> For the complete documentation index, see [llms.txt](https://help.smallbuilder.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.smallbuilder.com/important-notice.md).

# Important Notice

Key information you should review before using SmallBuilder products.

### [ECA Transition Required (2026.05.13)](/important-notice/eca-transition.md)

Due to a Salesforce policy change, Connected Apps are being replaced by External Client Apps (ECA). If you are on an older version, metadata-related operations in the builder may not work as expected. Please upgrade and then configure the ECA settings.