diff --git a/package.json b/package.json
index 3439bb2a..fcd52c33 100644
--- a/package.json
+++ b/package.json
@@ -67,6 +67,7 @@
     "react-height": "^2.0.0",
     "react-hot-loader": "1.3.1",
     "react-immutable-proptypes": "2.1.0",
+    "react-immutable-pure-component": "^1.1.1",
     "react-markdown": "^2.5.0",
     "react-motion": "^0.5.2",
     "react-object-inspector": "0.2.1",
diff --git a/src/core/components/array-model.jsx b/src/core/components/array-model.jsx
index 0eec9b01..725c0918 100644
--- a/src/core/components/array-model.jsx
+++ b/src/core/components/array-model.jsx
@@ -1,5 +1,6 @@
 import React, { Component } from "react"
 import PropTypes from "prop-types"
+import ImPropTypes from "react-immutable-proptypes"
 
 const propStyle = { color: "#999", fontStyle: "italic" }
 
@@ -12,7 +13,7 @@ export default class ArrayModel extends Component {
     name: PropTypes.string,
     required: PropTypes.bool,
     expandDepth: PropTypes.number,
-    specPath: PropTypes.array.isRequired,
+    specPath: ImPropTypes.list.isRequired,
     depth: PropTypes.number
   }
 
@@ -48,7 +49,17 @@ export default class ArrayModel extends Component {
             !description ? null :
               <Markdown source={ description } />
           }
-          <span><Model { ...this.props } getConfigs={ getConfigs } specPath={[...specPath, "items"]} name={null} schema={ items } required={ false } depth={ depth + 1 } /></span>
+          <span>
+            <Model
+              { ...this.props }
+              getConfigs={ getConfigs }
+              specPath={specPath.push("items")}
+              name={null}
+              schema={ items }
+              required={ false }
+              depth={ depth + 1 }
+            />
+          </span>
         ]
       </ModelCollapse>
     </span>
diff --git a/src/core/components/model-example.jsx b/src/core/components/model-example.jsx
index 13db4f20..e7d13ada 100644
--- a/src/core/components/model-example.jsx
+++ b/src/core/components/model-example.jsx
@@ -1,5 +1,6 @@
 import React from "react"
 import PropTypes from "prop-types"
+import ImPropTypes from "react-immutable-proptypes"
 
 export default class ModelExample extends React.Component {
   static propTypes = {
@@ -9,7 +10,7 @@ export default class ModelExample extends React.Component {
     example: PropTypes.any.isRequired,
     isExecute: PropTypes.bool,
     getConfigs: PropTypes.func.isRequired,
-    specPath: PropTypes.array.isRequired,
+    specPath: ImPropTypes.list.isRequired,
   }
 
   constructor(props, context) {
diff --git a/src/core/components/model.jsx b/src/core/components/model.jsx
index 836b9f3e..ca5b23c3 100644
--- a/src/core/components/model.jsx
+++ b/src/core/components/model.jsx
@@ -1,8 +1,9 @@
-import React, { PureComponent } from "react"
+import React from "react"
+import ImmutablePureComponent from "react-immutable-pure-component"
 import ImPropTypes from "react-immutable-proptypes"
 import PropTypes from "prop-types"
 
-export default class Model extends PureComponent {
+export default class Model extends ImmutablePureComponent {
   static propTypes = {
     schema: ImPropTypes.orderedMap.isRequired,
     getComponent: PropTypes.func.isRequired,
@@ -13,7 +14,7 @@ export default class Model extends PureComponent {
     required: PropTypes.bool,
     expandDepth: PropTypes.number,
     depth: PropTypes.number,
-    specPath: PropTypes.array.isRequired,
+    specPath: ImPropTypes.list.isRequired,
   }
 
   getModelName =( ref )=> {
diff --git a/src/core/components/models.jsx b/src/core/components/models.jsx
index 18af3acd..1bd14a77 100644
--- a/src/core/components/models.jsx
+++ b/src/core/components/models.jsx
@@ -1,4 +1,5 @@
 import React, { Component } from "react"
+import Im from "immutable"
 import PropTypes from "prop-types"
 
