diff --git a/.github/workflows/lint-and-test.yml b/.github/workflows/lint-and-test.yml
index 9ae4b7ba5..ad1f72cfc 100644
--- a/.github/workflows/lint-and-test.yml
+++ b/.github/workflows/lint-and-test.yml
@@ -34,7 +34,7 @@ jobs:
 
       - uses: actions/setup-go@v3
         with:
-          go-version: 1.17
+          go-version: '1.20'
 
       - name: Clone ulixee/shared
         run: git clone https://github.com/ulixee/shared.git
diff --git a/client/connections/ConnectionToHeroCore.ts b/client/connections/ConnectionToHeroCore.ts
index 16574b9ab..440346e0d 100644
--- a/client/connections/ConnectionToHeroCore.ts
+++ b/client/connections/ConnectionToHeroCore.ts
@@ -4,6 +4,7 @@ import ICoreConfigureOptions from '@ulixee/hero-interfaces/ICoreConfigureOptions
 import { ConnectionToCore, WsTransportToCore } from '@ulixee/net';
 import ICoreListenerPayload from '@ulixee/hero-interfaces/ICoreListenerPayload';
 import ITransportToCore from '@ulixee/net/interfaces/ITransportToCore';
+import addGlobalInstance from '@ulixee/commons/lib/addGlobalInstance';
 import ICoreCommandRequestPayload from '@ulixee/hero-interfaces/ICoreCommandRequestPayload';
 import DisconnectedError from '@ulixee/net/errors/DisconnectedError';
 import ICoreResponsePayload from '@ulixee/net/interfaces/ICoreResponsePayload';
@@ -147,3 +148,5 @@ export default class ConnectionToHeroCore extends ConnectionToCore<any, {}> {
     return host;
   }
 }
+
+addGlobalInstance(ConnectionToHeroCore);
diff --git a/client/lib/CoreSession.ts b/client/lib/CoreSession.ts
index a56013c87..c9cb3ea6a 100644
--- a/client/lib/CoreSession.ts
+++ b/client/lib/CoreSession.ts
@@ -3,6 +3,7 @@ import ISessionMeta from '@ulixee/hero-interfaces/ISessionMeta';
 import { IJsPath } from '@ulixee/js-path';
 import { loggerSessionIdNames } from '@ulixee/commons/lib/Logger';
 import IHeroMeta from '@ulixee/hero-interfaces/IHeroMeta';
+import addGlobalInstance from '@ulixee/commons/lib/addGlobalInstance';
 import * as readline from 'readline';
 import { ReadLine } from 'readline';
 import { CanceledPromiseError } from '@ulixee/commons/interfaces/IPendingWaitEvent';
@@ -154,10 +155,7 @@ export default class CoreSession
     return await this.commandQueue.run('Session.getDetachedElements', sessionId, name);
   }
 
-  public async getDetachedResources(
-    sessionId: string,
-    name: string,
-  ): Promise<IDetachedResource[]> {
+  public async getDetachedResources(sessionId: string, name: string): Promise<IDetachedResource[]> {
     return await this.commandQueue.run('Session.getDetachedResources', sessionId, name);
   }
 
@@ -270,3 +268,5 @@ export default class CoreSession
     this.cliPrompt.prompt(true);
   }
 }
+
+addGlobalInstance(CoreSession);
diff --git a/client/lib/Hero.ts b/client/lib/Hero.ts
index ea8928a51..85740fff2 100644
--- a/client/lib/Hero.ts
+++ b/client/lib/Hero.ts
@@ -5,6 +5,7 @@ import SuperDocument from '@ulixee/awaited-dom/impl/super-klasses/SuperDocument'
 import IDomStorage from '@ulixee/unblocked-specification/agent/browser/IDomStorage';
 import IUserProfile from '@ulixee/hero-interfaces/IUserProfile';
 import { IRequestInit } from '@ulixee/awaited-dom/base/interfaces/official';
+import addGlobalInstance from '@ulixee/commons/lib/addGlobalInstance';
 import Response from '@ulixee/awaited-dom/impl/official-klasses/Response';
 import {
   ISuperElement,
@@ -724,6 +725,8 @@ export default class Hero extends AwaitedEventTarget<IHeroEvents> {
   }
 }
 
