> For the complete documentation index, see [llms.txt](https://docs.thousandeyes.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.thousandeyes.com/archived-release-notes/2021.md).

# 2021

- [Release Notes: December 2021](https://docs.thousandeyes.com/archived-release-notes/2021/2021-12-release-notes.md)
- [Release Notes: November 2021](https://docs.thousandeyes.com/archived-release-notes/2021/2021-11-release-notes.md)
- [Release Notes: October 2021](https://docs.thousandeyes.com/archived-release-notes/2021/2021-10-release-notes.md)
- [Release Notes: September 2021](https://docs.thousandeyes.com/archived-release-notes/2021/2021-09-release-notes.md)
- [Release Notes: August 2021](https://docs.thousandeyes.com/archived-release-notes/2021/2021-08-release-notes.md)
- [Release Notes: July 2021](https://docs.thousandeyes.com/archived-release-notes/2021/2021-07-release-notes.md)
- [Release Notes: June 2021](https://docs.thousandeyes.com/archived-release-notes/2021/2021-06-release-notes.md)
- [Release Notes: May 2021](https://docs.thousandeyes.com/archived-release-notes/2021/2021-05-release-notes.md)
- [Release Notes: April 2021](https://docs.thousandeyes.com/archived-release-notes/2021/2021-04-release-notes.md)
- [Release Notes: March 2021](https://docs.thousandeyes.com/archived-release-notes/2021/2021-03-release-notes.md)
- [Release Notes: February 2021](https://docs.thousandeyes.com/archived-release-notes/2021/2021-02-release-notes.md)
- [Release Notes: January 2021](https://docs.thousandeyes.com/archived-release-notes/2021/2021-01-release-notes.md)