duplicati/Installer/AssemblyRedirects.xml

<configuration>
    <runtime>
        <loadFromRemoteSources enabled="true"/>

        <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">

            <!-- Support for loading older backends with the current executable version -->
            <dependentAssembly>
                <assemblyIdentity name="Duplicati.Library.Utility" publicKeyToken="8bfe994a39631a7b" />
                <bindingRedirect oldVersion="0.0.0.0 - 99.9.9.9" newVersion="2.0.0.7" />
            </dependentAssembly>

            <!-- Support for loading older backends with the current executable version -->
            <dependentAssembly>
                <assemblyIdentity name="Duplicati.Library.Interface" publicKeyToken="8bfe994a39631a7b" />
                <bindingRedirect oldVersion="0.0.0.0 - 99.9.9.9" newVersion="2.0.0.7" />
            </dependentAssembly>

            <!-- Support for backends that wants older versions of NewtonSoft.Json -->
            <!-- The spaces near the equation sign are used to prevent the version being set to the current build by the VersionStamp tool -->
            <dependentAssembly>
                <assemblyIdentity name="Newtonsoft.Json" publicKeyToken="30ad4fe6b2a6aeed" culture="neutral" />
                <bindingRedirect oldVersion="0.0.0.0 - 99.9.9.9" newVersion = "10.0.0.0"/>
            </dependentAssembly>

        </assemblyBinding>
    </runtime>

    <startup useLegacyV2RuntimeActivationPolicy="true">
        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5"/>
    </startup>
</configuration>