ASC, field: FIRST_NAME}]) => {
   let onlineStatuses = Some(onlineStatuses)
   let beforeDate = Some(TestsUtils.Datetime.serialize(beforeDate))
   let orderBy = Some(orderBy)
@@ -110,10 +110,12 @@ let node: operationType = %raw(json` {
       "name": "onlineStatuses"
     },
     {
-      "defaultValue": {
-        "direction": "ASC",
-        "field": "FIRST_NAME"
-      },
+      "defaultValue": [
+        {
+          "direction": "ASC",
+          "field": "FIRST_NAME"
+        }
+      ],
       "kind": "LocalArgument",
       "name": "orderBy"
     },
diff --git a/packages/rescript-relay/package.json b/packages/rescript-relay/package.json
index cef86c42..ec49bf5d 100644
--- a/packages/rescript-relay/package.json
+++ b/packages/rescript-relay/package.json
@@ -40,7 +40,7 @@
   },
   "devDependencies": {
     "@glennsl/rescript-fetch": "^0.2.0",
-    "@rescript/react": "0.12.0",
+    "@rescript/react": "0.12.1",
     "@testing-library/jest-dom": "^5.16.3",
     "@testing-library/react": "^13.0.0-alpha.6",
     "graphql-query-test-mock": "^0.12.1",
@@ -54,8 +54,8 @@
     "rescript": "^11.0.0"
   },
   "peerDependencies": {
-    "@rescript/react": "^0.12.0",
-    "react-relay": ">=16.0.0",
+    "@rescript/react": "^0.12.1",
+    "react-relay": "16.0.0",
     "relay-runtime": "*",
     "rescript": "^11.0.0"
   },
diff --git a/packages/rescript-relay/yarn.lock b/packages/rescript-relay/yarn.lock
index 07c3e8bc..e5bede3c 100644
--- a/packages/rescript-relay/yarn.lock
+++ b/packages/rescript-relay/yarn.lock
@@ -521,10 +521,10 @@
     "@jridgewell/resolve-uri" "^3.0.3"
     "@jridgewell/sourcemap-codec" "^1.4.10"
 
-"@rescript/react@0.12.0":
-  version "0.12.0"
-  resolved "https://registry.yarnpkg.com/@rescript/react/-/react-0.12.0.tgz#d72f0561ec9c4ae04c5db0a752087190ba7d3f40"
-  integrity sha512-EBLsf5rD7sJOjgfLLGwuLw/hONszc3UtYnIVgv7OdTyUNR41/m4deVm62PI0agvr3kWakXz4KchKRSd+19/bRA==
+"@rescript/react@0.12.1":
+  version "0.12.1"
+  resolved "https://registry.yarnpkg.com/@rescript/react/-/react-0.12.1.tgz#7bddb957a1bc08b944c6597f28549ac410982d64"
+  integrity sha512-ZD7nhDr5FZgLYqRH9s4CNM+LRz/3IMuTb+LH12fd2Akk0xYkYUP+DZveB2VQUC2UohJnTf/c8yPSNsiFihVCCg==
 
 "@sinonjs/commons@^1.7.0":
   version "1.8.3"