There are no new items you can gain from quick ventures with the release of Shadowbringers. The ones for Stormblood weren't added until the 4.1 patch. Expect a 5.1 release as well.

If the problem is not getting Stormblood loot table from 71+ quick ventures. Post loots you have gotten and I can probably tell you if they were added with Stormblood or not.