my photoshop extension not show in css verion only showing in photoshop cc lates verion

my photoshop extension not show in css verion only showing in photoshop cc lates verion how to access to css version . please solve my problum

<?xml version="1.0" encoding="UTF-8"?>
<ExtensionManifest Version="4.0" ExtensionBundleId="chohan" ExtensionBundleVersion="1.0.0"
ExtensionBundleName="Chohan" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<ExtensionList>
<Extension Id="chohan" Version="1.0" />
</ExtensionList>
<ExecutionEnvironment>
<HostList>
<!-- Uncomment Host tags according to the apps you want your panel to support -->
<!-- Photoshop -->
<Host Name="PHXS" Version="[14.0,2200.0]" />
<Host Name="PHSP" Version="[14.0,2200.0]" />
<!-- Illustrator -->
<!-- <Host Name="ILST" Version="[17.0,2100.0]" /> -->
<!-- InDesign -->
<!-- <Host Name="IDSN" Version="[9.1,2100.0]" /> -->
<!-- Premiere -->
<!-- <Host Name="PPRO" Version="[7.0,2100.0]" /> -->
<!-- AfterEffects -->
<!-- <Host Name="AEFT" Version="[13.0,2100.0]" /> -->
<!-- PRELUDE -->
<!-- <Host Name="PRLD" Version="[2.0,2100.0]" /> -->
<!-- FLASH Pro -->
<!-- <Host Name="FLPR" Version="[13.1,2100.0]" /> -->

</HostList>
<LocaleList>
<Locale Code="All" />
</LocaleList>
<RequiredRuntimeList>
<RequiredRuntime Name="CSXS" Version="6.0" />
</RequiredRuntimeList>
</ExecutionEnvironment>
<DispatchInfoList>
<Extension Id="chohan">
<DispatchInfo >
<Resources>
<MainPath>./index.html</MainPath>
<ScriptPath>./jsx/script.jsx</ScriptPath>
</Resources>
<Lifecycle>
<AutoVisible></AutoVisible>
</Lifecycle>
<UI>
<Type>Panel</Type>
<!-- 6) -->
<Menu>My New Panel</Menu>
<Geometry>
<Size>
<!-- 7) -->
<Height>900</Height>
<Width>350</Width>
</Size>
</Geometry>
<Icons>
<Icon Type="Normal">./darkLogo.png</Icon>
<Icon Type="RollOver">./darkLogo.png</Icon>
<Icon Type="Disabled">./darkLogo.png</Icon>
<Icon Type="DarkNormal">./lightLogo.png</Icon>
<Icon Type="DarkRollOver">./lightLogo.png</Icon>
</Icons>
</UI>
</DispatchInfo>
</Extension>
</DispatchInfoList>
</ExtensionManifest>