diff --git a/e2e/integration/menu.e2e.ts b/e2e/integration/menu.e2e.ts
index e1b053d125..fc703b6c12 100644
--- a/e2e/integration/menu.e2e.ts
+++ b/e2e/integration/menu.e2e.ts
@@ -6,7 +6,7 @@ describe('Menu', () => {
   it('should have valid items count', () => {
     cy.get('.menu-content')
       .find('li')
-      .should('have.length', 34);
+      .should('have.length', 33);
   });
 
   it('should sync active menu items while scroll', () => {
diff --git a/package-lock.json b/package-lock.json
index 35abf30297..7183d16929 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1222,9 +1222,9 @@
       }
     },
     "@redocly/openapi-core": {
-      "version": "1.0.0-beta.44",
-      "resolved": "https://registry.npmjs.org/@redocly/openapi-core/-/openapi-core-1.0.0-beta.44.tgz",
-      "integrity": "sha512-9HNnh1MzvMsLK1liuidFBqWiAsZ2Yg3RY58fcEsy0QruSMdDbn7SoeI1qnXe6O+BkBS+vAP4oVzZDMHCMKGsOQ==",
+      "version": "1.0.0-beta.46",
+      "resolved": "https://registry.npmjs.org/@redocly/openapi-core/-/openapi-core-1.0.0-beta.46.tgz",
+      "integrity": "sha512-w4VG2KNLFDuZgN7fBmbzbI0GJDiPnJ0SYszj4uuSkMW35SVTvDWyTaeWjW8ggQJ3gluDnTgUvm9tjLdR2tLqUg==",
       "requires": {
         "@redocly/ajv": "^6.12.3",
         "@types/node": "^14.11.8",
@@ -1238,9 +1238,9 @@
       },
       "dependencies": {
         "@types/node": {
-          "version": "14.14.37",
-          "resolved": "https://registry.npmjs.org/@types/node/-/node-14.14.37.tgz",
-          "integrity": "sha512-XYmBiy+ohOR4Lh5jE379fV2IU+6Jn4g5qASinhitfyO71b/sCo6MKsMLF5tc7Zf2CE8hViVQyYSobJNke8OvUw=="
+          "version": "14.17.0",
+          "resolved": "https://registry.npmjs.org/@types/node/-/node-14.17.0.tgz",
+          "integrity": "sha512-w8VZUN/f7SSbvVReb9SWp6cJFevxb4/nkG65yLAya//98WgocKm5PLDAtSs5CtJJJM+kHmJjO/6mmYW4MHShZA=="
         }
       }
     },
diff --git a/package.json b/package.json
index 7f80c432f0..d8fe29a448 100644
--- a/package.json
+++ b/package.json
@@ -134,7 +134,7 @@
     "styled-components": "^4.1.1 || ^5.1.1"
   },
   "dependencies": {
-    "@redocly/openapi-core": "^1.0.0-beta.44",
+    "@redocly/openapi-core": "^1.0.0-beta.45",
     "@redocly/react-dropdown-aria": "^2.0.11",
     "@types/node": "^13.11.1",
     "classnames": "^2.2.6",
diff --git a/src/common-elements/fields.ts b/src/common-elements/fields.ts
index de7c651329..c8d0df1b0d 100644
--- a/src/common-elements/fields.ts
+++ b/src/common-elements/fields.ts
@@ -61,11 +61,6 @@ export const RecursiveLabel = styled(FieldLabel)`
   font-size: 13px;
 `;
 
-export const NullableLabel = styled(FieldLabel)`
-  color: #0e7c86;
-  font-size: 13px;
-`;
-
 export const PatternLabel = styled(FieldLabel)`
   color: #0e7c86;
   &::before,
diff --git a/src/components/Fields/EnumValues.tsx b/src/components/Fields/EnumValues.tsx
index 978426f665..d10f9f692a 100644
--- a/src/components/Fields/EnumValues.tsx
+++ b/src/components/Fields/EnumValues.tsx
@@ -8,7 +8,7 @@ import { RedocRawOptions } from '../../services/RedocNormalizedOptions';
 
 export interface EnumValuesProps {
   values: string[];
-  type: string;
+  type: string | string[];
 }
 
 export interface EnumValuesState {
diff --git a/src/components/Fields/FieldDetails.tsx b/src/components/Fields/FieldDetails.tsx
index 980eff4fb3..ac362a4059 100644
--- a/src/components/Fields/FieldDetails.tsx
+++ b/src/components/Fields/FieldDetails.tsx
@@ -1,7 +1,6 @@
 import * as React from 'react';
 
