tipsy is documented on https://www.mediawiki.org/wiki/ResourceLoader/Modules , and there is no mention for it being deprecated, let alone any suggestion of alternative means to get tipsy's functionality.
( just to clarify: numerous tools on many wikis actually _use_ tipsy, so deprecating it with no valid alternative should be considered verboten ).
however, when calling
the following message appears in the console:
This page is using the deprecated ResourceLoader module "jquery.tipsy".
this is not nice.