### JunosE 12.3.0 Release Notes

> ### Errata

> This section identifies errors found in the JunosE documentation. These errors are corrected in subsequent releases of the affected documentation.

> - The Early Field Trial Features section of the 12.3.0 Release Notes available with the JunosE Software image bundle erroneously reported that support for learning the partition ID from an access node was available in JunosE Release 12.3.0 for field trial purposes.

> In fact, this feature was available in JunosE Release 11.0.0 for field trial purposes.

> - The following JunosE documentation set has been updated to include information regarding air filter maintenance:
> - ERX Hardware Guide—Maintaining an Air Filter section in Chapter 8, Maintaining ERX Routers
> - E120 and E320 Hardware Guide—Maintaining an Air Filter section in Chapter 8, Maintaining the Router

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