+addGlobalInstance(Hero);
+
 async function getCoreFrameForInteractions(
   interactions: IInteractions,
 ): Promise<CoreFrameEnvironment> {
diff --git a/client/lib/Tab.ts b/client/lib/Tab.ts
index 3d18366b5..77d8a8b26 100644
--- a/client/lib/Tab.ts
+++ b/client/lib/Tab.ts
@@ -1,8 +1,13 @@
 import StateMachine from '@ulixee/awaited-dom/base/StateMachine';
-import { ISuperElement, ISuperNode, ISuperNodeList } from '@ulixee/awaited-dom/base/interfaces/super';
+import {
+  ISuperElement,
+  ISuperNode,
+  ISuperNodeList,
+} from '@ulixee/awaited-dom/base/interfaces/super';
 import { IRequestInit } from '@ulixee/awaited-dom/base/interfaces/official';
 import SuperDocument from '@ulixee/awaited-dom/impl/super-klasses/SuperDocument';
 import Storage from '@ulixee/awaited-dom/impl/official-klasses/Storage';
+import addGlobalInstance from '@ulixee/commons/lib/addGlobalInstance';
 import CSSStyleDeclaration from '@ulixee/awaited-dom/impl/official-klasses/CSSStyleDeclaration';
 import Request from '@ulixee/awaited-dom/impl/official-klasses/Request';
 import {
@@ -394,6 +399,8 @@ export default class Tab extends AwaitedEventTarget<IEventType> {
   }
 }
 
+addGlobalInstance(Tab);
+
 export function getCoreTab(tab: Tab): Promise<CoreTab> {
   return tab[InternalPropertiesSymbol].coreTabPromise.then(x => {
     if (x instanceof Error) throw x;
diff --git a/core/lib/CommandRunner.ts b/core/lib/CommandRunner.ts
index f5b7288d3..5e9c5d14a 100644
--- a/core/lib/CommandRunner.ts
+++ b/core/lib/CommandRunner.ts
@@ -13,7 +13,7 @@ export default class CommandRunner {
         return;
       }
 
-      throw new Error(`Target for command not available (${targetName})`);
+      throw new Error(`Target for command not available (${targetName}:${method})`);
     }
 
     if (!targets[targetName].isAllowedCommand(method)) {
diff --git a/core/lib/InjectedScripts.ts b/core/lib/InjectedScripts.ts
index fb8785c19..196355444 100644
--- a/core/lib/InjectedScripts.ts
+++ b/core/lib/InjectedScripts.ts
@@ -1,7 +1,6 @@
 import * as fs from 'fs';
 import { IPage } from '@ulixee/unblocked-specification/agent/browser/IPage';
 import { stringifiedTypeSerializerClass } from '@ulixee/commons/lib/TypeSerializer';
-import { IFrame } from '@ulixee/unblocked-specification/agent/browser/IFrame';
 import IDevtoolsSession from '@ulixee/unblocked-specification/agent/browser/IDevtoolsSession';
 
 const pageScripts = {
diff --git a/examples/example.org.ts b/examples/example.org.ts
index f8171ee58..b20cb9ba9 100644
--- a/examples/example.org.ts
+++ b/examples/example.org.ts
@@ -1,5 +1,4 @@
-import Hero from '@ulixee/hero';
-import { LocationTrigger } from '@ulixee/unblocked-specification/agent/browser/Location';
+import Hero, { LocationTrigger } from '@ulixee/hero';
 
 // NOTE: You need to start a Ulixee Miner to run this example
 async function run() {