The Spanish condition fulfilled

Since Spain does not recognize the so-called Kosovo, there will be no symbols of the so-called Kosovo on the Summit.
As it was announced, Sanchez will travel to Ljubljana for a meeting of European Union leaders ahead of the summit to be held with representatives of the Western Balkans.

Protesters and Police Maintain Uneasy Stand-off at Kosovo Border

The special force's officers who have just ended their shift experienced a calm but cold night in the valley since they took over the night before. But heavy rain made their three-kilometre walk past a series of roadblocks set up by protesting Kosovo Serbs more difficult. As they approached the blockades, the protesters silently made way for them to pass.

Petković and Bislimi at the negotiating table in Brussels

EU High Representative for Foreign Affairs Josep Borrell said earlier that a meeting of chief negotiators would be the first positive step in calming tensions.
He called on Belgrade and Pristina to unconditionally de-escalate the situation in the north of Kosovo and Metohija by urgently withdrawing special police units and removing roadblocks.