In previous versions of Power BI Desktop it was possible to add language specific captions and descriptions for tables and fields using the "cultures" part of the tabular model (e.g. the tmsl in the DataModelSchema file in templates (pbit)).
With the March update, these translations are no longer used in the Fields pane, and the raw names are shown instead. By not having friendly names in the model it becomes difficult and confusing for users to navigate it.
I hope either the March release has introduced another alternative for assigning friendly captions, or the translation feature will be reintroduced in the next release.