Add to changelog

Author: cderv

news/changelog-1.7.md

@@ -36,6 +36,7 @@ All changes included in 1.7:
 ## `pdf` format
 
 - ([#11835](https://github.com/quarto-dev/quarto-cli/issues/11835)): Take markdown structure into account when detecting minimum heading level.
+- ([#11903](https://github.com/quarto-dev/quarto-cli/issues/11903)): `crossref` configuration like `fig-title` or `tbl-title` now correctly supports multi word values, e.g. `fig-title: 'Supplementary Figure'`.
 
 ## `typst` format