> For the complete documentation index, see [llms.txt](https://wirebox.ortusbooks.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://wirebox.ortusbooks.com/readme/upgrading-to-wirebox-8.md).

# Upgrading to WireBox 8

The official WireBox 8 upgrade guide

An upgrade from WireBox 7 should not incur any breaking changes, but you should still read through the guide to ensure you are not using any deprecated or removed features.

## ColdFusion 2018-2021 Support Dropped

ColdFusion 2018-2021 support has been dropped. Adobe doesn't support them anymore, so neither do we.

## Removals

### BeanPopulator

The `BeanPopulator` class has been removed. This class was deprecated in ColdBox 6 and was replaced by the `ObjectPopulator` class. Please use `coldbox.system.core.dynamic.ObjectPopulator` instead.

### ColdBox Util Env/System Methods

The following methods were removed in preference to the Environment Delegate class: `coldbox.system.core.delegates.Env`.

```js
/**
* @deprecated Refactor to use the Env Delegate: coldbox.system.core.delegates.Env
*/
function getSystemSetting( required key, defaultValue ){
    return new coldbox.system.core.delegates.Env().getSystemSetting( argumentCollection = arguments );
}

/**
* @deprecated Refactor to use the Env Delegate: coldbox.system.core.delegates.Env
*/
function getSystemProperty( required key, defaultValue ){
    return new coldbox.system.core.delegates.Env().getSystemProperty( argumentCollection = arguments );
}

/**
* @deprecated Refactor to use the Env Delegate: coldbox.system.core.delegates.Env
*/
function getEnv( required key, defaultValue ){
    return new coldbox.system.core.delegates.Env().getEnv( argumentCollection = arguments );
}
```

### Binder.getProperty() `default` Argument Removed

The `default` argument was deprecated in ColdBox 6 and has now been removed. Please use `defaultValue` instead.

### Binder.getCacheBoxConfig() Removed

The `getCacheBoxConfig()` method was deprecated in ColdBox 6 and has now been removed. Please use `getCacheBox()` instead.

### InterceptorService.processState() Removed

The `processState()` method has been removed from the `InterceptorService` ([COLDBOX-1358](https://ortussolutions.atlassian.net/browse/COLDBOX-1358)). This method was deprecated and has now been completely removed.

**Migration:** Use the `announce()` method instead.

```js
// Old way - removed
interceptorService.processState( "myEvent", data );

// New way - use announce()
interceptorService.announce( "myEvent", data );
```

## Deprecations

The following methods were deprecated in WireBox 7 and will be removed in WireBox 9.


---

# Agent Instructions
This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com.

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

Perform an HTTP GET request on the following URL with the `ask` and `goal` query parameters:

```
GET https://wirebox.ortusbooks.com/readme/upgrading-to-wirebox-8.md?ask=<question>&goal=<user_goal>
```

`ask` is the immediate question: it should be specific, self-contained, and written in natural language.
`goal` is what the user is ultimately trying to achieve, the reason they need the answer. Sharing it helps GitBook give you a better, more relevant answer. A goal is most helpful when it describes the outcome the user wants rather than restating the question. For example, with `ask=how do I create an API token`, a goal like `automate deployments from our CI pipeline` lets GitBook tailor the answer to that use case.

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.