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13.3.3. Compatible-Versions
The
Compatible-Versions element is a list of previous cartridge versions that are compatible with the current cartridge version.
Example 13.3. Compatible-Versions Entry
Compatible-Versions: ['1.0.1']
To be compatible with a previous version, the code changes in the current cartridge version must not require a restart of the cartridge or of an application using the cartridge.
If the previous cartridge version is not in the
Compatible-Versions list when you update the cartridge to a new version, OpenShift Enterprise stops the cartridge, installs the new code, runs setup, and restarts the cartridge. This process results in a short amount of downtime for applications that use the cartridge.

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