 import {
-  NullableLabel,
   PatternLabel,
   RecursiveLabel,
   TypeFormat,
@@ -79,7 +78,6 @@ export class FieldDetails extends React.PureComponent<FieldProps, { patternShown
           )}
           {schema.title && !hideSchemaTitles && <TypeTitle> ({schema.title}) </TypeTitle>}
           <ConstraintsView constraints={schema.constraints} />
-          {schema.nullable && <NullableLabel> {l('nullable')} </NullableLabel>}
           {schema.pattern && !hideSchemaPattern && (
             <>
               <PatternLabel>
diff --git a/src/components/Redoc/Redoc.tsx b/src/components/Redoc/Redoc.tsx
index 2b43e77d0a..a3d0eef7cd 100644
--- a/src/components/Redoc/Redoc.tsx
+++ b/src/components/Redoc/Redoc.tsx
@@ -39,7 +39,7 @@ export class Redoc extends React.Component<RedocProps> {
     const store = this.props.store;
     return (
       <ThemeProvider theme={options.theme}>
-        <StoreProvider value={this.props.store}>
+        <StoreProvider value={store}>
           <OptionsProvider value={options}>
             <RedocWrap className="redoc-wrap">
               <StickyResponsiveSidebar menu={menu} className="menu-content">
diff --git a/src/components/__tests__/__snapshots__/DiscriminatorDropdown.test.tsx.snap b/src/components/__tests__/__snapshots__/DiscriminatorDropdown.test.tsx.snap
index 745c4cad4c..f660e397d3 100644
--- a/src/components/__tests__/__snapshots__/DiscriminatorDropdown.test.tsx.snap
+++ b/src/components/__tests__/__snapshots__/DiscriminatorDropdown.test.tsx.snap
@@ -29,7 +29,6 @@ exports[`Components SchemaView discriminator should correctly render discriminat
             "format": undefined,
             "isCircular": undefined,
             "isPrimitive": true,
-            "nullable": false,
             "options": "<<<filtered>>>",
             "pattern": undefined,
             "pointer": "#/components/schemas/Dog/properties/packSize",
@@ -79,7 +78,6 @@ exports[`Components SchemaView discriminator should correctly render discriminat
             "format": undefined,
             "isCircular": undefined,
             "isPrimitive": true,
-            "nullable": false,
             "options": "<<<filtered>>>",
             "pattern": undefined,
             "pointer": "#/components/schemas/Dog/properties/type",
diff --git a/src/services/Labels.ts b/src/services/Labels.ts
index c3568eb1ef..f5fa1fd14a 100644
--- a/src/services/Labels.ts
+++ b/src/services/Labels.ts
@@ -6,7 +6,6 @@ export interface LabelsConfig {
   deprecated: string;
   example: string;
   examples: string;
-  nullable: string;
   recursive: string;
   arrayOf: string;
   webhook: string;
@@ -22,7 +21,6 @@ const labels: LabelsConfig = {
   deprecated: 'Deprecated',
   example: 'Example',
   examples: 'Examples',
-  nullable: 'Nullable',
   recursive: 'Recursive',
   arrayOf: 'Array of ',
   webhook: 'Event',
diff --git a/src/services/MenuBuilder.ts b/src/services/MenuBuilder.ts
index 339ba6cf18..69e2cc619f 100644
--- a/src/services/MenuBuilder.ts
+++ b/src/services/MenuBuilder.ts
@@ -222,8 +222,8 @@ export class MenuBuilder {
     }
 
     getTags(spec.paths);
-    if (spec['x-webhooks']) {
-      getTags(spec['x-webhooks'], true);
+    if (spec.webhooks) {
+      getTags(spec.webhooks, true);
     }
 
     function getTags(paths: OpenAPIPaths, isWebhook?: boolean) {
diff --git a/src/services/models/Schema.ts b/src/services/models/Schema.ts
index e6fbe4345d..fb0c516442 100644
--- a/src/services/models/Schema.ts
+++ b/src/services/models/Schema.ts
@@ -25,7 +25,7 @@ import { l } from '../Labels';
 export class SchemaModel {
   pointer: string;
 
-  type: string;
+  type: string | string[];
   displayType: string;
   typePrefix: string = '';
   title: string;
@@ -77,11 +77,6 @@ export class SchemaModel {
     this.pointer = schemaOrRef.$ref || pointer || '';
     this.rawSchema = parser.deref(schemaOrRef);
 
-    if (Array.isArray(this.rawSchema.type)) {
-      this.rawSchema.oneOf = this.rawSchema.type.map( type => ({type}));
-      delete this.rawSchema.type;
-    }
-
     this.schema = parser.mergeAllOf(this.rawSchema, this.pointer, isChild);
 
     this.init(parser, isChild);
@@ -110,9 +105,8 @@ export class SchemaModel {
     this.title =
       schema.title || (isNamedDefinition(this.pointer) && JsonPointer.baseName(this.pointer)) || '';
     this.description = schema.description || '';
-    this.type = schema.type || detectType(schema);
+    this.type = (Array.isArray(schema.type) && schema.type) || (schema.type || detectType(schema));
     this.format = schema.format;
-    this.nullable = !!schema.nullable;
     this.enum = schema.enum || [];
     this.example = schema.example;
     this.deprecated = !!schema.deprecated;
@@ -120,13 +114,19 @@ export class SchemaModel {
     this.externalDocs = schema.externalDocs;
 
     this.constraints = humanizeConstraints(schema);
-    this.displayType = Array.isArray(this.type) ? this.type.join(' or ') : this.type;
     this.displayFormat = this.format;
     this.isPrimitive = isPrimitiveType(schema, this.type);
     this.default = schema.default;
     this.readOnly = !!schema.readOnly;
     this.writeOnly = !!schema.writeOnly;
 
+    if (!!schema.nullable) {
+      if (Array.isArray(this.type)) this.type.push('null');
+      else this.type = [this.type, 'null'];
+    }
+
+    this.displayType = Array.isArray(this.type) ? this.type.join(' or ') : this.type;
+
     if (this.isCircular) {
       return;
     }
@@ -144,8 +144,7 @@ export class SchemaModel {
     }
 
     if (schema.oneOf !== undefined) {
-      this.nullable = this.nullable || schema.oneOf.some(s => s.type === 'null');
-      this.initOneOf(schema.oneOf.filter(s => s.type !== 'null'), parser);
+      this.initOneOf(schema.oneOf, parser);
       this.oneOfType = 'One of';
       if (schema.anyOf !== undefined) {
         console.warn(
@@ -156,8 +155,7 @@ export class SchemaModel {
     }
 
     if (schema.anyOf !== undefined) {
-      this.nullable = this.nullable || schema.anyOf.some(s => s.type === 'null');
-      this.initOneOf(schema.anyOf.filter(s => s.type !== 'null'), parser);
+      this.initOneOf(schema.anyOf, parser);
       this.oneOfType = 'Any of';
       return;
     }
diff --git a/src/types/open-api.d.ts b/src/types/open-api.d.ts
index 7134890ea0..f235632672 100644
--- a/src/types/open-api.d.ts
+++ b/src/types/open-api.d.ts
@@ -10,6 +10,7 @@ export interface OpenAPISpec {
   tags?: OpenAPITag[];
   externalDocs?: OpenAPIExternalDocumentation;
   'x-webhooks'?: OpenAPIPaths;
+  webhooks?: OpenAPIPaths;
 }
 
 export interface OpenAPIInfo {
@@ -107,7 +108,7 @@ export interface OpenAPIExample {
 
 export interface OpenAPISchema {
   $ref?: string;
-  type?: string;
+  type?: string | string[];
   properties?: { [name: string]: OpenAPISchema };
   additionalProperties?: boolean | OpenAPISchema;
   description?: string;
diff --git a/src/utils/__tests__/openapi.test.ts b/src/utils/__tests__/openapi.test.ts
index 7050f36f16..2045c49e49 100644
--- a/src/utils/__tests__/openapi.test.ts
+++ b/src/utils/__tests__/openapi.test.ts
@@ -174,6 +174,20 @@ describe('Utils', () => {
       expect(isPrimitiveType(schema)).toEqual(false);
     });
 
+    it('Should return false for array of strings', () => {
+      const schema = {
+        type: ['object', 'string'],
+      };
+      expect(isPrimitiveType(schema)).toEqual(false);
+    });
+
+    it('Should return false for array of string which include the null value', () => {
+      const schema = {
+        type: ['object', 'string', 'null'],
+      };
+      expect(isPrimitiveType(schema)).toEqual(false);
+    });
+
     it('Should return false for array with non-empty objects', () => {
       const schema = {
         type: 'array',
diff --git a/src/utils/openapi.ts b/src/utils/openapi.ts
index 71af2572be..ff9c6afd25 100644
--- a/src/utils/openapi.ts
+++ b/src/utils/openapi.ts
@@ -96,7 +96,7 @@ const schemaKeywordTypes = {
 };
 
 export function detectType(schema: OpenAPISchema): string {
-  if (schema.type !== undefined) {
+  if (schema.type !== undefined && !Array.isArray(schema.type)) {
     return schema.type;
   }
   const keywords = Object.keys(schemaKeywordTypes);
@@ -110,7 +110,7 @@ export function detectType(schema: OpenAPISchema): string {
   return 'any';
 }
 
-export function isPrimitiveType(schema: OpenAPISchema, type: string | undefined = schema.type) {
+export function isPrimitiveType(schema: OpenAPISchema, type: string | string[] | undefined = schema.type) {
   if (schema.oneOf !== undefined || schema.anyOf !== undefined) {
     return false;
   }
@@ -128,6 +128,8 @@ export function isPrimitiveType(schema: OpenAPISchema, type: string | undefined
     return false;
   }
 
+  if (Array.isArray(type)) return false
+
   return true;
 }