> For the complete documentation index, see [llms.txt](https://chainide.gitbook.io/chainide-english-1/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://chainide.gitbook.io/chainide-english-1/chainide-updates/v-2.1.9-03-15-2023.md).

# V 2.1.9 (03-15-2023)

## Features

* Performance Optimization: We have optimized the underlying services and file system of ChainIDE, resulting in a substantial improvement in overall performance.
* Enhanced Visuals: The plug-in system's visual effects have been thoroughly optimized, providing a smoother and more appealing user experience.

## Fixed Issues

* Addressed a bug that caused incomplete contract updates on Flow.
* Resolved an issue where certain file icons were displaying abnormally.
* Text and hint optimizations.