Tunisia reinstated a limited diplomatic mission to Syria in 2017, in part to help track more than 3,000 Tunisian militants fighting in Syria.
Prince Faisal bin Farhan Al Saud said that isolating Syria was not working and that dialog with Damascus was needed.
Legal representatives for the Iraqi, Jordanian, Palestinian, Libyan, Egyptian, and Emirati houses of representatives traveled to Syria to meet with Assad.
Syria's Assad is making outreach to Turkey via Moscow now that it knows China and Moscow can't help to rebuild Syria fast enough.
Assad's decision to approve wider aid access for UN convoys into the northwest from Turkey marked a shift from his long-standing opposition to cross-border aid flows into the area.
A weekly selection of opinions and analyses from the Arab media around the world.
The northwest, one of the region's most badly affected by the earthquake that hit Syria and Turkey, is controlled by insurgents.