# Upgrade to v6

{% hint style="warning" %}
Please be sure of your agent type and version and pick the right documentation accordingly.
{% endhint %}

{% tabs %}
{% tab title="Node.js" %}
{% hint style="danger" %}
This is the documentation of the `forest-express-sequelize` and `forest-express-mongoose` Node.js agents that will soon reach end-of-support.

`forest-express-sequelize` v9 and `forest-express-mongoose` v9 are replaced by [`@forestadmin/agent`](https://docs.forestadmin.com/developer-guide-agents-nodejs/) v1.

Please check your agent type and version and read on or switch to the right documentation.
{% endhint %}
{% endtab %}

{% tab title="Ruby on Rails" %}
{% hint style="success" %}
This is still the latest Ruby on Rails documentation of the `forest_liana` agent, you’re at the right place, please read on.
{% endhint %}
{% endtab %}

{% tab title="Python" %}
{% hint style="danger" %}
This is the documentation of the `django-forestadmin` Django agent that will soon reach end-of-support.

If you’re using a Django agent, notice that `django-forestadmin` v1 is replaced by [`forestadmin-agent-django`](https://docs.forestadmin.com/developer-guide-agents-python) v1.

If you’re using a Flask agent, go to the [`forestadmin-agent-flask`](https://docs.forestadmin.com/developer-guide-agents-python) v1 documentation.

Please check your agent type and version and read on or switch to the right documentation.
{% endhint %}
{% endtab %}

{% tab title="PHP" %}
{% hint style="danger" %}
This is the documentation of the `forestadmin/laravel-forestadmin` Laravel agent that will soon reach end-of-support.

If you’re using a Laravel agent, notice that `forestadmin/laravel-forestadmin` v1 is replaced by [`forestadmin/laravel-forestadmin`](https://docs.forestadmin.com/developer-guide-agents-php) v3.

If you’re using a Symfony agent, go to the [`forestadmin/symfony-forestadmin`](https://docs.forestadmin.com/developer-guide-agents-php) v1 documentation.

Please check your agent type and version and read on or switch to the right documentation.
{% endhint %}
{% endtab %}
{% endtabs %}

## Upgrade to v6

### Upgrading to v6

{% hint style="danger" %}
Before upgrading to v6, consider the below **breaking changes**.
{% endhint %}

{% hint style="warning" %}
As for any dependency upgrade, it's very important to **test this upgrade** **in your testing environments**. Not doing so could result in your admin panel being unusable.
{% endhint %}

To upgrade to v6, simply run:

{% tabs %}
{% tab title="SQL" %}

```bash
npm install forest-express-sequelize@^6.0.0
```

{% endtab %}

{% tab title="Mongodb" %}

```bash
npm install forest-express-mongoose@^6.0.0
```

{% endtab %}
{% endtabs %}

{% hint style="info" %}
In case of a regression introduced in Production after the upgrade, a rollback to your previous agent is the fastest way to restore your admin panel.
{% endhint %}

### Breaking changes

#### Agent initialization

The agent initialization now **returns a promise**. This solves an issue wherein exposed agents were not yet initialized and thus returning 404s.

You must update the following 2 files:

{% code title="middlewares/forestadmin.js (lines 6-7)" %}

```javascript
// BEFORE
module.exports = function (app) {
  app.use(Liana.init({

// AFTER
module.exports = async function (app) {
  app.use(await Liana.init({
```

{% endcode %}

{% code title="app.js (line 56)" %}

```javascript
// BEFORE
resolve: Module => new Module(app),

// AFTER
resolve: Module => Module(app),
```

{% endcode %}

#### Select all feature

This version also introduces the new Select all behavior. Once you've updated your **bulk** Smart Actions according to the below changes, you'll be able to choose between selecting **all** the records or only those displayed on the current page.

{% code title="/routes/companies.js" %}

```javascript
// BEFORE
router.post('/actions/mark-as-live', permissionMiddlewareCreator.smartAction(), (req, res) => {
  let companyId = req.body.data.attributes.ids[0];

  return companies
    .update({ status: 'live' }, { where: { id: companyId }})
    .then(() => {
      res.send({ success: 'Company is now live!' });
    });
});

// AFTER
import { RecordsGetter } from "forest-express-sequelize";

...

router.post('/actions/mark-as-live', permissionMiddlewareCreator.smartAction(), (req, res) => {
  return new RecordsGetter(companies).getIdsFromRequest(req)
    .then((companyIds) => {
      return companies
        .update({ status: 'live' }, { where: { id: companyIds }})
        .then(() => {
          res.send({ success: 'Company is now live!' });
        });
    });
});
```

{% endcode %}

{% hint style="warning" %}
If you altered the default DELETE behavior by overriding or extending it, you'll have to do so as well with the new [BULK DELETE route](/documentation/reference-guide/routes/default-routes.md#delete-a-list-of-records).
{% endhint %}

### Important Notice

#### Changelogs

This release note covers only the major changes. To learn more, please refer to the changelogs in our different repositories:

* [Express-sequelize changelog](https://github.com/ForestAdmin/forest-express-sequelize/blob/master/CHANGELOG.md#release-600---2020-03-17)
* [Express-mongoose changelog](https://github.com/ForestAdmin/forest-express-mongoose/blob/master/CHANGELOG.md#release-600---2020-03-17)


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.forestadmin.com/documentation/extra-help/maintain/upgrade-notes-sql-mongodb/upgrade-to-v6.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.