# Installation Guides
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There have been several new configuration options added to our D3 emulation.
If you are running with a variant of our D3 emulation (or any custom emulation based on a standard one), then the best way forward would be to change your emulation settings to something similar to, for example, the following:
jbased3: dup = d3 named_common = unassigned md_int_only = true md_int_only_emulate_jbase3 = true
In this example, the dup = d3 entry will inherit all configuration options in the d3 section.
If the d3 section contains any dup entries then they will also be inherited, and so on.
All other configuration settings below the dup line are either new or will override the inherited setting.
This will ensure that you continue to make use of any changes made to the standard D3 emulation.
The modifications you employ may be different that those above.
Use the config-strings command to review your configuration.