> For the complete documentation index, see [llms.txt](https://docs.buildingtransparency.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.buildingtransparency.org/ec3/release-notes/archive.md).

# Archive

Release notes more than 12 months old, organized by year.

* [2025](/ec3/release-notes/archive/2025.md) - releases 171.2.0 to 171.2.2 (September 2025)
* [2024](/ec3/release-notes/archive/2024.md) - release 148 (January 2024) and the April, May and June 2024 updates
* [2023](/ec3/release-notes/archive/2023.md) - releases from July to December 2023

For the latest releases, see [Last 12 months](/ec3/release-notes/last-12-months.md).