The article establishes the relationship between the interests of the Ukrainian establishment and the foreign policy vector of Kyiv. The author identified the main actors who determined the specifics of the transformation of the strategic course of Ukraine. On the one hand, the author revealed the critical problems of European integration and on the other hand, the improvement/ degradation of relations with the Russian Federation. The author evaluated the strategic doctrines used by the Ukrainian elite and analysed main changes in the approaches of the Ukrainian establishment. This article considers the reaction of Russian and Ukrainian political elites to the correction of the foreign policy imperatives of the Russian Federation and Ukraine, respectively. Also, the author, using the theory of the “heavy” and “light” fractions of Ukrainian political elites as an example, identifies specific features of the correlation between the replacement/renewal of key elite groups and the adaptation of the strategic vector, including a qualitative rethinking of the approaches inherent in the replaced establishment. On the other hand, the author compared between the declared positions/slogans and specific doctrines/concepts, initiated, for example, by individual actors of the political elite. The author analyses the main reasons for the soft dismantling of the so-called multi-vector diplomacy in favour of the Euro-Atlantic course. Also, in the article, concerning the realities of Ukraine, the influence of the political model of “shapeless pluralism” of hybrid regimes on the transformation of the foreign policy’ agenda.