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WSO2 in-place updatesWSO2 update manager (WUM)
You can install the in-place updates tool via a WUM update for all the WUM-supported products.You can download and install the WUM tool from

The tool merges the updated configuration files unless there are conflicts.

You should manually merge the updated configuration files or use a tool like Puppet.
The tool handles backup and restore.You should store backups with the custom configurations in your system, in case you have to restore later.
Supported on only Unix-based (e.g., Linux, OS X) operating systems.Supported on all operating systems.

A subscription is mandatory to get WSO2 updates. A subscription can be one of the following types: