Adapted from the canonical English UIX documentation by Lint-Free-Technology/uix, CC BY 4.0. Source:
dev/ 9.0.0-beta.2, revision 26e54e6, reviewed 22 October 2026. This source mirror may describe preview behavior beyond stable 8.4.0. Markup adapted for this site; the original documentation remains authoritative.
Developers ​
If you are a developer of custom card or theme or integration, check out the links to developer information below.