January 10th 2019: Device OS v1.0.0
A new Default Release Device OS v1.0.0 is available now on https://build.particle.io for (Core/Photon/P1/Electron).
Check out our blog post all about it here: Announcing Device OS 1.0 and Release Guidelines for Product Creators
Finally, be sure to read the full collection of release notes Particle Device OS Updates Thread.