> For the complete documentation index, see [llms.txt](https://platform.intelie.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://platform.intelie.com/release-notes/live-3/3.21.0.md).

# 3.21.0

This version is not available for instalation due to an internal problem on the build process. Please install 3.21.1 instead.

### New features

* Integrate @intelie/ui Switch component

### Fixes and improvements

* Fixed an error at subscription service when subscribing to a channel that was closed
* Fixed concurrency problems