This is said to come as part of efforts by several Arab sides to mediate between Riyadh and Tehran on a number of files, including particularly the war in Yemen.
However, there is talk that the Yemeni Houthi rebels have rejected the Saudi-Iranian negotiations. This comes in light of increased Houthi attacks on Saudi facilities, most recently (15/4/21) against a Saudi Aramco facility in Jazan.
Tactical Report has prepared a 485-word report to shed more light on this subject.
[Partly reproduced in TR Weekly 28/17 – April 23, 2021]