Lean v2.3.0.2 Release Notes
Release Date: 2017-02-28 // about 7 years ago-
๐ The key update from this release was a re-write of the bottom of the LEAN enumerator stack to abstract the fetching and caching of data. This is now plugin powered. This allows easily sourcing data from different locations and intelligently caching the streams in memory.
๐ There were also numerous bug fixes, stability enhancements and changes to make backtesting and live trading more consistent. For full release notes see: https://www.quantconnect.com/blog/release-notes-v2-3-0-2