 export default class Models extends Component {
@@ -20,7 +21,7 @@ export default class Models extends Component {
     const specPathBase = specSelectors.isOAS3() ? ["components", "schemas"] : ["definitions"]
 
     const ModelWrapper = getComponent("ModelWrapper")
-    const Collapse = getComponent("Collapse")    
+    const Collapse = getComponent("Collapse")
 
     return <section className={ showModels ? "models is-open" : "models"}>
       <h4 onClick={() => layoutActions.show("models", !showModels)}>
@@ -37,7 +38,7 @@ export default class Models extends Component {
               <ModelWrapper name={ name }
                      expandDepth={ defaultModelsExpandDepth }
                      schema={ model }
-                     specPath={[...specPathBase, name]}
+                     specPath={Im.List([...specPathBase, name])}
                      getComponent={ getComponent }
                      specSelectors={ specSelectors }
                      getConfigs = {getConfigs}
diff --git a/src/core/components/object-model.jsx b/src/core/components/object-model.jsx
index 619e9a95..fb77f560 100644
--- a/src/core/components/object-model.jsx
+++ b/src/core/components/object-model.jsx
@@ -1,6 +1,7 @@
 import React, { Component, } from "react"
 import PropTypes from "prop-types"
 import { List } from "immutable"
+import ImPropTypes from "react-immutable-proptypes"
 
 const braceOpen = "{"
 const braceClose = "}"
@@ -17,7 +18,7 @@ export default class ObjectModel extends Component {
     isRef: PropTypes.bool,
     expandDepth: PropTypes.number,
     depth: PropTypes.number,
-    specPath: PropTypes.object.isRequired
+    specPath: ImPropTypes.list.isRequired
   }
 
   render(){
@@ -102,7 +103,7 @@ export default class ObjectModel extends Component {
                           <Model key={ `object-${name}-${key}_${value}` } { ...otherProps }
                                  required={ isRequired }
                                  getComponent={ getComponent }
-                                 specPath={[...specPath, "properties", key]}
+                                 specPath={specPath.push("properties", key)}
                                  getConfigs={ getConfigs }
                                  schema={ value }
                                  depth={ depth + 1 } />
@@ -141,7 +142,7 @@ export default class ObjectModel extends Component {
                     <td>
                       <Model { ...otherProps } required={ false }
                              getComponent={ getComponent }
-                             specPath={[...specPath, "additionalProperties"]}
+                             specPath={specPath.push("additionalProperties")}
                              getConfigs={ getConfigs }
                              schema={ additionalProperties }
                              depth={ depth + 1 } />
@@ -156,7 +157,7 @@ export default class ObjectModel extends Component {
                       {anyOf.map((schema, k) => {
                         return <div key={k}><Model { ...otherProps } required={ false }
                                  getComponent={ getComponent }
-                                 specPath={[...specPath, "anyOf", k]}
+                                 specPath={specPath.push("anyOf", k)}
                                  getConfigs={ getConfigs }
                                  schema={ schema }
                                  depth={ depth + 1 } /></div>
@@ -172,7 +173,7 @@ export default class ObjectModel extends Component {
                       {oneOf.map((schema, k) => {
                         return <div key={k}><Model { ...otherProps } required={ false }
                                  getComponent={ getComponent }
-                                 specPath={[...specPath, "oneOf", k]}
+                                 specPath={specPath.push("oneOf", k)}
                                  getConfigs={ getConfigs }
                                  schema={ schema }
                                  depth={ depth + 1 } /></div>
@@ -189,7 +190,7 @@ export default class ObjectModel extends Component {
                         <Model { ...otherProps }
                                required={ false }
                                getComponent={ getComponent }
-                               specPath={[...specPath, "not"]}
+                               specPath={specPath.push("not")}
                                getConfigs={ getConfigs }
                                schema={ not }
                                depth={ depth + 1 } />
diff --git a/src/core/components/operation.jsx b/src/core/components/operation.jsx
index 7063cf22..c7a6b194 100644
--- a/src/core/components/operation.jsx
+++ b/src/core/components/operation.jsx
@@ -2,11 +2,12 @@ import React, { PureComponent } from "react"
 import PropTypes from "prop-types"
 import { getList } from "core/utils"
 import { getExtensions, sanitizeUrl } from "core/utils"
-import { Iterable } from "immutable"
+import { Iterable, List } from "immutable"
+import ImPropTypes from "react-immutable-proptypes"
 
