DOC: Update changelog

CHANGELOG.md

@@ -8,8 +8,23 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added ###
 
+* `BUILD_EDIT_MODE_LAZY_DROPDOWN_LOADING` build variable that
+  determines whether reference dropdowns in the edit mode are filled
+  automatically or only after manually clicking on "edit this
+  property". Default is `ENABLED`, i.e., don't load the dropdown
+  automatically.
+* `caosdb-v-property-not-yet-lazy-loaded` class for reference
+  properties in the edit mode, the reference dropdown menu of which
+  hasn't been initialized yet.
+
 ### Changed ###
 
+* [#262](https://gitlab.com/linkahead/linkahead-webui/-/issues/262)
+  Reference dropdowns in the edit mode don't load automatically by
+  default anymore but have to be initialized manually and per property
+  by default. Set `BUILD_EDIT_MODE_LAZY_DROPDOWN_LOADING=DISABLED` to
+  restore the previous behavior.
+
 ### Deprecated ###
 
 ### Removed ###