Update: Bungie has since resolved the issue of Xur not displaying an exotic weapon for sale. We now are able to also pick up the Suros Regime
The issue involving Xûr not selling a weapon has been resolved. Players can now acquire SUROS Regime for Legendary Shards.
— Bungie Help (@BungieHelp) May 31, 2019
Original article is as followed:
Guardians looking for Xur this weekend will need to search no further as we have you covered. This week your favorite noodle-faced, exotic salesman can be found at the Tower. His inventory includes Wings of Sacred Dawn, Aeon Safe and Frost-EE5.
As of now there is no weapon in the options. Bungie has responded to this but no time frame if there will be a fix this.