 export default class Operation extends PureComponent {
   static propTypes = {
-    specPath: PropTypes.array.isRequired,
+    specPath: ImPropTypes.list.isRequired,
     operation: PropTypes.instanceOf(Iterable).isRequired,
     response: PropTypes.instanceOf(Iterable),
     request: PropTypes.instanceOf(Iterable),
@@ -33,7 +34,7 @@ export default class Operation extends PureComponent {
     operation: null,
     response: null,
     request: null,
-    specPath: []
+    specPath: List()
   }
 
   render() {
@@ -174,7 +175,7 @@ export default class Operation extends PureComponent {
 
               <Parameters
                 parameters={parameters}
-                specPath={[...specPath, "parameters"]}
+                specPath={specPath.push("parameters")}
                 operation={operation}
                 onChangeKey={onChangeKey}
                 onTryoutClick = { onTryoutClick }
@@ -248,7 +249,7 @@ export default class Operation extends PureComponent {
                     specActions={ specActions }
                     produces={ produces }
                     producesValue={ operation.get("produces_value") }
-                    specPath={[...specPath, "responses"]}
+                    specPath={specPath.push("responses")}
                     path={ path }
                     method={ method }
                     displayRequestDuration={ displayRequestDuration }
diff --git a/src/core/components/operations.jsx b/src/core/components/operations.jsx
index 6500587e..ec2c574b 100644
--- a/src/core/components/operations.jsx
+++ b/src/core/components/operations.jsx
@@ -1,5 +1,6 @@
 import React from "react"
 import PropTypes from "prop-types"
+import Im from "immutable"
 import { createDeepLinkPath, sanitizeUrl } from "core/utils"
 
 const SWAGGER2_OPERATION_METHODS = [
@@ -119,7 +120,7 @@ export default class Operations extends React.Component {
                       operations.map( op => {
                         const path = op.get("path")
                         const method = op.get("method")
-                        const specPath = ["paths", path, method]
+                        const specPath = Im.List(["paths", path, method])
 
 
                         // FIXME: (someday) this logic should probably be in a selector,
diff --git a/src/core/components/parameter-row.jsx b/src/core/components/parameter-row.jsx
index d4792cd7..82b0eee5 100644
--- a/src/core/components/parameter-row.jsx
+++ b/src/core/components/parameter-row.jsx
@@ -1,6 +1,7 @@
 import React, { Component } from "react"
 import { Map } from "immutable"
 import PropTypes from "prop-types"
+import ImPropTypes from "react-immutable-proptypes"
 import win from "core/window"
 import { getExtensions } from "core/utils"
 
@@ -15,7 +16,7 @@ export default class ParameterRow extends Component {
     specSelectors: PropTypes.object.isRequired,
     pathMethod: PropTypes.array.isRequired,
     getConfigs: PropTypes.func.isRequired,
-    specPath: PropTypes.array.isRequired,
+    specPath: ImPropTypes.list.isRequired
   }
 
   constructor(props, context) {
@@ -139,7 +140,7 @@ export default class ParameterRow extends Component {
 
           {
             bodyParam && schema ? <ModelExample getComponent={ getComponent }
-                                                specPath={[...specPath, "schema"]}
+                                                specPath={specPath.push("schema")}
                                                 getConfigs={ getConfigs }
                                                 isExecute={ isExecute }
                                                 specSelectors={ specSelectors }
diff --git a/src/core/components/parameters.jsx b/src/core/components/parameters.jsx
index b6286787..c1c6ded3 100644
--- a/src/core/components/parameters.jsx
+++ b/src/core/components/parameters.jsx
@@ -21,7 +21,7 @@ export default class Parameters extends Component {
     onChangeKey: PropTypes.array,
     pathMethod: PropTypes.array.isRequired,
     getConfigs: PropTypes.func.isRequired,
-    specPath: PropTypes.array.isRequired,
+    specPath: ImPropTypes.list.isRequired,
   }
 
