Hi,
this announcement should be only relevant to people who use a copy of the git repository of Wikibase. Changes discussed below should be transparent to other users of Wikibase.
As of yesterday (namely having merged 8f694176c839e98909e7695f6b86b6cff05c372c) JavaScript libraries used in Wikibase front-end have been integrated into Wikibase git repository as submodules located under view/lib directory. They are no longer installed as Composer dependencies of Wikibase.
When updating Wikibase, you might need to run some commands to update submodules (e.g. to fetch updated files of a particular library). The commands to be run are: git submodule init git submodule update
or simply: git submodule update --init
Should you have any questions regarding this change, or encounter problems after recent update, especially in the UI-related code, please reach out to the development team at WMDE.
Best regards, Leszek Manicki