The "Incl. ALL" designation typically suggests the inclusion of the base game and all DLCs available up to that release date. Patch 1.34 - Europa Universalis 4 Wiki
This specific version of (v1.34.4.0) is a maintenance update for the "Sweden" patch (1.34), released around October 2022. It primarily addresses bugs and balance issues introduced with the Lions of the North immersion pack. Key Content in v1.34.4 File: Europa.Universalis.IV.v1.34.4.0.Incl.ALL....