 
@@ -98,7 +98,7 @@ export default class Parameters extends Component {
                   eachMap(parameters, (parameter, i) => (
                     <ParameterRow
                       fn={ fn }
-                      specPath={[...specPath, i]}
+                      specPath={specPath.push(i.toString())}
                       getComponent={ getComponent }
                       getConfigs={ getConfigs }
                       param={ parameter }
diff --git a/src/core/components/response.jsx b/src/core/components/response.jsx
index 97c323d6..cb05c47b 100644
--- a/src/core/components/response.jsx
+++ b/src/core/components/response.jsx
@@ -1,7 +1,8 @@
 import React from "react"
 import PropTypes from "prop-types"
+import ImPropTypes from "react-immutable-proptypes"
 import cx from "classnames"
-import { fromJS, Seq, Iterable } from "immutable"
+import { fromJS, Seq, Iterable, List } from "immutable"
 import { getSampleSchema, fromJSOrdered } from "core/utils"
 
 const getExampleComponent = ( sampleResponse, examples, HighlightCode ) => {
@@ -47,7 +48,7 @@ export default class Response extends React.Component {
     getComponent: PropTypes.func.isRequired,
     getConfigs: PropTypes.func.isRequired,
     specSelectors: PropTypes.object.isRequired,
-    specPath: PropTypes.array.isRequired,
+    specPath: ImPropTypes.list.isRequired,
     fn: PropTypes.object.isRequired,
     contentType: PropTypes.string,
     controlsAcceptHeader: PropTypes.bool,
@@ -99,7 +100,7 @@ export default class Response extends React.Component {
     var schema, specPathWithPossibleSchema
 
     if(isOAS3()) {
-      const schemaPath = ["content", this.state.responseContentType, "schema"]
+      const schemaPath = List(["content", this.state.responseContentType, "schema"])
       const oas3SchemaForContentType = response.getIn(schemaPath)
       sampleResponse = oas3SchemaForContentType ? getSampleSchema(oas3SchemaForContentType.toJS(), this.state.responseContentType, {
         includeReadOnly: true
@@ -108,7 +109,7 @@ export default class Response extends React.Component {
       specPathWithPossibleSchema = oas3SchemaForContentType ? schemaPath : specPath
     } else {
       schema = inferSchema(response.toJS()) // TODO: don't convert back and forth. Lets just stick with immutable for inferSchema
-      specPathWithPossibleSchema = response.has("schema") ? [...specPath, "schema"] : specPath
+      specPathWithPossibleSchema = response.has("schema") ? specPath.push("schema") : specPath
       sampleResponse = schema ? getSampleSchema(schema, contentType, {
         includeReadOnly: true,
         includeWriteOnly: true // writeOnly has no filtering effect in swagger 2.0
diff --git a/src/core/components/responses.jsx b/src/core/components/responses.jsx
index 43affdcf..397a2c75 100644
--- a/src/core/components/responses.jsx
+++ b/src/core/components/responses.jsx
@@ -1,6 +1,7 @@
 import React from "react"
-import PropTypes from "prop-types"
 import { fromJS, Iterable } from "immutable"
+import PropTypes from "prop-types"
+import ImPropTypes from "react-immutable-proptypes"
 import { defaultStatusCode, getAcceptControllingResponse } from "core/utils"
 
 export default class Responses extends React.Component {
@@ -17,7 +18,7 @@ export default class Responses extends React.Component {
     specSelectors: PropTypes.object.isRequired,
     specActions: PropTypes.object.isRequired,
     oas3Actions: PropTypes.object.isRequired,
-    specPath: PropTypes.array.isRequired,
+    specPath: ImPropTypes.list.isRequired,
     fn: PropTypes.object.isRequired
   }
 
