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Document breaking change in password rehashing if custom password field #9901

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Sep 19, 2024
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Document breaking change in password rehashing if custom password field #9901

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Document breaking change in password rehashing if custom password field
sgilberg Sep 17, 2024
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Update upgrade.md
taylorotwell Sep 19, 2024
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10 changes: 8 additions & 2 deletions upgrade.md
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Expand Up @@ -126,9 +126,15 @@ However, we do **not recommend** that Laravel 10 applications upgrading to Larav
<a name="password-rehashing"></a>
#### Password Rehashing

Laravel 11 will automatically rehash your user's passwords during authentication if your hashing algorithm's "work factor" has been updated since the password was last hashed.
**Likelihood Of Impact: Low**

Laravel 11 will automatically rehash your user's passwords during authentication if your hashing algorithm's "work factor" has been updated since the password was last hashed.

Typically, this should not disrupt your application; however, if your `User` model's "password" field has a name other than `password`, you should specify the field's name via the model's `authPasswordName` property:

protected $authPasswordName = 'custom_password_field';

Typically, this should not disrupt your application; however, you may disable this behavior by adding the `rehash_on_login` option to your application's `config/hashing.php` configuration file:
Alternatively, you may disable password rehashing by adding the `rehash_on_login` option to your application's `config/hashing.php` configuration file:

'rehash_on_login' => false,

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