Lacerte has now released the 1.0.0.434 version of the SDK.

It installs, as before, with no confirmation.

In Control Panel => Programs and Features this displays as Lacerte SDK V1.0.343.0.  What's in a "0" anyhow....

I have tested that the SDK does now pull data from the INDIVIDUAL and PARTNERSHIP tax types, and the missing folder, noted above, and mappings.xml file is now also present.