@@ -120,7 +121,7 @@ export default class Responses extends React.Component {
                   let className = tryItOutResponse && tryItOutResponse.get("status") == code ? "response_current" : ""
                   return (
                     <Response key={ code }
-                              specPath={[...specPath, code]}
+                              specPath={specPath.push(code)}
                               isDefault={defaultCode === code}
                               fn={fn}
                               className={ className }
diff --git a/src/core/containers/OperationContainer.jsx b/src/core/containers/OperationContainer.jsx
index e378757c..dae2b735 100644
--- a/src/core/containers/OperationContainer.jsx
+++ b/src/core/containers/OperationContainer.jsx
@@ -1,5 +1,6 @@
 import React, { PureComponent } from "react"
 import PropTypes from "prop-types"
+import ImPropTypes from "react-immutable-proptypes"
 import { helpers } from "swagger-client"
 import { Iterable, fromJS } from "immutable"
 
@@ -31,8 +32,7 @@ export default class OperationContainer extends PureComponent {
     request: PropTypes.instanceOf(Iterable),
     security: PropTypes.instanceOf(Iterable),
     isDeepLinkingEnabled: PropTypes.bool.isRequired,
-    specPath: PropTypes.array.isRequired,
-
+    specPath: ImPropTypes.list.isRequired,
     getComponent: PropTypes.func.isRequired,
     authActions: PropTypes.object,
     oas3Actions: PropTypes.object,
diff --git a/src/core/plugins/oas3/components/request-body.jsx b/src/core/plugins/oas3/components/request-body.jsx
index 1010d696..cf4a67bd 100644
--- a/src/core/plugins/oas3/components/request-body.jsx
+++ b/src/core/plugins/oas3/components/request-body.jsx
@@ -38,7 +38,7 @@ const RequestBody = ({
       expandDepth={1}
       isExecute={isExecute}
       schema={mediaTypeValue.get("schema")}
-      specPath={[...specPath, "content", contentType]}
+      specPath={specPath.push("content", contentType)}
       example={<RequestBodyEditor
         requestBody={requestBody}
         onChange={onChange}
diff --git a/src/core/plugins/oas3/wrap-components/parameters.jsx b/src/core/plugins/oas3/wrap-components/parameters.jsx
index 957efb4a..04671cfd 100644
--- a/src/core/plugins/oas3/wrap-components/parameters.jsx
+++ b/src/core/plugins/oas3/wrap-components/parameters.jsx
@@ -29,7 +29,7 @@ class Parameters extends Component {
     fn: PropTypes.object.isRequired,
     tryItOutEnabled: PropTypes.bool,
     allowTryItOut: PropTypes.bool,
-    specPath: PropTypes.array.isRequired,
+    specPath: ImPropTypes.list.isRequired,
     onTryoutClick: PropTypes.func,
     onCancelClick: PropTypes.func,
     onChangeKey: PropTypes.array,
@@ -107,7 +107,7 @@ class Parameters extends Component {
     const { isOAS3 } = specSelectors
 
     const requestBody = operation.get("requestBody")
-    const requestBodySpecPath = [...specPath.slice(0, -1), "requestBody"] // remove the "parameters" part
+    const requestBodySpecPath = specPath.slice(0, -1).push("requestBody") // remove the "parameters" part
 
     return (
       <div className="opblock-section">
@@ -143,7 +143,7 @@ class Parameters extends Component {
                     eachMap(parameters, (parameter, i) => (
                       <ParameterRow fn={ fn }
                         getComponent={ getComponent }
-                        specPath={[...specPath, i]}
+                        specPath={specPath.push(i)}
                         getConfigs={ getConfigs }
                         param={ parameter }
                         key={ parameter.get( "name" ) }
diff --git a/test/components/object-model.js b/test/components/object-model.js
index 640eedf7..9a9388fd 100644
--- a/test/components/object-model.js
+++ b/test/components/object-model.js
@@ -1,7 +1,7 @@
 import React from "react"
 import expect from "expect"
 import { shallow } from "enzyme"
-import { fromJS } from "immutable"
+import { fromJS, List } from "immutable"
 import ObjectModel from "components/object-model"
 import ModelExample from "components/model-example"
 import Immutable from "immutable"
@@ -25,7 +25,7 @@ describe("<ObjectModel />", function() {
         }
       },
       isRef : false,
-      specPath: [],
+      specPath: List(),
       schema: Immutable.fromJS(
         {
           "properties": {