Elemental Chat continues to work well with sharding enabled after two weeks of testing with approximately 1,000 people trying it out. We're also evaluating Chess, the next hApp we'd like to publish concurrently to the Holo network that is running Elemental Chat. We'll share more about Chess when and if we believe the app is ready to publish.
Again, the larger Longitiudinal hApps milestone is about demonstrating P2P Holochain apps working on the Holo infrastructure for weeks at a time. The Holo community is hosting Elemental Chat on are 300 HoloPorts around the world.