Changelog

A running log of notable additions and changes to this repository. Newest entries first.

2026-09-29

Added

• New explainer: Fabric Spark compute and concurrency \u2014 covers starter/custom/custom live pools, the live-pool idle-timeout/reactivation lifecycle and schedule requirement, autoscale vs. dynamic executor allocation (and forcing max node/executor counts), and how cluster size and high concurrency sessions interact with shared Spark VCore capacity, bursting, and throttling.

2026-05-21

Added

• Initial release of five explainer diagrams (Fabric Costs, Fabric Dev Cycle, Fabric Governance and Security, Fabric Overview, Power BI Dev Cycle)
• Top-level README.md with diagram index and previews.